Spanning Ports from Multiple Layer 3 Hops Away

Answered Question
May 14th, 2008
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Has anyone had experience in spanning switch ports that are multiple Layer 3 hops away from the network sniffing workstation?

Correct Answer by Martin Parry about 9 years 1 week ago


Hi


You should look at ERSPAN. It uses a GRE tunnel to transport the traffic accross the routed network.


http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/span.html#wp1048235


Hope this helps


Martin

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