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Enable switch ports to use a sniffer

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Edgar Zapata
Esteemed Contributor

Enable switch ports to use a sniffer

We want to use a protocol analyzer.
How can we setup our switches (Catalyst 2950) so all traffic is being sent to a specific switch port (where there's a PC w/protocol analyzer installed in it)
thank you.
regards.
2 REPLIES
Ron Kinner
Honored Contributor
Solution

Re: Enable switch ports to use a sniffer

What you want is called Switched Port Analyzer or SPAN for short. See:

http://www.cisco.com/en/US/products/hw/switches/ps628/products_configuration_guide_chapter09186a00801a6ba9.html

Ron
Edgar Zapata
Esteemed Contributor

Re: Enable switch ports to use a sniffer

Thanks, Ron.
The link you sent included the
"Switch(config)# monitor session 1 destination interface Fa 0/5 ingress vlan 5"
command which is exactly what I was looking for.

tnks.
regards.