The scenario is, I have 4500 as a
dhcp server, and a couple of C2960 that are configured with Gi0/1 uplink port to the concetrator, every port on the C2960s are configured as trunk, have the default vlan 1, and two separate VLANs for IP telephony and PCs. Workstations are connected trough lan port on the telephone, that is the main reason why all the ports on the switch are configured as ...