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how to config netflow

QFX527518
Level 1
Level 1

Cisco IOS Software, c7600s3223_rp Software (c7600s3223_rp-IPSERVICESK9-M), Version 12.2(33)SRB5.

how to config netflow,monitor the atm port.

1 Accepted Solution

Accepted Solutions

Hello Qing,

because

>> NDE on the PFC supports NDE versions 5, 7, and 9 for the statistics captured on the PFC

you should configure the device for using version 5 (or version 7 that is specific of catalyst platform)

the command should be:

config t

ip flow-export version 5

or ip flow-export version 7

but I strongly recommend you to read the following document to be aware of all possible side effects and limitations

http://www.cisco.com/en/US/docs/routers/7600/ios/12.2SR/configuration/guide/nde.html#wp1020457

Hope to help

Giuseppe

View solution in original post

8 Replies 8

paolo bevilacqua
Hall of Fame
Hall of Fame

Have you tried the searchbox top right corner ?

Agree with Paolo.. this is a second search..

Visit this link for general overview of netflow if you indeed trying to do traffic accouting on your router. within the link bellow see link Introduction to Cisco IOS NetFlow - A Technical Overview for configuration overview.

http://www.cisco.com/en/US/products/ps6601/products_ios_protocol_group_home.html

Jorge Rodriguez

Mohamed Sobair
Level 7
Level 7

Hi,

As Paolo Suggested, you could find an answer quickly an easily using the search tool first.

Also documentation posted should be helpful.

Config of Netflow is straight forward, You have to apply on the Interface you want the traffic flow to be seen, and if you have Netflow Managment station, you could also send Netflow traffic to the Netflow Managment station using special commands.

HTH

Mohamed

thanks.

before we use cisco 7507,and use netflow version 5.by the manageEngie netflow tools,can monitor the flow of interface and the apply flow.now,we update to cisco 7606.and under interface ,define ip flow ingress,on the globle define the ip flow-export.define the netflow version is 9.but the netflow tools cant collect the flow,on the netflow tools,we only see some router protocol packet.why?can give me some example about how to config the netflow on cisco 7600 serial router.thx.

Hello Qing,

because

>> NDE on the PFC supports NDE versions 5, 7, and 9 for the statistics captured on the PFC

you should configure the device for using version 5 (or version 7 that is specific of catalyst platform)

the command should be:

config t

ip flow-export version 5

or ip flow-export version 7

but I strongly recommend you to read the following document to be aware of all possible side effects and limitations

http://www.cisco.com/en/US/docs/routers/7600/ios/12.2SR/configuration/guide/nde.html#wp1020457

Hope to help

Giuseppe

Quin, this may help as Giuseppe pointed use version 5, this simple scrip bellow runs on mpls edge 3845 routers works great with manage engine

ip flow-export version 5

ip flow-export destination 2055

ip flow-top-talkers

top 25

sort-by bytes

interface Serial4/0

ip route-cache flow

Jorge Rodriguez

thx.on the globle config,add mls nde sender version.netflow analyer can work correctly.

Hello,

 

This is my configuration, but it doesn't export any packet. How should I do?

Configuration:

Spoiler
ip vrf management
!
mls flow ip interface-full
mls nde sender version 5
!
flow-sampler-map Sampler-PN
mode random one-out-of 2000
!
interface GigabitEthernet5/3
ip vrf forwarding management
ip address 172.18.4.10 255.255.0.0
!
interface GigabitEthernet8/26
ip flow ingress
mls netflow sampling
hold-queue 4096 in
!
ip flow-export source GigabitEthernet5/3
ip flow-export version 9 origin-as
ip flow-export destination 172.18.18.7 9902 vrf management
!
access-list 40 permit 172.18.0.0 0.0.255.255
!
snmp-server community public RO 40

1.jpg

Thank you very much.

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