2801 SPAN port

Answered Question
Oct 15th, 2007

Hi,

I have to sniff the traffic from the outside interface of a remote-site router, 2801. The router has only 2 Fa ports, and they are currently occupied: one for connecting to the service provide and the other, connecting to the office LAN.

In the documentation, I've read that SPAN can be configured on 2800 only if ethernet switch module is installed.

How could I sniff the traffic on the fa0/1 (to service provider) interface with Ethereal? Is it possible at all?

Regards,

Mladen

I have this problem too.
0 votes
Correct Answer by Collin Clark about 9 years 1 month ago

You would have to place a HUB between fa0/1 and the connection to the ISP.

HTH and please rate.

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Correct Answer
Collin Clark Mon, 10/15/2007 - 05:26

You would have to place a HUB between fa0/1 and the connection to the ISP.

HTH and please rate.

mladentsvetkov Mon, 10/15/2007 - 05:30

It is quite diffucult to find a hub theese days...

I considered this option, but as a last resort solution :).

Thanks,

Mladen

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