Configure Route Aggregation
Route aggregation is the process of combining the characteristics of
several routes so that they are advertised as a single route. Aggregation reduces the amount
of information that a BGP (Border Gateway Protocol) speaker must store and exchange with
other BGP speakers. Reducing the information that is stored and exchanged also reduces the
size of the routing table.
-
To enable or disable BGP route aggregation, use the
following commands:
enable bgp
aggregation
disable bgp
aggregation
-
To create or remove aggregate routes, use the following
commands:
configure
bgp add aggregate-address {address-family [ipv4-unicast | ipv4-multicast | ipv6-unicast
| ipv6-multicast]} ipaddress/masklength
{as-match | as-set} {summary-only} {advertise-policy policy} {attribute-policy policy}
configure
bgp delete aggregate-address {address-family [ipv4-unicast | ipv4-multicast |
ipv6-unicast | ipv6-multicast]} [ip
address/masklength | all]
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