Туннель BPDU используется для прозрачной передачи BPDU (LACP, STP и т.д.) клиентов через сеть провайдера.
Пример:
Настройка SW-C1, SW-C2
lldp enable vlan 1;5 port-group 1 Interface Ethernet1/0/1 switchport mode trunk port-group 1 mode active
Настройка SW-S1, SW-S2
bpdu-tunnel multi-protocol enable bpdu-tunnel multi-protocol group test bpdu-tunnel multi-protocol default-group-mac bpdu-tunnel multi-protocol lacp bpdu-tunnel multi-protocol lldp vlan 1;10 Interface Ethernet1/0/1 dot1q-tunnel enable switchport access vlan 10 bpdu-tunnel multi-protocol group test Interface Ethernet1/0/8 switchport mode trunk switchport trunk allowed vlan 10
Проверка
SW-S1#show bpdu-tunnel multi-protocol package-statistics bpdu-tunnel Multi-protocol pkt total count: protocol pkt_encap pkt_decap lacp 340 340 lldp 341 341 bpdu-tunnel Multi-protocol group: test Ethernet1/0/1: protocol pkt_encap pkt_decap lacp 340 340 lldp 341 341 SW-S1#show bpdu-tunnel multi-protocol bpdu-tunnel Multi-protocol status : Enable bpdu-tunnel Multi-protocol user-defined protocol: name protocol_mac type value1 value2 lacp 01-80-c2-00-00-02 ETHERNETII 34825 0 lldp 01-80-c2-00-00-0e ETHERNETII 35020 0 bpdu-tunnel Multi-protocol group: name group_mac test 01-00-0c-cd-00-02 bpdu-tunnel Multi-protocol port list: port group_name Ethernet1/0/1 test
