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Operation Manual – QinQ-BPDU TUNNELH3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunneling Configuration2-6# Configure BPDU transparent transmission on GigabitEthernet 1/0/1. system-view[ProviderA] interface GigabitEthernet 1/0/1[ProviderA-GigabitEthernet1/0/1] port access vlan 2[ProviderA-GigabitEthernet1/0/1] stp disable[ProviderA-GigabitEthernet1/0/1] undo ntdp enable[ProviderA-GigabitEthernet1/0/1] bpdu-tunnel dot1q enable[ProviderA-GigabitEthernet1/0/1] bpdu-tunnel dot1q stp2) Configuration on Provider B# Configure BPDU isolation on GigabitEthernet 1/0/2. system-view[ProviderB] interface GigabitEthernet 1/0/2[ProviderB-GigabitEthernet1/0/2] port access vlan 4[ProviderB-GigabitEthernet1/0/2] undo ntdp enable[ProviderB-GigabitEthernet1/0/2] bpdu-tunnel dot1q enable3) Configuration on Provider C# Configure BPDU transparent transmission on GigabitEthernet 1/0/3. system-view[ProviderC] interface GigabitEthernet 1/0/3[ProviderC-GigabitEthernet1/0/3] port access vlan 2[ProviderC-GigabitEthernet1/0/3] stp disable[ProviderC-GigabitEthernet1/0/3] undo ntdp enable[ProviderC-GigabitEthernet1/0/3] bpdu-tunnel dot1q enable[ProviderC-GigabitEthernet1/0/3] bpdu-tunnel dot1q stp# Configure BPDU transparent transmission on GigabitEthernet 1/0/4.[ProviderC-GigabitEthernet1/0/3] quit[ProviderC] interface GigabitEthernet 1/0/4[ProviderC-GigabitEthernet1/0/4] port access vlan 2[ProviderC-GigabitEthernet1/0/4] stp disable[ProviderC-GigabitEthernet1/0/4] undo ntdp enable[ProviderC-GigabitEthernet1/0/4] bpdu-tunnel dot1q enable[ProviderC-GigabitEthernet1/0/4] bpdu-tunnel dot1q stpNote:When STP works stably on the customer network, if Customer A acts as the root bridge,the ports of Customer C and Customer D connected with Provider C can receiveBPDUs from Customer A. Since BPDU isolation is enabled on Customer B, the portthat connects Customer B to Provider B cannot receive BPDUs from Customer A. |
