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Create SPAN for multiple VLAN's to one destination port on Cisco Catalyst 2900 Switch.

Posted on 2014-03-28
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Last Modified: 2014-04-01
Hi,

We have a Cisco Catalyst 2900 XL switch with about 10 different VLAN's on it. We would like to be able to create a SPAN so that all 10 of these VLAN's go to one destination port for our IDS to monitor. Is this possible on the Catalyst? How would I configure this?

Thank you
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Question by:OAC Technology
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Soulja earned 2000 total points
ID: 39963695
just make the vlans your source in your monitor session:

Switch1(config)#monitor session 1 source vlan 1 - 100 rx

The example above will monitor vlans 1 through 100.

Use commas if if you want to do something like:

Switch1(config)#monitor session 1 source vlan 1,5,8,15 rx
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by:OAC Technology
ID: 39969157
Oh, okay. So I can monitor multiple VLANS and output it to a single port?
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Expert Comment

by:Soulja
ID: 39969330
Yes you can.
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by:OAC Technology
ID: 39969337
Perfect, that is exactly what I need.
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