monitor a remote span vlan and a local vlan on the same switch

Unanswered Question
Feb 23rd, 2010

Hello ,

I need to monitor a remote span vlan and a local vlan to the same local interface  on  a 6509  switch .

When i have used monitor session source command , i  could not

add them both .

I also could not do it with two monitor sessions (  one for remote span vlan and one for the other local vlan )

to the same destination interface .

How can I do it  ?

Best Regarads ,

I have this problem too.
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Giuseppe Larosa Mon, 03/01/2010 - 13:02

Hello David,

this looks like a dead lock.

there is no way for you to setup two different sniffers?

Hope to help

Giuseppe

Ganesh Hariharan Tue, 03/02/2010 - 00:04

Hello ,

I need to monitor a remote span vlan and a local vlan to the same local interface  on  a 6509  switch .

When i have used monitor session source command , i  could not

add them both .

I also could not do it with two monitor sessions (  one for remote span vlan and one for the other local vlan )

to the same destination interface .

How can I do it  ?

Best Regarads ,

Hi David,

Check out the below link for pre -requiste for spanin cisco 6500 series switches.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.1E/native/configuration/guide/span.html#wp1032979

Hope that Help !!

Ganesh.H

Kevin Dorrell Tue, 03/02/2010 - 00:18

You could try this, but I don't know whether it works.  I know the switch allows it, but I didn't have a look at the output to check it.

monitor session 1 source remote vlan 40

monitor session 1 destination interface F6/12

monitor session 2 source interface F6/11

monitor session 2 destination remote vlan 40

I reckon interface F6/12 should show the traffic on the RSPAN VLAN, plus interface F6/11.

Kevin Dorrell

Luxembourg

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