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NetFlow Tracker

1. pressing Next gt again Customer information You will be asked to provide your name and company name and whether to install the software just for yourself or for every user that logs in to the system If you choose to install the software just for yourself only you will see the shortcut to the web front end and only you will be able to uninstall the software Setup type If you choose Complete NetFlow Tracker will be installed to the folder nftracker on your system drive MySQL to the folder MySQL on the same drive and the internal web server will run on port 80 if available If port 80 is unavail able you will be prompted to choose another If you want to change the install folders or choose a different port even if 80 is available you must choose Custom Ready to install Click Install to start Installation should take no more than a few minutes if it appears to have stopped for a long time you should contact Fluke Networks When installation is com plete you can click Finish to close the install program Accessing the web front end The install program will have placed a shortcut to the web front end in a folder called NetFlow Tracker in the Programs section of your start menu Post installation tasks Access the web front end You can access the web front end from any workstation on the network by opening the following address in a web browser http address po
2. NetFlow Tracker Quick Install Guide for Product Evaluations Pre installation and installation tasks Minimum system requirements The type of system required to run NetFlow Tracker depends on the number of devices sending NetFlow information to it and the amount and nature of traffic handled by those devices The following requirements are a guideline the only way to determine your requirements is by testing the software s performance in your network environment Note NetFlow Tracker requires a dedicated server with no other applications or spurious system processes running Refer to the document NetFlow Tracker performance and scalability information available at www flukenetworks com for full system requirements e Single processor 2 Ghz Pentium IV or Xeon class although multiple processors can improve the performance of most reports 1 GB RAM although performance will increase with the amount of RAM available for the disk cache and database buffers High performance disk subsystem with substantial free space the exact nature of this is dependent on system load For all but the lightest of loads a server RAID card running RAID 5 over at least three high performance disks is recommended NetFlow Tracker stores and queries full information for a week a busy enterprise router can generate in the order of 20 GB of NetFlow information in this time Operating system support e Microsoft Windows 2000 or above server versions will
3. g gt routerC config interface FastEthernet0 0 routerCconfig ip flow ingress routerCconfig ip flow egress Application Note Use the IP address of your NetFlow Tracker and configured listening port Port 2055 default If your router uses BGP protocol you can configure AS to be included in exports with the command routerCconfig ip flow export version 5 peer as origin as or routerCconfig ip flow export version 9 peer as origin as The following commands should be included in all configurations They break up flows into one minute segments and ensure flows are exported in a timely manner routerCconfig ip flow cache timeout active 1 routerCconfig ip flow cache timeout inactive 15 You will need to enable NetFlow on each interface you would like to track traffic flow this will normally be the Ethernet and WAN interfaces Note There are several commands to enable NetFlow on an interface and you must use the same command for every interface IP route cache flow and IP flow ingress enable NetFlow for inbound traffic on the interface the only difference between the two is that the latter can be applied to individual sub interfaces whereas the former must be applied to the physical interface Be careful not to enable NetFlow for both a physical interface and one or more of its sub interfaces IP flow egress enables NetFlow for outbound traffic on the interface and is required if you are using inp
4. low Tracker server installation Given the popularity of Cisco Systems Router and Switch equipment we have included below the generic NetFlow IOS com mands for your information Sample Cisco IOS NetFlow commands Router IOS 12 2 or 12 3 code we recommend the following routerCconfig ip cef routerCconfig ip flow export source Loopback Must be a valid addressed interface routerCconfig ip flow export version 5 routerCconfig ip flow export destination lt ip address gt lt Port gt routerCconfig snmp server community lt community string gt routerCconfig interface Ethernet0 0 routerCconfig ip route cache flow Router IOS 12 4 code we recommend the following routerC config ip cef routerCconfig ip flow export source Loopback Must be a valid addressed interface routerCconfig ip flow export version 9 routerCconfig ip flow export destination lt ip address gt lt port gt routerC config snmp server community lt community string gt routerCconfig interface FastEthernet0 0 routerCconfig ip flow ingress Router IOS 12 4 code and you wish to monitor only ONE interface we recommend the following routerCconfig ip cef routerCconfig ip flow export source Loopback Must be a valid addressed interface routerCconfig ip flow export version 9 routerCconfig ip flow export destination lt ip address gt lt port gt routerCconfig snmp server community lt community strin
5. provide better performance due to more advanced disk caching and memory manage ment 64 Bit OS is not recommended at this time Application Note e Any modern Linux distribution capable of running Java 1 4 2 and MySQL 5 0 Intel compatible processors Not supported for trial systems Installation on Microsoft Windows Installation is straightforward and should take no more than a few minutes If you received NetFlow Tracker on CD the setup program should start automatically If not simply open the CD drive in My Computer and double click setup exe If you downloaded the software simply double click the file you downloaded Installation involves several steps At each step you can click the Next gt button to accept the default choices and continue Java Runtime Environment installation If the server does not have the required version of the Java Runtime Environment installed you will be prompted to press OK to install it It will take several seconds to launch the Java installer after which you must accept Sun s licence agreement You will then be given the choice of Typical or Custom installation if you wish not to have your web browser configured to use Sun s Java plug in you must choose custom installation Welcome and licence agreement Once the Java Runtime Environment is installed you can press the Next gt button to view Fluke Networks licence agreement which you must agree to before
6. rm reports Should be less than two hours e Real time DB maintenance amount of time to purge the real time database and to update the archives should be less than one hour Recommended initial memory settings Memory server 1GB 1 5GB 2GB 3GB memory Initial 64 128 128 256 284 384 384 384 max memory Recommended initial database settings Expect large Auto Auto Auto Auto results sets Max in memory temp table size Sort buffer size hee Store 10 minutes Store 1 Store 1 hour Store 1hour 999 999 999 999 stow stows 0 0 0 0 swerms o 0 0 0 swr o o o 0 ezes of o o 0 All options above accessed via main menu gt settings gt memory settings main menu gt settings gt listener ports main menu gt settings gt database settings Application Note Setting up your IP Flow network devices NetFlow Tracker is compatible with many IP Flow variants supported by many vendors including 3Com Alcatel Cisco Enterasys Expand Extreme Force10 Foundry HP Huawei Juniper Nortel Packeteer Riverbed The Flow standards supported are NetFlow V1 V5 V7 V9 IPFIX emerging standard jFlow cFlowd NetStream and sFlow from NetFlow Tracker V3 5 Please consult with your specific equipment vendor for the specific hardware and software platforms that support these IP Flow protocols and for the appropriate commands required to configure and invoke them to point to your new NetF
7. rt where address is the address of the server and port is the http port you chose or 80 if you accepted default settings Note that the web browser must support Java applets when you installed the Java Runtime Environment it will have set up any browsers on the server with this capability but you may find that other machines on your network do not display applets correctly especially those running Windows XP You can easily down load the Java Plug in from http www javasoft com if you find a browser that does not support Java applets Open the settings page The first thing you ll see when you access the web front end is a splash screen displaying the product version and your licence details This will disappear after a few seconds or you can click anywhere on the page to dismiss it You can then click on Settings Install your licence If you have a full or trial licence you should install it using the licensing settings page Application Note Set up SNMP community strings If any of the devices you intend to be monitoring do not use a read only SNMP community of public you will need to add their communities to the list in SNMP settings Recommended system changes and performance information e Average sample storage duration the amount of time to store a one minute bucket of data into the database Should be less than 20 seconds e Long term DB maintenance the amount of time taken to generate long te
8. ut filters You may enable NetFlow for both inbound and outbound traffic on a single interface if you are interested only in its traffic in this case ensure that no other interface has NetFlow enabled ip route cache flow or ip flow ingress or ip route cache cef bandwidth lt kbps gt Now write your configuration with the write mem or copy run start commands The command below shows the current configuration routerCconfig show ip flow export When in enabled mode you can see current NetFlow cache with the following commands routerCconfig show ip cache flow routerCconfig show ip cache verbose flow Further information and support 1 Consult with your local Fluke Networks account manager sales engineer or reseller team Refer to the current NetFlow Tracker user manual available on request Refer to the online training and product documentation available at VISION http www flukenetworks com netflowtracker Contact support flukenetworks com

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