Remote SPAN (monitor session)

Unanswered Question
Apr 2nd, 2008
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Hi Experts,

I would like to set up monitor session from one destination which on 2950 Switch A.

How can I configure my Source Monitor Session at different 2950 switch but connected to the same Distribution 3750 switch?


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Overall Rating: 5 (1 ratings)
Danilo Dy Wed, 04/02/2008 - 22:06
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Take note of the switch that do NOT support SPAN/RSPAN

If you can post the diagram of the connectivity showing the switch connections and the source and destination ports, that would be better.



david-flores Fri, 04/04/2008 - 06:09
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Hi, I tried implementing rspan in my network that has 2 6509 switches, on 6509A, I put the following:

monitor session 1 Source VLan 10

monitor session 1 destination remote vlan 99

I just created remote span vlan99 for this only. I am trunking to 6509B, and I added this command

monitor session 1 source remote vlan 99

monitor session 1 destination interface f1/1

F1/1 is where my IDS sits.

However, the commands that I entered on 6509A caused my network monitor server(solarwinds) to lose ping connectivity to randoms switches in my network management vlan interfaces. The monitor server does happen to sit in vlan 10.

Any ideas why this may happen? FYI, I do use default vlan1 for management of all my switches, we have approx 100.



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