well, by default the native vlan on a trunk default (vlan 1) is not tagged with a dot1q tag. That command tells the switch to tag the native vlan on whatever trunk port it is configured.. so all vlans will carry a dot1q tag. dont know that situation ...
how many users? is it possible for someone to have flooded your mac-address-table on any of those switches, and now your switch is acting pretty much as a HUB? could you be mirroring traffic from those ports and not know? just trying to see why? It i...
you have to remember that if the router in the middle is not running BGP, unless you're doing some kind of mpls switching, most likely your packets will drop. Unless you have all the static routes possible that you need for that router in the middle....
well if the trunk port is a transit interfaces between the two hosts communicating and you're mirroring all traffic to ethereal then yes, you will see it. if they're connected on the same switch then no you should not. No reason for that traffic to l...
