Have a question about monitoring a port on 4500, command is
"monitor session 1 source interface Gi3/5
monitor session 1 destination interface Gi7/46", The sniffer is on 7/46 and monitoring server is on 3/5.
But I looked at the capture session, there are some session (unicast) even destination IP is not the server are captured ? My understanding is only source or destication IP/MAC of the server are captured on port 3/5, but why I can see other sessions?
Yes, I think I should capture only packets/session are broadcasts/multicast or the unicast which source or destination is the server on that port, but my problem is besides above packet, I also captured lots session which are not brodcast/multicast, they are unicast and both the source or distication are not that server?
My server is 10.1.1.1/24 on port g3/5, but on that port I captured
I think this session does not have any relation with server 10.1.1.1, why I can see them on port g3/5?
Strange ? Because switch should maintain a MAC -port table that only destination MAC belong to that port are forwarding
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
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