Configuring NDE on 4000 Series Switches


 

Follow the steps below to configure NDE on a 4000 Series switches.

 

Note The 4000 and 4500 series switches require a Supervisor IV or a Supervisor Engine V with a NetFlow Services daughter card(WS-F4531) and IOS version 12.1(19)EW or above to support NDE. Or you must have the Supervisor Engine V-10GE (the functionality is embedded in the supervisor engine).

 

Configure this device as for an IOS device, but omit the ip route-cache flow command on each interface. Then issue the following command:

 

ip route-cache flow infer-fields

 

This command ensures routing information is included in the flows. You will not enter the ip route-cache flow command on each interface.

A Sample Device Configuration

The following is a set of commands issued on a 4000 Series switch to enable NetFlow version 7 and export to the machine 192.168.9.101 on port 9996 using FastEthernet 0/1 as the source interface.

 

switch>(enable)ip flow-export destination 192.168.9.101 9996
switch>(enable)ip flow-export version 7
switch>(enable)ip flow-export source FastEthernet 0/1
switch>(enable)ip flow-cache timeout active 1
switch>(enable)ip route-cache flow infer-fields

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