At 06:29 PM 2/22/01, [EMAIL PROTECTED] wrote:

>   HI all
>
>     I have a problem here, I am running  all my computers and servers to my
>switch. I have E1 open open on my Cisco 4000 router, I would like to
>configure my E1 interface so I can put my Sniffer on that interface, so I can
>capture all the packet comimg and going?

If by "open" you mean that your Ethernet 1 port is not currently in use, 
then there aren't any packets coming and going on it. You wouldn't see 
anything on the port. I guess you could configure it for bridging and then 
you would at least see broadcasts, but that seems like a silly idea.

It sounds like you're wishing for something like a SPAN port. Keep in mind 
that SPAN is for switching, not routing.

Your best bet might be to install a hub between your switch and router. 
Connect the switch, router, and Sniffer to the hub and you'll see lots of 
good stuff. (I'm assuming your switch is directly connected to your router??)

Hope that makes sense. Without more knowledge of your topology it's hard to 
make any other suggestions.

Priscilla

>  Can someone tell me what is the
>pro's and con's of doing this and where I can find a sample configuration to
>setup the e1 interface.
>
>Thanks
>
>Brian
>
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________________________

Priscilla Oppenheimer
http://www.priscilla.com

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