Configuring Netflow

Written by Arnaud 08 january 2014 no comments

Old style :

interface Gi0/1
   ip flow ingress

 ip flow-export source Gi0/2
 ip flow-export destination 192.168.0.2 2055

New Style :

interface Gi0/1

ip route-cache flow sampled

ip route-cache distributed

ip flow-export version 5

ip flow-export destination 192.168.0.2 2055

ip flow-sampling-mode packet-interval 100

http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/12s_sanf.html

Or even :

flow-sampler-map SAMPLER
 mode random one-out-of 100

ip flow-export version 5
ip flow-export destination 192.168.0.2 2055

interface Gi0/1
 flow-sampler SAMPLER

http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/nfstatsa.html

Debug :

show ip flow sampling
sh ip flow export