
Configuring BGP Services
5-13
You set values in BGP-4 accept and announce policy parameters to match and, in
some cases, override the attribute values contained in inbound and outbound
update messages.
For details about BGP-4 accept policy parameters, see “BGP-4-Specific Accept
Policy Parameters” on page 9-17.
For details about BGP-4 announce policy parameters, see “BGP-4-Specific
Announce Policy Parameters” on page 9-41.
Aggregator Optional attribute identifying which AS performed the
most recent route aggregation. The attribute contains
the last AS number that formed the aggregate route
followed by the IP address of the BGP speaker that
formed the aggregate route.
Route Clusters Optional attribute listing the route clusters that may
be traversed to reach a given destination.
Advertiser Optional attribute identifying which border router
injected the route.
Table 5-2. BGP-4 Optional Path Attributes
(continued)
Attribute Description
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