RE: any difference between these two?

From: Darrin K. Pierce (darrin@dkpierce.com)
Date: Mon Feb 19 2007 - 18:26:01 ART


If you slightly change your configuration, you can take advantage of some
minor differences depending upon what you are trying to troubleshoot:

Router(config)# monitor session 1 source interface f0/10 rx

 - Shows packets before switch processing is performed.

Router(config)# monitor session 1 source interface f0/10 tx

 - Shows packets after switch processing has been performed

For example, packets that the switch drops because of an ACL are seen in a
"rx" monitor session but not in the "tx" monitor session.
 - "monitor session 1 source vlan 120 , 130" only monitors "rx"

http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12225see/scg/swspa
n.htm

Darrin

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Michael Zuo
Sent: Saturday, February 17, 2007 10:22 PM
To: ccielab@groupstudy.com
Subject: any difference between these two?

Hi group,

I was wondering if the following two are equivalent (assuming interface
f0/10 is a trunk port and vlan 120/130 are not pruned from that port)?
Any subtle differences?

Config 1:

monitor session 1 source vlan 120 , 130

Config 2:

            monitor session 1 source f0/10

            monitor session 1 filter vlan 120, 130

thanks in advance...



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