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Cisco® BGP-4 Command and Configuration Handbook (CCIE Professional Development) by William R. Parkhurst Ph.D.

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1-5. aggregate-address address mask route-map route-map-name

Syntax Description:

  • address— Aggregate IP address.

  • mask— Aggregate mask.

  • route-map-name— Route map used to modify the aggregate's attributes.

Purpose: To create an aggregate entry in the BGP table. An aggregate is created only if a more-specific route of the aggregate exists in the BGP table. This form of the aggregate-address command can be used to modify the aggregate's BGP attributes. The form of the command using the keyword route-map is equivalent to using the keyword attribute-map.

Cisco IOS Software Release: 10.0

Configuration Example: Modifying the Aggregate's Attributes

Figure 1-6 shows Router A learning two routes from Router B and two routes from Router C. Router B aggregates ...

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