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NetFlo w Tracker User’s Guide Version 3.5 May 2007 Copyright 2004 - 2007 Fluke Corporat ion. All rights reserved. All prod uct names a re trad emarks of their respective compa nies.
User’ s Guide – versio n 3.5 NetFlo w Track er 2 Contents SOFT WARE LICEN SE AGREEM ENT 5 INTRODUC TION 15 What is N etFlow ? 15 What is N etFlow Tr acker ? 15 Featu res and Bene fits 15 INSTALLAT.
User’ s Guide – versio n 3.5 NetFlo w Track er 3 L ONG-TERM REPORTS 35 Devices and Interfaces 35 Per-device a nd Per-int erface L ong-term Report s 35 Filter Editor 35 REPOR TS 37 REPOR T UR L FO .
User’ s Guide – versio n 3.5 NetFlo w Track er 4 I P Application Names 72 DiffServ Names 72 Hostna me Resol uti on Set tings 72 AS Names 73 Subnet Na mes 73 Databa se Se ttings 73 Backup 74 Archiv.
User’ s Guide – versio n 3.5 NetFlo w Track er 5 Soft ware License Agr eeme nt This is a legal agre ement between you (“ You”/ “the End U ser””) , and Fluke Cor poration, a Washington co.
User’ s Guide – versio n 3.5 NetFlo w Track er 6 If You have pu rchased the m ainten ance and support serv ices from Fluke th en subj ect to payment of the support fees, Fluke shall provide such service s in respect of the Product in acco rdance w ith the pr ovisions o f the Sup port an d Maintenan ce Agreemen t conta ined in Appendi x 1.
User’ s Guide – versio n 3.5 NetFlo w Track er 7 6 . CUSTO MER REMEDI ES You must call your Fluke representative for an authorization to return any item du ring the 90 day w arranty period referre.
User’ s Guide – versio n 3.5 NetFlo w Track er 8 1 1. CONFIDENTIA L INFORMATION AND S ECURITY Durin g and after this Agree ment, the P arties wi ll keep i n conf idence an d use only for the purposes of this Ag reement al l Confide ntial Informat ion.
User’ s Guide – versio n 3.5 NetFlo w Track er 9 14.4 If any prov isions o f the Agreem ent are hel d to be u nenfo rceable, illegal o r void in wh ole or in part the remain ing portions of the Agreement shal l remain in full force and effect. 14.
User’ s Guide – versio n 3.5 NetFlo w Track er 10 Append ix 1 to End User Licence Term s and Conditi ons for Fluke Support and Mai ntenance S ervice 1.
User’ s Guide – versio n 3.5 NetFlo w Track er 11 1.7 The con tents of the Schedu le form an integra l part of this Agreem ent an d shall h ave as full ef fect as if it were in corporated i n the .
User’ s Guide – versio n 3.5 NetFlo w Track er 12 5.4 W ithout pre judice t o the generali ty of clause 5.3 and for t he avoidance of doubt, t o the fullest extent pe rmitted by l aw all term s im.
User’ s Guide – versio n 3.5 NetFlo w Track er 13 9 . Conf identi al Infor mation and Secu rity 9.1 Durin g and after this Agree ment, the P arties wi ll keep i n conf idence an d use only for the purposes of this Ag reement al l Confide ntial Informat ion.
User’ s Guide – versio n 3.5 NetFlo w Track er 14 Schedul e Support Servic es 1. Sup por t Hours The Supp ort Hours during wh ich Fluk e shall su pply th e Support Servi ces sha ll be betw een 9.30am and 5pm on Worki ng Days. 2. Sup por t Servi ces Fluke shall p rovide You during the Support Hou rs with: 2.
User’ s Guide – versio n 3.5 NetFlo w Track er 15 Introduction This d ocumen t is the us er man ual for N etFl ow Tra cker, a sof tware produ ct de signed to collec t NetFlow infor mati on from Ci sco eq uip ment a nd pre sent it in a m eanin gful w ay.
User’ s Guide – versio n 3.5 NetFlo w Track er 16 • Every r eport a nd char t can b e forma tted as CSV or XML for furthe r proce ssing or as simplified HTML o r PDF for printing or emailing. • Straigh tforw ard URL f or mat for l inking curren t, auto matic ally upd ated ch arts into other app licati ons.
User’ s Guide – versio n 3.5 NetFlo w Track er 17 Installation Minimum System Requirements The ty pe of system requ ired to ru n NetFlow Trac ker depends on t he number of devices sendi ng NetF low infor mat ion to i t and the amoun t and na ture of tr affic h andl ed by those de vices .
User’ s Guide – versio n 3.5 NetFlo w Track er 18 • NetFlow T racker conta ins an embedde d web server. Web se rvers norma lly run on port 80, but this may be in use by anoth er we b serve r on your s ystem. You can choose a different po rt during inst allation o r disable o ther web serve rs prior t o i nstalla tion if y ou wish .
User’ s Guide – versio n 3.5 NetFlo w Track er 19 C ustom Setu p You wi ll only s ee this d ialog if you cho se cus tom set up abov e. You s hould see opti ons for NetF low Tra cker and MyS QL, u nless an unsupp orted versi on of MyS QL was detec ted.
User’ s Guide – versio n 3.5 NetFlo w Track er 20 S et up SNMP co mmu nity stri ngs If any of the devi ces you i ntend m onitor ing do n ot use a read-on ly SNMP comm unity of “public” you will need to add their communities to the list in SNMP Setti ngs .
User’ s Guide – versio n 3.5 NetFlo w Track er 21 Using NetFlow T racker Once you have insta lled NetFlow T racker an d configured y our devic es, data will be availab le with in a few minute s.
User’ s Guide – versio n 3.5 NetFlo w Track er 22 D evice traffic meter s In addi tion to the orde rabl e columns ther e are two grap hical me ter col umns tha t allow you to ins tantl y see w hich d evices are curre ntly b usy.
User’ s Guide – versio n 3.5 NetFlo w Track er 23 Per-AS data If your r outer us es BGP to rou te traff ic it wil l prov ide s ource and d esti nation origin o r peer AS number s in its NetFl ow dat a. NetFl ow Tra cker cre ates op timise d bi- directi onal charts for ea ch AS jus t as it d oes for e ach inter fac e.
User’ s Guide – versio n 3.5 NetFlo w Track er 24 Z ooming in You can z oom in t o the c hart by cli cking the zo om in butt on on th e toolb ar: This w ill zoom in on the c entre of the c hart. If y ou want t o zoom in on a p articul ar selection, see Selecting a time range below.
User’ s Guide – versio n 3.5 NetFlo w Track er 25 A lter the fil ter app lied to a s tand ard c hart Most ch arts al low yo u to chang e the ap plie d filter by click the filter e ditor tool bar button : See Creating Filtered Reports for m ore ab out the f ilter editor .
User’ s Guide – versio n 3.5 NetFlo w Track er 26 Working with Pie Chart s M ost charts c an be dis played i nste ad as a pi e chart. Rather than br eaking the se lected time ra nge into s mall ch.
User’ s Guide – versio n 3.5 NetFlo w Track er 27 S ort a tabular repor t A repor t can be sor ted o n any of the col umns des cri bing the reporte d elem ents, or can be s orted by traffi c or p acket rate . Simp ly clic k the col umn he ading – if you cl ick a column he adin g twice i t wil l be s orted in th e oppos ite ord er.
User’ s Guide – versio n 3.5 NetFlo w Track er 28 Report Tem plat es Wheneve r you create a new tabular re port or chart yo u can ch oose a ny of t he standar d rep ort temp late s dep ending on what you want t o exami ne: Address Reports • Source Address es – shows the IP add ress es that w ere the source of most traffi c or packe ts.
User’ s Guide – versio n 3.5 NetFlo w Track er 29 • Bi-directional Con versation s – add s extra co lumns s howing the traf fic and packets sent fr om des tinatio n to s ource and the b i-dir ectional totals f or each c onvers atio n.
User’ s Guide – versio n 3.5 NetFlo w Track er 30 • Netw orks – shows the IP subne ts that w ere th e sour ce or des tinati on of th e most traffi c or p ackets. • Netw ork Pai rs – shows the pa irs of c onnect ed IP subn ets that exchange d most traffi c or p ackets.
User’ s Guide – versio n 3.5 NetFlo w Track er 31 S ome fi lters al low a rang e of i tems to b e added ; in this case en ter the s tart and end of the range in the boxes provided.
User’ s Guide – versio n 3.5 NetFlo w Track er 32 T ime zon e You can change the ti me zone us ed to i nterpr et the start a nd end tim es an d time masks from the default of the time zone used by the NetFlow Tracker s erver. So urce dev ice You mus t sele ct which router or swi tch you w ant to co nsid er.
User’ s Guide – versio n 3.5 NetFlo w Track er 33 P rot ocol You can restri ct the se t of I P protoc ols co nside red. F or examp le, you may want to consid er onl y UDP or IC MP tr affic whi le inve stiga ting a denial -of-se rvice at tack.
User’ s Guide – versio n 3.5 NetFlo w Track er 34 D iffServ This will select only t raffic bearing one of the selected differentiated service co de points. Since DiffServ and ToS use the same field in the IP header you should not use both fil ters a t the same time.
User’ s Guide – versio n 3.5 NetFlo w Track er 35 Long-t erm Report s Long-ter m rep orts all ow you t o look a t data ove r much lo nger time ran ges t han is poss ible w ith the stand ar d real- time dat abase.
User’ s Guide – versio n 3.5 NetFlo w Track er 36 I f you sele ct a per -dev ice, pe r-inb ound inter face or per -outbound inter face r eport yo u must al so spe cify wha t dev ice or in terface to rep ort up on.
User’ s Guide – versio n 3.5 NetFlo w Track er 37 Repor ts The “Rep orts” menu on t he NetF low Tra cker h omep age con tains lin ks to use r-d efined executive and scheduled reports. An exe cutive report i s a pre -defi ned templ ate th at cont ains on e or more char ts or tabul ar repor ts.
User’ s Guide – versio n 3.5 NetFlo w Track er 38 Repor t URL For mat You can e asily g enera te your ow n URLs or modif y auto maticall y crea ted one s for us e in networ k manag emen t por tals favo urites lists . General Form http://<server>:<port>/report.
User’ s Guide – versio n 3.5 NetFlo w Track er 39 0023 Next Hop s 0 024 S ource Address Dissemination 0025 Destination Address Popularity 0026 Recogn ised Applica tions 0027 Traffic Cl ass es 0028.
User’ s Guide – versio n 3.5 NetFlo w Track er 40 o utput – specifies i f a ta bula r report or chart will be gen erat ed. table A tabular re port wi ll be gen erated ( defaul t) chart A c hart over time will be generated pie A pie chart will be generated n records – specifie s the n umber of rows to show per page of a tabu lar report .
User’ s Guide – versio n 3.5 NetFlo w Track er 41 s ections – sp ecifies the rep ort secti ons to output. The sections, formed by summing the values for each section 1 Title 2 Time range & f.
User’ s Guide – versio n 3.5 NetFlo w Track er 42 f ormat – sp ecifies the outp ut form at of the r epor t or char t. html Fu lly in teract ive HTML (default ) print Printable/saveable HTML pdf PDF csv Comm a separ ated val ues x ml XML reload – specifies t he num ber of se conds bet ween automat ic ref reshes o f the repo rt.
User’ s Guide – versio n 3.5 NetFlo w Track er 43 e time – specifies the end of the required time range. <time> The time in milliseconds UTC <dd>/<MM>/<yyyy>%20<HH>.
User’ s Guide – versio n 3.5 NetFlo w Track er 44 <number> The tim e range will exten d to the e nd of this n umb er of full units before the time of repor t g enerati on nunits – sp ecifies the numb er of uni ts req uired . Note th at this m ay incl ude a p artial u nit.
User’ s Guide – versio n 3.5 NetFlo w Track er 45 e date_nunitsago – (optional) specifies the numbe r of units before the time of report gener ation of the last d ay of the time r ange.
User’ s Guide – versio n 3.5 NetFlo w Track er 46 S peci fying a time z one By def ault the ti me zon e used to inter pret cal enda r-bas ed time ranges and time -of- day masks is the ti me zone of the Ne tFlow Tr acke r serv er. You c an spe cify a no n-defaul t time zone if you wish.
User’ s Guide – versio n 3.5 NetFlo w Track er 47 115 (GMT+ 02:00) B uch arest 1 20 ( GMT+02: 00) Cai ro 140 (GMT+ 02:00) H arare, Pre toria 125 (GMT+ 02:00) He lsin ki, Ky iv, Rig a, Sofia, Tallinn, Vilni us 135 (GMT+02:00) Jerusalem 158 (GMT+ 03:00) B aghd ad 150 (GMT+ 03:00) K uwai t, Riy adh 145 (GMT+ 03:00) M osc ow, St.
User’ s Guide – versio n 3.5 NetFlo w Track er 48 285 (GMT+ 12:00) F iji, Ka mch atka, M arshall Is. 3 00 ( GMT+13: 00) Nuk u'alofa Specifying t he chart sample size W hen yo u crea te a real- time ch art the syste m choos es a sam ple si ze that w ill cr eate as close to 150 s amples over the full w idth of the char t as pos sible .
User’ s Guide – versio n 3.5 NetFlo w Track er 49 s ample – sp ecifies the sourc e long-te rm d ata to us e 10minute Daily data (ten minute samples) wil l be used 1hour Weekly data (one hour sam.
User’ s Guide – versio n 3.5 NetFlo w Track er 50 i nvpn – sp ecifies a VPN that t he inp ut inter face m ust be p art of. <name> The VPN name; see Device Settings for more i nforma tion <id> The VPN identifier outvpn – sp ecifies a VPN that the outp ut interf ace mus t be par t of.
User’ s Guide – versio n 3.5 NetFlo w Track er 51 d stport – sp ecifies an accept able d estina tion app licati on por t numbe r. For mat as for srcport above. dstport_exclude=true – s pecifie s that the s uppli ed des tinatio n appli cation port numbers are ex clude d rathe r than in clude d.
User’ s Guide – versio n 3.5 NetFlo w Track er 52 a pplid_exclude=true – specifies t hat the suppli ed ident ified a pplica tions are exclud ed rath er than includ ed.
User’ s Guide – versio n 3.5 NetFlo w Track er 53 d stas_exclude=true – spe cifies that the sup plie d de stinatio n auton omous sys tem numbers are ex clude d rathe r than in clude d. as – sp ecifies an accepta ble s ource or d estina tion autonom ous sys tem n umber .
User’ s Guide – versio n 3.5 NetFlo w Track er 54 n exthop – specifies a n ext-ho p address. <addr> The address in dott ed-decimal format <addr1>-<addr2> A range of addresses, .
User’ s Guide – versio n 3.5 NetFlo w Track er 55 Management Port al Access Control Paramete rs The foll owing p arame ters are used by a manag em ent port al that p rovid es us ers w ith acces s to NetF low Tr acker repor ts as des cribe d in Manage ment Por tal Se tting s .
User’ s Guide – versio n 3.5 NetFlo w Track er 56 6 Out In terface 7 I n/O ut In terfac e 8 Protocol 9 Source Port 10 Dest Port 11 Src/Des t Port 12 Source Ap plicati on 13 Dest Ap plicati on 14 S.
User’ s Guide – versio n 3.5 NetFlo w Track er 57 64 Filter E ditor button, if applicable 1 28 R efres h and Res olve All buttons , if ap plicabl e 256 Print and CSV buttons, if applica ble 512 Op.
User’ s Guide – versio n 3.5 NetFlo w Track er 58 Perfor mance Tuni ng There are several factors that influence how quickl y a given report is generated: Disk Speed The first step in creating a report is reading th e raw data from disk; increasing the speed of t he disk subsy stem will m ake re porting f aster.
User’ s Guide – versio n 3.5 NetFlo w Track er 59 Configuration Guide To open a ny of the setti ngs pages , click “Se ttings” on the main p age. If you have pass word p rotecti on ena bled y ou may hav e to logi n as an ad minis trativ e us er to see the link.
User’ s Guide – versio n 3.5 NetFlo w Track er 60 Device S etting s Device List This p age all ows you to check th e stat us of a kn own d evice and overr ide the interfa ce descriptio ns and speeds o btained fro m it.
User’ s Guide – versio n 3.5 NetFlo w Track er 61 A device ma y be conf igurable to send the BGP next -hop addre ss in its Net Flow export s; if this i s the case you wil l have the optio n to stor e this value in p lace of th e IP ne xt-hop for th e device.
User’ s Guide – versio n 3.5 NetFlo w Track er 62 I f you wis h to pre vent inte rfaces that n ever r eport any N etFl ow data f rom ap peari ng in the interfac e stat us repo rt and Filter Editor che ck the b ox corre spondi ng to t he interfa ce in t he “ina ctive” col umn.
User’ s Guide – versio n 3.5 NetFlo w Track er 63 Y ou can us e your own ht ml page if you wis h by pu tting it in the “ customw eb” folder under th e NetF low Tra cker install folder; it is the n avail able fr om the Ne tFlow Tracker serv er as, for examp le, http ://s erver /custo mweb /file.
User’ s Guide – versio n 3.5 NetFlo w Track er 64 Using Apache as a Port al Server T he Apac he web serv er supp orts se veral d irectiv es in i ts configur ati on file ( httpd.conf ) that all ow i t to be used as a pro gramm able p roxy s erver : RewriteEngine On This enables the URL rewriting module.
User’ s Guide – versio n 3.5 NetFlo w Track er 65 Report S ettin gs This p age lets you con figu re vari ous value s affe cting the way rep orts a nd char ts appe ar in NetFlow Tracker.
User’ s Guide – versio n 3.5 NetFlo w Track er 66 S aved Filt ers Saved filters can be defined that can be added wherever a filter editor appears in the softwar e.
User’ s Guide – versio n 3.5 NetFlo w Track er 67 Y ou can ch oose t o have the re port ge nerated as PDF or as HTML i n the s ame form at as the printable version of a report . HTML ca n be generat ed as a single fi le (MHTML ) or a zip file contain ing the HTML, st yleshee ts and i mages.
User’ s Guide – versio n 3.5 NetFlo w Track er 68 E xecutive Reports An exe cutive report i s a pre -configur ed te mpla te that con tains o ne or m ore rep orts or charts and user -defi ned H TML con tent. Th ey can be us ed to pr ovide e asy acces s to often-u sed repor ts or t o group rela ted re ports to gether o n one pa ge.
User’ s Guide – versio n 3.5 NetFlo w Track er 69 A HTML cel l has a C SS styl e that is used to c ontrol its appear ance. Th ree st andard styles are offer ed – “ Repor t Title” produce s a.
User’ s Guide – versio n 3.5 NetFlo w Track er 70 An Example Exe cutive Report – Top Applications Today an d This Week This r eport co ntains two s ub repo rts, one showing top ap plica tions f or a dev ice over the last 24 hours and the other ov er 7 da ys.
User’ s Guide – versio n 3.5 NetFlo w Track er 71 T he four th row c onsists of a si ngle s ub-re port cell containi ng the chart le gend for the firs t sub-re port. N o inter active c ontrol s are s upport ed. Si mply se lect “Tod ay” as the repor t, “Leg end” as the onl y secti on, and d eselec t all con trols.
User’ s Guide – versio n 3.5 NetFlo w Track er 72 IP Application Names NetFlow Tracke r recei ves appli cation info rmati on in the for m of a pro tocol nu mber and port nu mber.
User’ s Guide – versio n 3.5 NetFlo w Track er 73 AS Names T his page le ts yo u assign na mes to A S numbers appe aring in report s. AS numbe rs below 34 816 are a ssigned by several a gencie s; NetFlo w Track er comes wi th many of these ASes already named.
User’ s Guide – versio n 3.5 NetFlo w Track er 74 • Stor e real- time d ata for allows you to ch ange th e numbe r of da ys full r eal-ti me dat a is stor ed for. You can re duce t his to s ave dis k spac e, or in crease i t if you ar e sur e you have enough free sp ace.
User’ s Guide – versio n 3.5 NetFlo w Track er 75 Archiving NetFlow Tracke r can be config ured t o archiv e real- time d ata olde r than t he ag e config ured i n Database Settings to a nominated location rather than delete it.
User’ s Guide – versio n 3.5 NetFlo w Track er 76 N etF low D ata Rece ived This co unter sh ows th e numbe r of exp orts and the amo unt of N etFl ow data recei ved by the sof tware fr om ea ch devi ce. Note that th is is n ot the am ount of tr affic d escrib ed by the expo rts but th e LAN traffic generated by the exports t hemselves.
User’ s Guide – versio n 3.5 NetFlo w Track er 77 N o In Interface If flow s arriv e with no i n interfa ce it may i ndica te a conf igur ation pr oblem o n a Catal yst switch .
User’ s Guide – versio n 3.5 NetFlo w Track er 78 Appendix 1: Device C onfiguratio n This is a brief gui de to se ttin g up NetFlo w on va rious ty pes of devi ce. Not e that if your device isn’t listed here it does n ot mean it is not support ed by NetFlo w Tracker; plea se ask your devi ce vendor for a g uide to en abling Net Flow.
User’ s Guide – versio n 3.5 NetFlo w Track er 79 i p flow-cache timeout active 1 This b reaks up long-l ived f lows i nto one-mi nute s egme nts. ip flow-cache timeout inactive 15 This ensures that flows that have finished are exp orted in a timely manner.
User’ s Guide – versio n 3.5 NetFlo w Track er 80 E nabl ing NetF low Expor t on a 400 0 Serie s Swit ch The 400 0 and 4500 se ries switc hes requ ire a S upervisor IV with a NetFl ow Service s daught er card (WS-F 453 1), or a Sup ervis or V, an d IOS v ersi on 12.
User’ s Guide – versio n 3.5 NetFlo w Track er 81 m ls flow ip interface-full mls nde interface or mls flow ip full If you hav e a Super visor E ngine 2 or 720 runni ng IO S versi on 12.1.13( E) or higher the firs t two co mmands are req uired t o put i nterf ace and r outing inform ation i nto the NetFl ow Expor ts.
User’ s Guide – versio n 3.5 NetFlo w Track er 82 Con figuri ng ND E on a CatO S Dev ice A layer 3 switc h runnin g CatOS appea rs as t wo devices; t he MS FC can be co nfigu red to exp ort Ne tFlow infor matio n on al l the pa ckets it route s by f ollow ing the ins tructio ns for conf igurin g an IOS device above.
User’ s Guide – versio n 3.5 NetFlo w Track er 83 Configuring Ne tFlow Input Filters f or Traffic Class Repo rting IOS ver sions 12.2( 25)S, 12.2(27) SBC and 12.3(4 )T and gr eater supp ort th e NetFlow Input F ilters feature , whic h can be us ed by Ne tFlow Tracke r to re port up on t he traffi c class used to ro ute e ach flow .
User’ s Guide – versio n 3.5 NetFlo w Track er 84 T o ensure that NetFlow Tracker receives enough information from the device you must ensure that the “Loo k Communi ty Str ing” con figur ed i.
User’ s Guide – versio n 3.5 NetFlo w Track er 85 Appendix 2: CSV File Format Every s tandar d char t and tabul ar r eport c an be con ver ted to com ma-sep arat ed-v alue format f or imp orting i nto a d atabas e serv er or s preadsh eet. Chart CSV format Each se ction is separ ated b y a row of “ =” sign s.
User’ s Guide – versio n 3.5 NetFlo w Track er 86 Append ix 3: XM L For mat Every s tandar d char t and tabul ar r eport c an be con ver ted to XML for us e in exter nal softwa re. The XML schemas a re provid ed in th e xml subfol der underne ath the fo lder where Net Flow Trac ker is i nstal led.
User’ s Guide – versio n 3.5 NetFlo w Track er 87 Appen dix 4: Thi rd Part y Softwar e Compo nents This p roduct i ncludes soft ware d evel oped by the Apache Softw are Fou ndatio n ( http: //www. apache .org / ). This p roduct i ncludes soft ware d evel oped by Advant ys ( http: //ww w.
User’ s Guide – versio n 3.5 NetFlo w Track er 88 j spSm artUp load NetFlow Tracke r incl udes js pSmar tUpload 2.1 whi ch is no longe r availab le. T his is distr ibuted u nder t he Adv antys F reewar e licens e contr act, a copy of w hich is availab le at h ttp: //web.
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