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Community Member

top talkers

Hi

I have terminated the point to point link on 3550 switch.

Is there any way to obsreve top talkers on switch

on router i have excuted the command

ip flow-top-talkers

top 200

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Hall of Fame Super Gold

top talkers

sh ip flow top

top talkers

hey leo,

i've tried this on one our 1941 but i'm getting an error. do you know what i'm missing?

1941(config)#ip flow-top-talkers

1941(config-flow-top-talkers)#sort-by bytes

1941(config-flow-top-talkers)#cache-timeout 60000

1941(config-flow-top-talkers)#exit

1941(config)#int g0/1

1941(config-if)#ip flow ingress

1941(config-if)#ip route-cache

1941(config-if)#do show ip flow top

% Top talkers not configured

Cisco Employee

top talkers

Hi John,

Did you configure "top 200" command on 1941?

Kind Regards,
Ivan

**Please grade this post if you find it useful.

Kind Regards, Ivan Shirshin **Please grade this post if you find it useful.

top talkers

whoops! i forgot that line. thanks! +5

i was following leo's thread and missed it.

https://supportforums.cisco.com/message/3640049

Community Member

top talkers

Hi Ivan,

Is it supported on 3500 or 3750 ?

Cisco Employee

top talkers

Hi Prashant,

3750 and 3560 switches do not support netflow, but there is a service module which can be inserted into 3750X and this supports Flexible Netflow (FNF). The commands are available but  will not work unless the module is installed.

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/data_sheet_c78-584733.html

The netflow support matrix can be seen in table 1 here:

http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6555/ps6601/prod_white_paper0900aecd80406232.html

Kind Regards,
Ivan

**Please grade this post if you find it useful.

Kind Regards, Ivan Shirshin **Please grade this post if you find it useful.
Cisco Employee

top talkers

Glad it works, John :-) Thanks for rating the post.

Kind Regards, Ivan Shirshin **Please grade this post if you find it useful.
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