you cant have bpdu on trunk ports, ensure you have spanning tree enabled, also check for any un-managed switches connected as they are a pain in the backside.
Hi, I am fairly confident that BT uses PPPOe and vrigin use PPPOa. You need to ensure the username is correct and the password is correct, also check the authenication type is CHAP or PAP usually says on the bt account. Kind regardsZak Kennedy
Tested and Working on Cisco Aironet 2602Network topologyvlan 10 - this is where the access point sits and gets its IP fromvlan 20 - Network1vlan 30 - Network2 1. First On the Switchinterface <interface name>
switchport trunk encapsulation dot1q
swi...