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Configuring the BPDU Destination MAC Address

A provider network can bridge the customer STP BPDU packets between customer sites by default. Simultaneously the provider network can prevent forwarding loops using STP in the provider network.

To configure a bridge to participate in the provider RSTP instance, include the following statement:




bpdu-destination-mac-address provider-bridge-group;

You can include this statement at the following hierarchy levels:

[edit protocols rstp]
[edit routing-instances routing-instance-name protocols rstp]

When the provider-bridge-group option is specified, the destination MAC address of the BPDU packets transmitted is the provider bridge group address 01:80:c2:00:00:08, as defined in the IEEE 802.1ad specification. Received BPDU packets with this destination MAC address are accepted and passed to the Routing Engine.

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