NetFlow Export For Public IP on Switch

[kannan.kannan]

Hi Team,

We plan to excute "NetFlow Export For Public IP Internet Collection" on our Internet switch.

How to execute ? or recoment any otherways to exucute.

Please find the below hardware version as well model of this switch.

Kindly give solution for this issue.

Switch# sh hardware
Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 05-May-11 15:40 by prod_rel_team
Image text-base: 0x00003000, data-base: 0x02800000

Gi1/0/1 === > Connected with Firewall 1       

Gi1/0/2 === > Connected with Firewall 2

Gi1/0/3 === > Connected with Service Provider ( Internet Connectivity) Gi1/0/1 === > Connected with Firewall 1       

Thanks

Regards,

Kannan              

[Lei Tian · Accepted solution]

Hi Kannan,

Your switch 3750E doesn't support NetFlow. What you can try is SPAN the internet traffic to a software netflow generator that can convert the monitored traffic to NetFlow data. This netflow generator will send to your NetFlow collector. Check

http://www.plixer.com/blog/netflow/netflow-generators-and-sensors-p2/

http://www.ntop.org/products/nbox-2/nbox/

HTH,
Lei Tian

[kannan.kannan]

Thanks Lei Tian,

Is it possible to config on our Edge router 1002, I mean from service provider.

Thanks again

Regards,

Kannan

[Marvin Rhoads · Accepted solution]

The ASR 1002 is very capable of exporting Netflow. The configuration guide (link) explains it in some detail.