Span Configuration

Unanswered Question
May 5th, 2008
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I have configure my 3750 switch for span. In this switch my IPS 4255, Internet router and Pix firewall is connected.


Below mention is the span configuration


monitor session 1 source interface Gi1/0/1 - 3

monitor session 1 destination interface Gi1/0/5


now the problem is the that IPS capturing traffic twice once while going out and once while coming in.


I wana know how to configure monitor session that it only capture traffic that is coming from Internet. Not traffic that


is originating from inside of the network.



In switch port 1 Internet router is connected, port 2 is for firewall and three is for concentrator.



I m confuse about the span port configuration either Rx or Tx. Right it is both Rx and Tx.




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rhermes Mon, 05/05/2008 - 07:52
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You can specify the direction you want to captire traffic in your "monitor session" command. The default is both Receive and Transmit. Thy this version of your command:

monitor session 1 source interface Gi1/0/1 - 3 r



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