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Assigning a BGP Identifier

Each router running BGP must have a BGP identifier. This identifier is included in the BGP identifier field of open messages, which are sent between two BGP peers when establishing a BGP session.

Explicitly assigning a BGP identifier is optional. If you do not assign one, the IP address of the first interface encountered in the router is used.

To assign a BGP identifier explicitly, include the router-id statement:




router-id address;

For a list of hierarchy levels at which you can include this statement, see the statement summary section for this statement.

Assigning a BGP identifier is optional.

For more information, see Configuring the Router Identifier.

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