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Corporate He adquarters Cisc o Syst ems , Inc . 170 West Ta sman Drive San Jos e, CA 95 134-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553- NETS (638 7) Fax: 408 526-4100 Cisco IOS XR Routing Conf iguration Guide Cisco IOS XR Softw are Release 3.
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RC -iii Cisco IO S XR Rout ing Conf iguration Gui de CONTENTS Preface xi Document Revisi on Hist ory xi Obtain ing Docu mentati on xii Cisco. com xi i Produc t Documentat ion DVD xi i Orderi ng Docume.
Cont ent s RC-iv Cisco I OS XR Rout ing Conf igurat ion Guide How to I mplem en t BGP on Cisc o IO S XR So ftwar e RC-27 Enabli ng B GP Rou ting RC-28 Config urin g a Routing Do main Confed eratio n f.
Content s RC-v Cisco IO S XR Rout ing Conf iguration Gui de Rel ated D ocu me nts RC-80 Standar ds RC-80 MIBs RC-80 RFCs RC -80 Techn ica l As sist anc e RC-81 Implem enting IS-I S on Cisco IOS XR Sof.
Cont ent s RC-vi Cisco I OS XR Rout ing Conf igurat ion Guide Custo mizin g Route s for IS-I S RC-119 Config uratio n Exampl es for Impl ementing IS-IS on Cisco IOS XR So ftware RC-122 Config urin g S.
Content s RC -vii Cisco IO S XR Rout ing Conf iguration Gui de Enabli ng OS PF RC-145 Config urin g Stub and Not- so-St ubby Area T ypes RC-147 Config urin g Neighbor s for Nonbro adcas t Networ ks RC.
Cont ent s RC -v iii Cisco I OS XR Rout ing Conf igurat ion Guide RIB Suppo rt for IP v4 and IP v6 RC-197 How to Deploy and Monitor RI B RC -19 8 Verif ying RIB Con figurat ion Usin g the Routi ng Tab.
Content s RC-ix Cisco IO S XR Rout ing Conf iguration Gui de Simple I nbound Pol icy: Exa mple RC-242 Modular Inbound Pol icy: Exampl e RC-243 Transl ating Ci sco IOS Ro ute Maps to Ci sco IOS XR Rout.
Cont ent s RC-x Cisco I OS XR Rout ing Conf igurat ion Guide.
xi Cisco IOS XR Routing Configuration Guide Preface This is the preface f or the Cisco IOS X R Rout ing Co nfigur ation G uide . The p refa ce con tains t he fol lo wing s ections: • Document Revisi.
Preface Obtain ing Do cument ation xii Cisco IO S XR Ro uting C onfigur ation Gui de Obtaining Documentation Cisco d ocumenta tion and a ddition al lite rature are av ailable on Cisc o.co m. Cisco also provides s ev eral ways to obtain tec hnical assi stance an d other tec hnical re sources.
Preface Documen tation Fee dback xiii Cisco IOS XR Routing Configuration Guide Documentatio n Feedback Y o u can rat e and pro vide fe edback about Ci sco techni cal documen ts b y completin g the online feedbac k form that appears with the te chnical d ocuments on Cisc o.
Preface Obtain ing Techni cal Ass istance xiv Cisco IO S XR Ro uting C onfigur ation Gui de Ti p W e encourag e you to use Pretty Good Pri vac y (PGP) or a compatible product to encrypt a ny sensiti ve information that you send to Cisco. PSIR T can work from encr ypted information that is co mpatible with PGP versions 2.
Preface Obtaining Additional Publications and Information xv Cisco IOS XR Routing Configuration Guide Submitting a Se rvice Request Using the online T A C Service Request T ool is the fastest wa y to op en S3 and S4 service requests.
Preface Obtainin g Addi tional Pub lications and Informat ion xvi Cisco IO S XR Ro uting C onfigur ation Gui de • Cisco Pre ss publishes a wide range o f general networkin g, training and cer tifi cation titles. Bot h new and e xperienced user s will benef it from these public ations.
RC-1 Cisco IOS XR Routing Configuration Guide Implementing BGP on Cisco IOS XR Software The Border G ate way Pr otocol (BG P) is an Ex terior Ga tew ay Pr otocol (EGP) that a llo ws you to c reate loop-fr ee inter domain ro uting betwe en auton omous syste ms.
Impl ementing BGP on Cisco I OS XR Soft ware Prerequisit es for Impleme nting BGP on Cisco IOS XR Sof tware RC-2 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisites for Implementin g BGP on Cisco IOS XR Software T o use this co mmand , you must be in a user gr oup asso ciated with a task g roup tha t include s the pro per task IDs.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-3 Cisco IOS XR Routing Configuration Guide BGP Router Identifier For BGP sessions betwee n neighbo rs to be establi shed, BGP mus t be assigned a router ID.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-4 Cisco IO S XR Ro uting C onfigur ation Gui de – 512K (524, 288) pre fixes for IPv4 unicast . – 128K (131, 072) pre fixes for IPv4 multic ast.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-5 Cisco IOS XR Routing Configuration Guide Router Conf iguratio n Mode The following exam ple.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-6 Cisco IO S XR Ro uting C onfigur ation Gui de Router(config-bgp-nbr)# remote-as 1 Rout.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-7 Cisco IOS XR Routing Configuration Guide • Command s entere d at the sessio n group level defi ne addr ess family-i ndepend ent comm ands (the same com mands as in the neighb or submod e).
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-8 Cisco IO S XR Ro uting C onfigur ation Gui de Update group: 0.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-9 Cisco IOS XR Routing Configuration Guide RP/0/RP0/CPU0:router(config)# router bgp 150 RP/0/.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-10 Cisco IO S XR Ro uting C onfigur ation Gui de RP/0/RP0/CPU0:router# show bgp neighbors 192.168.2.2 BGP neighbor is 192.168.2.2, remote AS 1, local AS 140, external link Remote router ID 0.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-11 Cisco IOS XR Routing Configuration Guide Last reset 00:00:25, due to BGP neighbor initialized External BGP neighbor not directly connected.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-12 Cisco IO S XR Ro uting C onfigur ation Gui de The follo wing ex amp le dis plays s ampl e output from the show bgp neighbors comm and using the inheritance ke yword.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-13 Cisco IOS XR Routing Configuration Guide The follo wing ex amp le dis plays s ampl e output from the show bgp af-group comma nd using the conf iguration keyword.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-14 Cisco IO S XR Ro uting C onfigur ation Gui de RP/0/RP0/CPU0:router# show bgp session-.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-15 Cisco IOS XR Routing Configuration Guide The follo wing is sample output from the show bgp neighbor -group co mmand with th e configuration keyword.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-16 Cisco IO S XR Ro uting C onfigur ation Gui de Routing Policy Enforcement Extern al BGP ( eBGP) ne ighbor s must have an inboun d and outboun d pol icy configured .
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-17 Cisco IOS XR Routing Configuration Guide BGP scan interval 60 secs BGP is operating in STANDALONE mode.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-18 Cisco IO S XR Ro uting C onfigur ation Gui de Table Polic y The table polic y feature in BGP allo ws y ou to conf igure traf fic inde x valu es on routes as they are installed in the glob al routing table.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-19 Cisco IOS XR Routing Configuration Guide The BGP be st path alg orithm impl ementation is in th ree parts: • Part 1—Compares tw o pa ths to det ermine which is bett er .
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-20 Cisco IO S XR Ro uting C onfigur ation Gui de If the bg p bestpath med always co mmand is config ured, th en t he M ED co mp aris on is alway s perform ed, regardl ess of neighbor A S in the pat hs.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-21 Cisco IOS XR Routing Configuration Guide 2. The best path in each gro up is determined. D etermini ng the best path i s achie ved by i terating throu gh all paths in the group an d keeping trac k of the best one seen so far .
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-22 Cisco IO S XR Ro uting C onfigur ation Gui de Multipro tocol BGP is usefu l when you want a li nk dedicat ed to multica st traf f ic, perhaps to limit wh ich resources are used for which traffic.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-23 Cisco IOS XR Routing Configuration Guide A multicast routing p rotocol, such as PIM, uses the m ulticast BGP database t o perform Re verse P ath For warding ( RPF) lookups for multicast-cap able sources.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-24 Cisco IO S XR Ro uting C onfigur ation Gui de Note No penalty is applied to a BGP peer reset when route dampe ning is enabled.
Impleme nting BGP on Ci sco IOS XR Software Information About Implementing BGP on Cisco IOS XR Software RC-25 Cisco IOS XR Routing Configuration Guide Figur e 3 Thr ee Fully Mes hed iBGP Speak ers W ith rout e ref lectors, all i BGP sp eakers need not be fully mesh ed bec ause there i s a method to pa ss learned route s to neighbors.
Impl ementing BGP on Cisco I OS XR Soft ware Informatio n About Imp lementin g BGP on Cisco IOS XR Sof tware RC-26 Cisco IO S XR Ro uting C onfigur ation Gui de Figur e 5 Mor e Complex BG P Route Reflect or Model Figure 5 illustrates a more complex route reflector sch eme.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-27 Cisco IOS XR Routing Configuration Guide clus ter ID so that a rout e refle ctor can recog niz e updat es from route refl ectors in th e same cluste r .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-28 Cisco IO S XR Ro uting C onfigur ation Gui de • T uni ng the BGP Be st Path Calcu lation , page RC.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-29 Cisco IOS XR Routing Configuration Guide Restrictions If the neigh bor is configure d as an external B GP (eBGP) peer, you must configure an in bound an d outbound route policy on the ne ighbor using the route-poli cy command.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-30 Cisco IO S XR Ro uting C onfigur ation Gui de Step 3 end-policy Example : RP/0/RP0/CPU0:router(config-rpl)# end-policy (Opti onal) Ends t he de finition of a route pol icy and exit s route policy co nfiguration mode .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-31 Cisco IOS XR Routing Configuration Guide Configuring a Routing Doma in Confederatio n for B GP Perform this task to conf igure the routing domain confed eration for BGP .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-32 Cisco IO S XR Ro uting C onfigur ation Gui de SUMMARY ST EPS 1. conf igure 2. router bgp autono mous-syste m-number 3. bgp confederation ident if ier autonomous -system -number 4.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-33 Cisco IOS XR Routing Configuration Guide Resetting eBGP Sess ion Immediately Upon Link Failure Immediat ely res etting BGP sessi ons of any d irectly adjacen t ex ternal pe ers if the link used to reach them goes down is enable d by defau lt.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-34 Cisco IO S XR Ro uting C onfigur ation Gui de Logging Ne ighbor C hanges Logging neigh bor c hanges is ena bled by de fault. U se the log neighbor chang es disable command t o turn off logging .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-35 Cisco IOS XR Routing Configuration Guide Changing the BGP De fault Local Pre ference V alue Perform this task to set the default lo cal preference v alue for BGP paths.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-36 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Configuring the MED Metric for BGP Per.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-37 Cisco IOS XR Routing Configuration Guide 4. end or commit DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-38 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring BGP Weights Perform t his task to assi gn a weight to route s received from a neighb or .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-39 Cisco IOS XR Routing Configuration Guide Tuning the BGP Best P ath Calculatio n Perform this task to change the default BGP best path calculat ion behavio r .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-40 Cisco IO S XR Ro uting C onfigur ation Gui de 8. end or commit DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-41 Cisco IOS XR Routing Configuration Guide Indicating BGP Backdoor R outes Per fo rm th is tas k to se t t.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-42 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-43 Cisco IOS XR Routing Configuration Guide Configuring Ag gregate Addresses Pe r fo r m t h i s t a sk t o create aggregate entr ies in a BGP routing table. SUMMARY ST EPS 1.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-44 Cisco IO S XR Ro uting C onfigur ation Gui de Redistributing iBGP Routes into IGP Perform th is task.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-45 Cisco IOS XR Routing Configuration Guide SUMMARY ST EPS 1.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-46 Cisco IO S XR Ro uting C onfigur ation Gui de Redistributing Prefixes into Multiprotocol BGP Perform this task to redistrib ute pref ixes from a nother protoco l into m ultiprotocol BGP .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-47 Cisco IOS XR Routing Configuration Guide Step 4 redistribute connected [ metric metric-value ] [ route-p.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-48 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring BG P Route Dampening Perform this task to conf igure and monitor BGP route dampening. SUMMARY ST EPS 1.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-49 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-50 Cisco IO S XR Ro uting C onfigur ation Gui de Step 6 show bgp [ ipv4 { unicast | multicast | all } |.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-51 Cisco IOS XR Routing Configuration Guide Step 12 clear bgp { ipv4 { unicast | multicast | all } | ipv6 {.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-52 Cisco IO S XR Ro uting C onfigur ation Gui de Applying Policy When Updating th e Routi ng Table Pe r f o rm t h is t a sk t o apply a routin g policy to routes being inst alled into the routing table.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-53 Cisco IOS XR Routing Configuration Guide Setting BG P Administrativ e Distance Perform this task to specify the use of administrati ve distan ces that can be used to prefer one class of route over anot her .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-54 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-55 Cisco IOS XR Routing Configuration Guide Configuring a BGP Neighbor Group Perform t his task to con figure BGP neighb or groups and ap ply the ne ighbor gro up configurati on to a neighbor.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-56 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-57 Cisco IOS XR Routing Configuration Guide Step 10 password { clear | encrypted } password Example : RP/0/.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-58 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring a BGP Neighbor Perform this task to conf igure BGP neighbors. SUMMARY ST EPS 1. conf igure 2.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-59 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-60 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring a Route Reflector for BGP Perform this task to conf igure a route reflector for BGP .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-61 Cisco IOS XR Routing Configuration Guide Step 4 neighbor ip-address Example : RP/0/RP0/CPU0:router(config-bgp)# neighbor 172.168.40.24 Places the ro uter in neighbor c onfiguration mode for BGP routing and configures the n eighbor IP address 172.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-62 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring BGP Route F iltering by Route P olicy Perform th is task to conf igure BGP r outing f iltering by ro ute polic y .
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-63 Cisco IOS XR Routing Configuration Guide Step 4 router bgp autonomous-system-number Example : RP/0/RP0/CPU0:router(config)# router bgp 120 Enters BGP configuratio n mode allowing you to conf ig u re the BGP routing process.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-64 Cisco IO S XR Ro uting C onfigur ation Gui de Disabling Nex t Hop Proc essing on BGP Upda tes Perform this t ask to disable next hop calcul ation f or a ne ighbor and insert y our own ad dress in the next hop field of BGP upda tes.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-65 Cisco IOS XR Routing Configuration Guide Configuring BGP Comm unity and Exte nded-Community Filtering Perform this task to specify that comm unity attrib utes should be sent to an eBGP neighbor .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-66 Cisco IO S XR Ro uting C onfigur ation Gui de SUMMARY ST EPS 1. conf igure 2. router bgp autono mous-syste m-number 3. neighbor ip-address 4. remote-as a utonomo us-syste m-numb er 5.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-67 Cisco IOS XR Routing Configuration Guide Configuring Software to Stor e Up dates from a Neighb or Pe r fo r m t h is t a s k t o configure th e software to store updates recei ved from a neighbo r .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-68 Cisco IO S XR Ro uting C onfigur ation Gui de 4. address-family { ipv4 unicast | ip v4 mult ic as t | ipv6 unicast | ipv6 multicast } 5. soft-reconf ig uration inbound alway s 6.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-69 Cisco IOS XR Routing Configuration Guide Disabling a B GP Neighb or Perform t his task to adm inistratively shut down a neighbor w ithout removing the configurat ion.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-70 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-71 Cisco IOS XR Routing Configuration Guide Resetting Neighbors Using BGP Dynamic Inbound Soft Reset Perform this task to tr igg er an in bou nd so ft re set of th e specif ied address fa milies for the specified gro up or neighbo rs.
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-72 Cisco IO S XR Ro uting C onfigur ation Gui de SUMMARY ST EPS 1.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-73 Cisco IOS XR Routing Configuration Guide Clearing Cac hes, Ta bles and D atabas es Perform th is task to r emov e all c ontents of a particula r cache , table, o r database .
Impl ementing BGP on Cisco I OS XR Soft ware How to Implemen t BGP on Cisc o IOS XR Softwa re RC-74 Cisco IO S XR Ro uting C onfigur ation Gui de 8. show bgp neighbor -group gr oup-nam e configuration 9.
Impleme nting BGP on Ci sco IOS XR Software How to Implement BGP on Cisco IOS XR Software RC-75 Cisco IOS XR Routing Configuration Guide Monitor ing BGP Upda te Groups This task displays infor mation related to the processing of BGP update group s. SUMMARY ST EPS 1.
Impl ementing BGP on Cisco I OS XR Soft ware Configurati on Examp les for Implem enting BGP on Cisco IOS XR Softwa re RC-76 Cisco IO S XR Ro uting C onfigur ation Gui de Configuration Examples for Imp.
Impleme nting BGP on Ci sco IOS XR Software Configuration Examples for Implementing BGP on Cisco IOS XR Software RC-77 Cisco IOS XR Routing Configuration Guide address-family ipv4 multicast aggregate-address 10.2.0.0/24 route-policy set_next_hop_agg_v4 aggregate-address 10.
Impl ementing BGP on Cisco I OS XR Soft ware Configurati on Examp les for Implem enting BGP on Cisco IOS XR Softwa re RC-78 Cisco IO S XR Ro uting C onfigur ation Gui de BGP Neighbo r Configuration: E xample The fo llowing exam ple sh ows how BGP neighbo rs on an a utonomo us system are configured to sh are inform ation.
Impleme nting BGP on Ci sco IOS XR Software Where t o Go Next RC-79 Cisco IOS XR Routing Configuration Guide neighbor 199.99.99.2 remote-as 700 In a BG P speaker in a utonomou s syst em 60 03, th e peer s from auton omous systems 6001 and 6002 are configured as sp ecial eB GP peer s.
Impl ementing BGP on Cisco I OS XR Soft ware Addition al Referenc es RC-80 Cisco IO S XR Ro uting C onfigur ation Gui de Additional Ref erences The fo llowing section s provid e refere nces rel ated to im pleme nting BGP for Cisco I OS XR so ftware .
Impleme nting BGP on Ci sco IOS XR Software Additional References RC-81 Cisco IOS XR Routing Configuration Guide Technica l Assista nce RFC 3 065 Autonomous S ystem Confed erations f or BGP RFC 3 392 .
Impl ementing BGP on Cisco I OS XR Soft ware Addition al Referenc es RC-82 Cisco IO S XR Ro uting C onfigur ation Gui de.
RC-83 Cisco IOS XR Routing Configuration Guide Implementing IS-IS on Cisco IOS XR Software Integrate d Inter media te Sys tem-to-I nterme diat e System (IS-I S), Int ernet Protoc ol V ersio n 4 (IPv 4), is a standa rds-based Inter ior G ateway Protocol ( IGP).
Implementing IS-IS on Cisco IOS XR Software Prerequisit es for Impleme nting IS-IS on Ci sco IOS XR Softw are RC-84 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisites for Implementing IS-IS o.
Implement ing IS-IS on Cisc o IOS XR Software Information About Implementing IS-IS on Cisco IOS XR Software RC-85 Cisco IOS XR Routing Configuration Guide IS-IS Functional Overview Small IS-IS netw orks are typically b uilt as a singl e area that inclu des all routers in th e network.
Implementing IS-IS on Cisco IOS XR Software Informatio n About Imple menting IS- IS on Cisco IOS XR Softwar e RC-86 Cisco IO S XR Ro uting C onfigur ation Gui de IS-IS Interfaces IS-IS interfa ces can be configured as one of the fol lowing types: • acti ve —adver tises connec ted pref ix es and forms adjace ncies.
Implement ing IS-IS on Cisc o IOS XR Software Information About Implementing IS-IS on Cisco IOS XR Software RC-87 Cisco IOS XR Routing Configuration Guide Flood Blocking on Specific Interf aces W ith this technique, cer tain interf aces are b locked from being used for flooding LSPs, b ut the rema ining interfaces op erate norma lly for fl ooding.
Implementing IS-IS on Cisco IOS XR Software Informatio n About Imple menting IS- IS on Cisco IOS XR Softwar e RC-88 Cisco IO S XR Ro uting C onfigur ation Gui de When singl e-to pol ogy sup port for IP v6 i s use d, only narr o w lin k metr ics, also kno wn as old- styl e type , length, and value (TL V) argument s, may be em ployed .
Implement ing IS-IS on Cisc o IOS XR Software Information About Implementing IS-IS on Cisco IOS XR Software RC-89 Cisco IOS XR Routing Configuration Guide Note If you configure IET F NSF on the Cisco .
Implementing IS-IS on Cisco IOS XR Software Informatio n About Imple menting IS- IS on Cisco IOS XR Softwar e RC-90 Cisco IO S XR Ro uting C onfigur ation Gui de Default Routes Y ou can force a de fault route into an IS-I S routing doma in.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-91 Cisco IOS XR Routing Configuration Guide How to Implement IS-IS on Cisco IOS XR Software This se cti.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-92 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-93 Cisco IOS XR Routing Configuration Guide Configuring S ingle To pology for IS-IS After an IS-IS instance is e nabled, it must be co nfig ured to co mpute route s for a specif ic netw ork topology .
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-94 Cisco IO S XR Ro uting C onfigur ation Gui de The de fault met ric style for sin gle to pology i s narrow metric s. Howev er , you c an use e ither w ide me trics or narr ow metrics.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-95 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-96 Cisco IO S XR Ro uting C onfigur ation Gui de Step 4 exit Example : RP/0/RP0/CPU0:router(config-if)# exit Exits interf ace conf iguration mode, and re turns the router to global configuratio n mode.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-97 Cisco IOS XR Routing Configuration Guide Step 11 circuit-type { level-1 | level-1-2 | level-2-only } Example : RP/0/RP0/CPU0:router(config-isis-if)# circuit-type level-1-2 (Opt ional) Configures the ty pe of adja cency .
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-98 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring Multitopology for IS-IS This task explains ho w to configure mu ltitopology IS-IS. This ta sk is op tional.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-99 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-100 Cisco IO S XR Ro uting C onfigur ation Gui de Step 4 exit Example : RP/0/RP0/CPU0:router(config-if)# exit Exits interf ace conf iguration mode, and re turns the router to global configuratio n mode.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-101 Cisco IOS XR Routing Configuration Guide Step 11 end or commit Example : RP/0/RP0/CPU0:router(config-isis-if-af)# end or RP/0/RP0/CPU0:router(config-isis-if-af)# commit Sav es configurat ion change s.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-102 Cisco IO S XR Ro uting C onfigur ation Gui de Controlling LSP Flooding for IS-IS Flooding of LSPs can li mit netw ork scal ability .
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-103 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-104 Cisco IO S XR Ro uting C onfigur ation Gui de Step 8 ignore-lsp-errors disable Example : RP/0/RP0/CPU0:router(config-isis)# ignore-lsp-errors disable (Optional) Se ts the router to pur ge LSPs rece i ved with checksu m error s.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-105 Cisco IOS XR Routing Configuration Guide Step 15 end or commit Example : RP/0/RP0/CPU0:router(config-isis-if)# end or RP/0/RP0/CPU0:router(config-isis-if)# commit Sav es configurat ion change s.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-106 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring No nstop Forw arding for IS -IS This task .
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-107 Cisco IOS XR Routing Configuration Guide Step 4 nsf interface-expires number Example : RP/0/RP0/CPU0:router(config-isis)# nsf interface-expires 1 Conf igure s the num ber of rese nds of an ackn o wle dged NSF-rest art acknowledgment .
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-108 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring Authen tication for IS-IS This task ex plains ho w to conf igure authentic ation for IS-IS. Th is task is optional.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-109 Cisco IOS XR Routing Configuration Guide Step 3 lsp-password { hmac-md5 | text } { clear | encrypte.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-110 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring MPLS Traffic Engineering for IS-IS This t ask explai ns how to configur e IS-IS for M PLS TE .
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-111 Cisco IOS XR Routing Configuration Guide Restrictions MPLS tra ff ic en gineer ing cur rently sup ports only a sing le IS -IS level and does not support r outing and signaling of LSPs over unnumb ered IP links.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-112 Cisco IO S XR Ro uting C onfigur ation Gui de Step 5 mpls traffic-eng router-id { ip-address | inter.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-113 Cisco IOS XR Routing Configuration Guide Tuning Adja cencie s for IS-IS on Point-to-Point Interface.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-114 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Purpo se Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters glob al con figuration mo de.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-115 Cisco IOS XR Routing Configuration Guide Step 8 hello-password { hmac-md5 | text } { clear | encryp.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-116 Cisco IO S XR Ro uting C onfigur ation Gui de Setting SPF Interval for a Single-To pology IPv4 and IPv6 Configuration This task e xplains ho w to make adjustments to the SPF calculation to tune router per formance.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-117 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-118 Cisco IO S XR Ro uting C onfigur ation Gui de Enabling Multicast-In tact for IS-IS This opt ional task describes ho w to enable m ulticast-inta ct for I S-IS routes t hat use IPv4 addresses.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-119 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Customizing Routes for IS-IS This task de .
Implementing IS-IS on Cisco IOS XR Software How to Implement IS-IS on Cisco IOS XR S oftware RC-120 Cisco IO S XR Ro uting C onfigur ation Gui de SUMMARY ST EPS 1. conf igure 2. router isis instance-id 3. set-ove rload -bit [ on- start up { de lay | wait-for -bgp }] [ level { 1 | 2 }] 4.
Implement ing IS-IS on Cisc o IOS XR Software How to Implement IS-IS on Cisco IOS XR Software RC-121 Cisco IOS XR Routing Configuration Guide Step 5 default-information originate [ route-map map-name .
Implementing IS-IS on Cisco IOS XR Software Configuration Example s for Implementin g IS-IS on Cisco IOS XR Sof tware RC-122 Cisco IO S XR Ro uting C onfigur ation Gui de Configuration Examples for Im.
Implement ing IS-IS on Cisc o IOS XR Software Configuration Examples for Implementing IS-IS on Cisco IOS XR Software RC-123 Cisco IOS XR Routing Configuration Guide address-family ipv4 unicast ! address-family ipv6 unicast ! exit ! interface POS0/3/0/0 ipv4 address 10.
Implementing IS-IS on Cisco IOS XR Software Where to Go Nex t RC-124 Cisco IO S XR Ro uting C onfigur ation Gui de Where to Go Next T o i mple ment mo re IP r outing protoc ols, see the f ollowing doc.
Implement ing IS-IS on Cisc o IOS XR Software Additional References RC-125 Cisco IOS XR Routing Configuration Guide RFCs Technica l Assista nce RFCs T itle RFC 1 142 OSI I S-IS Int ra-domain Routing P.
Implementing IS-IS on Cisco IOS XR Software Addition al Referenc es RC-126 Cisco IO S XR Ro uting C onfigur ation Gui de.
RC-127 Cisco IOS XR Routing Configuration Guide Implementing OSPF on Cisco IOS XR Software Open Shortest Path First ( OSPF) is an Interior Gatew ay Protocol (IGP) de veloped b y the OSPF working group of the Interne t Engin eering T ask Force (I ETF).
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Prerequisites for Impleme nting OSPF on Cisc o IOS XR Software RC-128 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisites for Implementin g OSPF.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-129 Cisco IOS XR Routing Configuration Guide • Nonstop Forwarding for OSPF V ersion 2, page RC-140 • Load Balancing in OSPF V ersion 2 and OSPFv3, page RC-141 OSPF Functional Overview OSPF is a r outing protocol for IP .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-130 Cisco IO S XR Ro uting C onfigur ation Gui de OSPF typically requires coordinat.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-131 Cisco IOS XR Routing Configuration Guide Compariso n of Cisc o IOS XR OSPFv3 an d OSPFv 2 Much of th e OSPFv3 pro toco l is the same a s in OSPFv2.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-132 Cisco IO S XR Ro uting C onfigur ation Gui de Ti p Under standing hierar chical C LI and CLI inheri tance sa v es you consider able conf iguration time.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-133 Cisco IOS XR Routing Configuration Guide Areas Areas a llo w the subdi vision of an autonomous system into smal ler , more manageable netwo rks or sets of adjace nt networks .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-134 Cisco IO S XR Ro uting C onfigur ation Gui de Routers The OSPF netw ork is composed of ABRs, ASBRs, and interior routers.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-135 Cisco IOS XR Routing Configuration Guide • The primary IPv4 address of the i nterfac e specifie d by the OSPF router -id command . • The 32-bit numer ic valu e specifie d by the router-id comm and in gl obal conf igurati on mode .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-136 Cisco IO S XR Ro uting C onfigur ation Gui de Note MD5 authentication supports multiple k eys, requiring that a k ey numbe r be associated with a k ey .
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-137 Cisco IOS XR Routing Configuration Guide The soft ware look s at the priority of the routers on th e seg ment to determine wh ich router s are the DR and BDR.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-138 Cisco IO S XR Ro uting C onfigur ation Gui de • Netwo rk LSA (T ype 2)—Desc ribes th e link state an d cost info rmation fo r all routers attached to a multiaccess network segme nt.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-139 Cisco IOS XR Routing Configuration Guide In the cas e in w hich an area cannot be c onnec ted to Are a 0, yo u must co nfigure a virtual link betw een that are a and Area 0.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-140 Cisco IO S XR Ro uting C onfigur ation Gui de The interv al at which the SPF calcul at ions occur is chosen dynamically and base d on the frequency of topolo gy chan ges in t he networ k.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-141 Cisco IOS XR Routing Configuration Guide through intel ligent line cards while the standb y Route Processor (RP) assumes control from the f ailed RP .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Informatio n About Imp lementin g OSPF on Cisco I OS XR Softwa re RC-142 Cisco IO S XR Ro uting C onfigur ation Gui de Modes of Graceful Restart Operation The two ope rationa l modes that a router can be in for thi s feature are restar t mode and helper mod e.
Implementing OSPF on Cisco IOS XR Software Information About Implementing OSPF on Cisco IOS XR Software RC-143 Cisco IOS XR Routing Configuration Guide • Upon e nteri ng help er m ode, a rout er perf orms its h elper func tion f or a specific pe riod of time .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-144 Cisco IO S XR Ro uting C onfigur ation Gui de • If grace ful restart is enable d, the adja cency cr eation time of all the neighbors is sav ed in the syste m database (SysDB).
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-145 Cisco IOS XR Routing Configuration Guide • V erifying OSPF Configuration and Operation, page RC-180 (.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-146 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-147 Cisco IOS XR Routing Configuration Guide Configur ing Stub and Not-s o-Stubby Area Types This t ask explai ns how to configure the st ub are a and the NSSA for OSPF .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-148 Cisco IO S XR Ro uting C onfigur ation Gui de 6. stub or nssa 7. default-cost cost 8. end or commit 9. Repeat this task on all other router s in the stub area or NSSA.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-149 Cisco IOS XR Routing Configuration Guide Step 5 stub [ no-summary ] or nssa [ no-redistribution ] [ def.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-150 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring Neighbors fo r No nbroadca st Netwo rks This t ask explai ns how to c onfigure ne ighbors for a non broadca st n etwork.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-151 Cisco IOS XR Routing Configuration Guide 9. neighbor ip-address [ priority number ] [ poll-interval se .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-152 Cisco IO S XR Ro uting C onfigur ation Gui de Step 5 network { broadcast | non-broadcast | { poin.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-153 Cisco IOS XR Routing Configuration Guide Step 9 neighbor ip-address [ priority number ] [ poll-interval.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-154 Cisco IO S XR Ro uting C onfigur ation Gui de Step 13 neighbor ip-address [ priority number ] [ p.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-155 Cisco IOS XR Routing Configuration Guide Configuring Authentication at Different Hier archical Le vels .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-156 Cisco IO S XR Ro uting C onfigur ation Gui de 5. message-di gest-key key - id md5 { key | clear key | encrypte d key } 6. area ar e a-id 7. interface ty pe instance 8.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-157 Cisco IOS XR Routing Configuration Guide Step 6 area area-id Example : RP/0/RP0/CPU0:router(config-ospf)# area 0 Ente rs area configur ation mode and co nfigures a backbone area for the OSPF process.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-158 Cisco IO S XR Ro uting C onfigur ation Gui de Controlling the Frequency that the Same LSA Is Orig.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-159 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-160 Cisco IO S XR Ro uting C onfigur ation Gui de Creating a Virtua l Link with M D5 Au thentication to Area 0 for OSPF This t ask explains how to creat e a vir tual link to yo ur back bone ( area 0 ) and app ly MD5 a uthent icati on.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-161 Cisco IOS XR Routing Configuration Guide • For a virt ual l ink t o be su cce ssful, y ou ne ed a st able route r ID a t each end of t he vir tual link.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-162 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-163 Cisco IOS XR Routing Configuration Guide Step 8 message-digest-key key-id md5 { key | clear key | encrypted key } Example : RP/0/RP0/CPU0:router(config-ospf-ar-vl)# message-digest-key 4 md5 yourkey Defi nes an OSPF virtual link.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-164 Cisco IO S XR Ro uting C onfigur ation Gui de Examples In the follo wing exam ple, the show ospfv.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-165 Cisco IOS XR Routing Configuration Guide 7. end or commit DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-166 Cisco IO S XR Ro uting C onfigur ation Gui de Redistributing Routes from One IGP into OSPF This task redistrib u tes routes fr om an IGP (could be a diffe rent OSPF process) into OSPF .
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-167 Cisco IOS XR Routing Configuration Guide 5. summary-pref ix addr ess mask [ not-adver tise ] [ tag tag ] or summary-pref ix ipv6-pr efi x / pr efix-l ength [ no t-adver tise ] [ tag tag ] 6.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-168 Cisco IO S XR Ro uting C onfigur ation Gui de Step 4 redistribute protocol [ process-id ] { level.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-169 Cisco IOS XR Routing Configuration Guide Step 5 summary-prefix address mask [ not-advertise ] [ tag tag ] or summary-prefix ipv6-prefix / prefix-length [ not-advertise ] [ tag tag ] Example : RP/0/RP0/CPU0:router(config-ospf)# summary-prefix 10.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-170 Cisco IO S XR Ro uting C onfigur ation Gui de Configuring OSPF Shorte st Path First Throttling Th.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-171 Cisco IOS XR Routing Configuration Guide Step 3 router-id { ipv4-address | interface-type interface-instance } Example : RP/0/RP0/CPU0:router(config-ospf)# router-id 192.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-172 Cisco IO S XR Ro uting C onfigur ation Gui de Examples In the follo wing example, th e show ospf EXEC command is used to verify that the initial SPF schedule delay time , minimum hold time, and ma ximum w ait time are c onfig ured corr ectly .
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-173 Cisco IOS XR Routing Configuration Guide Non-Stop Forwarding enabled Note For a desc ription of each ou.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-174 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-175 Cisco IOS XR Routing Configuration Guide Configuring OSPF Version 2 fo r MPLS Traffic Engineering This task e xplains ho w to conf igure OSPF for MP LS TE.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-176 Cisco IO S XR Ro uting C onfigur ation Gui de Restrictions MPLS t raf f ic engine erin g currently supports only a single O SPF area. SUMMARY ST EPS 1.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-177 Cisco IOS XR Routing Configuration Guide Step 5 mpls traffic-eng router-id { ip-address | interface-typ.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-178 Cisco IO S XR Ro uting C onfigur ation Gui de Examples This section pro vides the follo wing outp.
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-179 Cisco IOS XR Routing Configuration Guide Sample Output for the show ospf mpls traffic-eng Command In th.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-180 Cisco IO S XR Ro uting C onfigur ation Gui de Priority 0 : 3125000 Priority 1 : 3125000 Priority .
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-181 Cisco IOS XR Routing Configuration Guide Configur ing OSPFv3 Gr aceful Restar t This section describes .
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-182 Cisco IO S XR Ro uting C onfigur ation Gui de Enabling Graceful Restart This section describes how to enable an OSPFv3 graceful restart on the current rout er .
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-183 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Configuring the Minimum Time R equired Between Restarts This section describ es the task of modifying the minimal time that is require d between allo wable graceful restarts.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-184 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Configuring the Helper Level of the Router This se ction desc ribes the t ask of d isab ling t he hel per mode o n th e cu rrent rout er .
Implementing OSPF on Cisco IOS XR Software How to Implement OSPF on Cisco IOS XR Software RC-185 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Displaying Informati on About Graceful Restart This secti on descri bes the task s you can use to displ ay infor mation ab out a grac eful re start.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e How to Implement OSPF on Cisco IOS X R Software RC-186 Cisco IO S XR Ro uting C onfigur ation Gui de Displaying Gracefu l Restart Informa tion for an O .
Implementing OSPF on Cisco IOS XR Software Configuration Examples for Implementing OSPF on Cisco IOS XR Software RC-187 Cisco IOS XR Routing Configuration Guide Configuration Ex amples for Implementin.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Configur ation Examp les for Implem enting OSPF on Cisco IOS XR Sof tware RC-188 Cisco IO S XR Ro uting C onfigur ation Gui de Cisco IOS XR fo r OSPF Vers ion 2 Co nfigurati on: Exam ple The follo wing example sho ws how an OSPF in terface is configured for an area in Cisco IOS XR software.
Implementing OSPF on Cisco IOS XR Software Configuration Examples for Implementing OSPF on Cisco IOS XR Software RC-189 Cisco IOS XR Routing Configuration Guide router ospf 1 router-id 10.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Configur ation Examp les for Implem enting OSPF on Cisco IOS XR Sof tware RC-190 Cisco IO S XR Ro uting C onfigur ation Gui de interface POS 0/2/0/3 ! interface POS 0/3/0/3 cost 1 ! ! MPLS TE for OSPF Versio n 2: Exam ple The follo wing example sho ws ho w to configure the OSPF portion of MPLS TE.
Implementing OSPF on Cisco IOS XR Software Configuration Examples for Implementing OSPF on Cisco IOS XR Software RC-191 Cisco IOS XR Routing Configuration Guide ABR Totally S tub Area fo r OSPFv3: Example The f ollo wing exa mple sho ws that area 1 is conf igured a s a total ly stu b area : router ospfv3 1 router-id 10.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Where to Go Nex t RC-192 Cisco IO S XR Ro uting C onfigur ation Gui de Virtual Link Co nfigured w ith MD5 Auth entication fo r OSPF Version 2: Ex ample The following exam ples show how to co nfigure a virtua l link to your backb one an d app ly MD 5 authe nticatio n.
Implementing OSPF on Cisco IOS XR Software Additional References RC-193 Cisco IOS XR Routing Configuration Guide Additional Ref erences The follo wing sections provide ref erences rela ted to implementing OSPF on Cisco IOS XR software.
Imple mentin g OSPF on Ci sco IOS XR So ftwar e Addition al Referenc es RC-194 Cisco IO S XR Ro uting C onfigur ation Gui de Technica l Assista nce Description Link The Ci sco T echnical Suppo rt webs.
RC-195 Cisco IOS XR Routing Configuration Guide Implementing and Monitoring RIB on Cisco IOS XR Software Routing Informatio n Base (RIB) is a distribute d collection of informatio n about routing connecti vity among a ll no des of a netwo rk. Each ro uter ma intain s a RIB cont aining t he rout ing inform ation for that route r .
Implemen ting and M onitorin g RIB on Cisco IOS XR Soft ware Prerequisit es for Impleme nting RIB on Ci sco IOS XR Softw are RC-196 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisites for Impl.
Impleme nting and M onitoring RIB on Cisco IOS XR Sof tware Information About RIB Configuration RC-197 Cisco IOS XR Routing Configuration Guide RIB Administrative D istance Forwarding is don e based o n the long est prefix match. If you are forwarding a packet destin ed to 10.
Implemen ting and M onitorin g RIB on Cisco IOS XR Soft ware How t o Depl oy a nd Mo nitor RIB RC-198 Cisco IO S XR Ro uting C onfigur ation Gui de How to Deploy and Monito r RIB T o dep loy and moni .
Impleme nting and M onitoring RIB on Cisco IOS XR Sof tware How to Depl oy and Mon itor RIB RC-199 Cisco IOS XR Routing Configuration Guide 5. show rout e [ afi-all | ipv4 | ipv6 ] [ unicast | multica st | safi- all ] loca l [ interfac e ] 6.
Implemen ting and M onitorin g RIB on Cisco IOS XR Soft ware Configur ation Examp les for RIB Moni toring RC-200 Cisco IO S XR Ro uting C onfigur ation Gui de Configuration E xamples for RIB Monitoring RIB is not conf ig ured separatel y for the Cisco IOS XR system.
Impleme nting and M onitoring RIB on Cisco IOS XR Sof tware Configuration Examples for RIB Monitoring RC-201 Cisco IOS XR Routing Configuration Guide L 172.20.16.1/32 is directly connected, 1d21h, ATM4/0.1 C 10.6.100.0/24 is directly connected, 1d21h, Loopback1 L 10.
Implemen ting and M onitorin g RIB on Cisco IOS XR Soft ware Where to Go Nex t RC-202 Cisco IO S XR Ro uting C onfigur ation Gui de L 192.168.20.2/32 is directly connected, 00:13:27, GigabitEthernet2/0 L 10.
Impleme nting and M onitoring RIB on Cisco IOS XR Sof tware Additional References RC-203 Cisco IOS XR Routing Configuration Guide Additional Ref erences The follo wing sections pro vide refer ences re.
Implemen ting and M onitorin g RIB on Cisco IOS XR Soft ware Addition al Referenc es RC-204 Cisco IO S XR Ro uting C onfigur ation Gui de RFCs Technica l Assista nce RFCs T itle No new or m odified R FCs are suppo rted by thi s feature, and support for ex isting RFCs has not b een modif ied by th is feature.
RC-205 Cisco IOS XR Routing Configuration Guide Implementing Routing Policy on Cisco IOS XR Software A routing po licy inst ructs the router to inspect routes, f ilter them, and potentially modify their attrib utes as they are ac cepte d from a pe er, advertised to a pee r , or redistr ibuted from on e rout ing pro tocol t o anothe r .
Implementing Routing Policy on Cisco IOS XR Software Prerequisit es for Impleme nting Ro uting Policy RC-206 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisites for Implem enting Routing Polic.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-207 Cisco IOS XR Routing Configuration Guide polic y .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-208 Cisco IO S XR Ro uting C onfigur ation Gui de surrounde d by parenthe ses as fol lows: (<elemen t-en try>,< elem ent-en try>,< elem ent-en try> , .
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-209 Cisco IOS XR Routing Configuration Guide This set mat ches the same AS paths as the prev iously named set, bu t does not requ ire the e xtra ef fort of creat ing a named se t separa te from th e policy that uses it.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-210 Cisco IO S XR Ro uting C onfigur ation Gui de Inline Form (RT:1.2.3.4:666, RT:1234:6667, SoO:1.2.3.4:777, SoO:45678:777) (RT:$ipaddr:666, RT:1234:$tag, SoO:1.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-211 Cisco IOS XR Routing Configuration Guide The fol lo wing pref ix-set c onsists entir ely of in val id pref ix match specif ications: prefix-set ILLEGAL-PREFIX-EXAMPLES 10.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-212 Cisco IO S XR Ro uting C onfigur ation Gui de route-policy quickstart-drop drop end-policy Ignore routes with specific AS numbers in the path The follo wing example sho ws the policy definit ion in three parts.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-213 Cisco IOS XR Routing Configuration Guide route-policy quickstart-localpref if community matc.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-214 Cisco IO S XR Ro uting C onfigur ation Gui de route-policy drop-everything drop end-policy The nam e se rves as a ha ndle fo r bindi ng the policy to p rotoco ls.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-215 Cisco IOS XR Routing Configuration Guide route-policy origin-10 if as-path originates-from .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-216 Cisco IO S XR Ro uting C onfigur ation Gui de then the ex pression, fully parenthesi zed, would look like the follow ing: ((not med eq 10) and destination in (10.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-217 Cisco IOS XR Routing Configuration Guide if med eq 12 then set med 42 if med eq 42 then drop.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-218 Cisco IO S XR Ro uting C onfigur ation Gui de Polic y four c ould be re written in an equi.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-219 Cisco IOS XR Routing Configuration Guide Attached Policy Modi fication Policie s that are in u se do, on occas ion, n eed to be modified.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-220 Cisco IO S XR Ro uting C onfigur ation Gui de Unlike tr aditional !-com ments in the CLI, RPL remarks persist through reboots and when configu rations are saved to disk or a T FTP se rver an d then loa ded ba ck on to the rou ter .
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-221 Cisco IOS XR Routing Configuration Guide Beca use th e effect of an explicit drop statem ent is im mediat e, rout es in 10.0. 0.0/16 le 32 are dr opped without a ny furth er polic y processing .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-222 Cisco IO S XR Ro uting C onfigur ation Gui de The statem ents with in an if stateme nt may.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-223 Cisco IOS XR Routing Configuration Guide W ith a set of p arentheses to expr ess the pr ecedence, th e result i s the follo wing: med eq 10 or ((not destination in (10.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-224 Cisco IO S XR Ro uting C onfigur ation Gui de Note Th e pr otocol c onfigurat ion re jects attemp ts t o att ach po licies tha t perf orm unsuppor ted op erati ons.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-225 Cisco IOS XR Routing Configuration Guide router bgp 2 address-family ipv4 aggregate-address 10.0.0.0/8 policy sample . . . Dampenin g The dampeni ng at tach point contro ls the defau lt ro ute-da mpen ing beh avior with in B GP .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-226 Cisco IO S XR Ro uting C onfigur ation Gui de Neighbor Export The ne ighbor export attach poin t select s the BGP r outes to send to a g i ven pee r or group of pee rs.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-227 Cisco IOS XR Routing Configuration Guide router bgp 2 neighbor 10.0.0.1 remote-as 3 address-family ipv4 unicast route-policy sample_import in .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-228 Cisco IO S XR Ro uting C onfigur ation Gui de Show bgp The show bgp att ach point allo ws the user to display selected BG P routes that pass the gi ven policy .
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-229 Cisco IOS XR Routing Configuration Guide RP/0/RP0/CPU0:router# show bgp policy route-policy test2 10.0.0.0/8 is advertised to 10.0.101.2 Path info: neighbor:10.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-230 Cisco IO S XR Ro uting C onfigur ation Gui de Some B GP rout e attrib utes are inacces sible from s ome BGP attach points for va rious r easons .
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-231 Cisco IOS XR Routing Configuration Guide OSPF Policy Attach Points This section describes each of t he OSPF policy attach points and pro vides a summary of t he OSPF attributes and operat ors.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-232 Cisco IO S XR Ro uting C onfigur ation Gui de route-policy OSPF-redist set metric-type typ.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-233 Cisco IOS XR Routing Configuration Guide router ospfv3 1 default-information originate policy ospfv3-originate .
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-234 Cisco IO S XR Ro uting C onfigur ation Gui de IS-IS Policy Attach Points This section describ es each of the IS-IS policy attac h points and provid es a summary of the BGP attributes and operat ors.
Impleme nting Routing Policy on Cisco IOS XR Softw are Information About Implementing Routing Policy RC-235 Cisco IOS XR Routing Configuration Guide Attached Polic y Modification Policie s that are in u se do, on occas ion, n eed to be modi fied.
Implementing Routing Policy on Cisco IOS XR Software Informat ion About Imp lement ing Routing Pol icy RC-236 Cisco IO S XR Ro uting C onfigur ation Gui de RP/0/RP0/CPU0:router# edit route-policy policy_A ---------------------------------------- == MicroEMACS 3.
Impleme nting Routing Policy on Cisco IOS XR Softw are How to Implement Routing Policy RC-237 Cisco IOS XR Routing Configuration Guide How to Implement Routing Policy This se ction conta ins th e fo l.
Implementing Routing Policy on Cisco IOS XR Software How to Implem ent Routing Policy RC-238 Cisco IO S XR Ro uting C onfigur ation Gui de Attaching a Routing Po licy to a BGP Neighbor This task exp lains how to attach a rou ting pol icy to a BGP neigh bor .
Impleme nting Routing Policy on Cisco IOS XR Softw are How to Implement Routing Policy RC-239 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Implementing Routing Policy on Cisco IOS XR Software How to Implem ent Routing Policy RC-240 Cisco IO S XR Ro uting C onfigur ation Gui de Modifying a Routing Policy Us ing the M icroemac s Editor This t ask expla ins how to mo dify an existi ng ro uting policy usin g the microe macs editor .
Impleme nting Routing Policy on Cisco IOS XR Softw are Configuration Examples for Implementing Routing Policy RC-241 Cisco IOS XR Routing Configuration Guide DETAILED STEP S Configuration E xamples fo.
Implementing Routing Policy on Cisco IOS XR Software Conf igu rat ion Exam ples for Impl ementi ng Ro utin g Po li cy RC-242 Cisco IO S XR Ro uting C onfigur ation Gui de configure route-policy sample.
Impleme nting Routing Policy on Cisco IOS XR Softw are Configuration Examples for Implementing Routing Policy RC-243 Cisco IOS XR Routing Configuration Guide endif else set community (2:999) additive endif end-policy router bgp 2 neighbor 10.
Implementing Routing Policy on Cisco IOS XR Software Addition al Referenc es RC-244 Cisco IO S XR Ro uting C onfigur ation Gui de pass endif end-policy ! route-policy common-inbound apply filter-bogon.
Impleme nting Routing Policy on Cisco IOS XR Softw are Additional References RC-245 Cisco IOS XR Routing Configuration Guide MIBs RFCs Technica l Assista nce MIB s MIB s Link There are no applicable MI Bs for this mo dule.
Implementing Routing Policy on Cisco IOS XR Software Addition al Referenc es RC-246 Cisco IO S XR Ro uting C onfigur ation Gui de.
RC-247 Cisco IOS XR Routing Configuration Guide Implementing Static Routes on Cisco IOS XR Software Static rou tes are use r- def ined route s that cau se packe ts movi ng betwee n a source an d a destinati on to take a specified path .
Implem enting St atic R outes on C isco IOS X R Soft ware Prerequisit es for I mpleme nting Stat ic Rout es on Cisco I OS X R Software RC-248 Cisco IO S XR Ro uting C onfigur ation Gui de Prerequisite.
Impleme nting Static Rout es on Cisco IOS XR Software Information About Implementing Static Routes on Cisco IOS XR Software RC-249 Cisco IOS XR Routing Configuration Guide routes. For e xample, you could have routes installe d by the O pen Shortest Pa th First (OSPF) protocol with an administrative distance of 120.
Implem enting St atic R outes on C isco IOS X R Soft ware How to Implement Stat ic Routes on Cisco IOS XR Software RC-250 Cisco IO S XR Ro uting C onfigur ation Gui de Fully Specified St atic Routes In a fully specifie d static ro ute, both the ou tput int erface a nd next ho p are spec ified.
Impleme nting Static Rout es on Cisco IOS XR Software How to Implement Static Routes on Cisco IOS XR Software RC-251 Cisco IOS XR Routing Configuration Guide 3. end or commit DETAILED STEP S Configur ing a Fl oating St atic Rou te This t ask explai ns how to c onfigure a f loating sta tic route .
Implem enting St atic R outes on C isco IOS X R Soft ware How to Implement Stat ic Routes on Cisco IOS XR Software RC-252 Cisco IO S XR Ro uting C onfigur ation Gui de 3. end or commit DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting Static Rout es on Cisco IOS XR Software How to Implement Static Routes on Cisco IOS XR Software RC-253 Cisco IOS XR Routing Configuration Guide Changing the Maximum Numb er of Allow able Static Routes This t ask explai ns how to c hange the ma ximum numbe r of al lowable static route s.
Implem enting St atic R outes on C isco IOS X R Soft ware How to Implement Stat ic Routes on Cisco IOS XR Software RC-254 Cisco IO S XR Ro uting C onfigur ation Gui de DETAILED STEP S Comm and or Acti on Pur pose Step 1 configure Example : RP/0/RP0/CPU0:router# configure Enters gl obal configurat ion mode.
Impleme nting Static Rout es on Cisco IOS XR Software Configuration Examples RC-255 Cisco IOS XR Routing Configuration Guide Configuration E xamples This section pro vides the follo wing config uratio.
Implem enting St atic R outes on C isco IOS X R Soft ware Addition al Referenc es RC-256 Cisco IO S XR Ro uting C onfigur ation Gui de Additional Ref erences The follo wing sections provide r eferences r elated to imple menting static route s on Cisco IOS XR software.
HC Cisc o IOS X R In terfac e a nd Hard war e Com ponen t Config uration G uide IC Cisco I OS XR IP Addr esses a nd Ser vices Configu ratio n Guid e MCC Cisco IO S XR Mul ticast Co nfigurat ion Gu ide.
Index RC-258 Cisco IOS XR Routi ng Configu ration Gu ide bgp dam peni ng co mman d RC-49 bgp defaul t loc al-pref erence command RC-3 6 bgp globa l address famil y submod e RC-5 aggreg ate-addre ss co.
Inde x RC-259 Cisco IOS XR Routing Configuration Guide distan ce com mand RC-121 dmz- lin k-ban dwid th c omma nd RC-56 Draft-ietf -idr-bgp4- 24.txt, BGP RC-80, RC-244 Draft-ietf -idr-bgp4-m ib-15.txt, BGP RC-80 draft- ietf-i dr-cea se-sub code-05. txt RC -80 Draft-ie tf-isis- igp-p2p- over- lan-05.
Index RC-260 Cisco IOS XR Routi ng Configu ration Gu ide interior routers RC- 134 IPv6 IS-IS su pport multitopo logy RC-88 single-top ology RC-87 RIB suppor t RC-19 7 routin g RC-86 IS-IS (I nter medi.
Inde x RC-261 Cisco IOS XR Routing Configuration Guide M maximum- paths c ommand RC-121 max-l sp-lifetim e command RC-103 mesh-gro up comm and RC-104 messag e-dig est-ke y command RC-156 metric-s tyle.
Index RC-262 Cisco IOS XR Routi ng Configu ration Gu ide on an OSPF ABR RC- 164 types RC-137 MD5 authentic ation R C-135 MPLS TE, configur ing R C-175 neighbo rs, adja cency RC-136 neighbo rs, nonbr o.
Inde x RC-263 Cisco IOS XR Routing Configuration Guide P passwo rd accep t comman d RC-57 password-di sable c ommand RC-57 point-t o-point n etwor ks RC-135 policy, mo dify ing atta ched RC- 235 nonat.
Index RC-264 Cisco IOS XR Routi ng Configu ration Gu ide mpls traffi c-eng comman d RC-111 mpls traffic- eng rou ter-i d comman d RC-112 redi st rib ute is is co mm and RC-121 set-attac hed-bit comman.
Inde x RC-265 Cisco IOS XR Routing Configuration Guide Area B order Router s (ABR s) RC-134 Autonomou s System Bound ary R outers (ASBRs) RC-134 autonom ous system s RC-132 backbon e ar ea RC-133 Desi.
Index RC-266 Cisco IOS XR Routi ng Configu ration Gu ide show isis dat abase comma nd RC-1 05 show is is datab ase-log c ommand RC-105 show isis interface command RC-116 show isis lsp- log comma nd RC.
Ein wichtiger Punkt beim Kauf des Geräts Cisco Systems IOS XR (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Cisco Systems IOS XR noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Cisco Systems IOS XR - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Cisco Systems IOS XR reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Cisco Systems IOS XR erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Cisco Systems IOS XR besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Cisco Systems IOS XR verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Cisco Systems IOS XR. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Cisco Systems IOS XR gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
