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aggregate-address
c e
s
t
Syntax
Parameters
Defaults
Command Modes
Usage
Information
Command
History
394
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Border Gateway Protocol IPv4 (BGPv4)
Summarize a range of prefixes to minimize the number of entries in the routing table.
aggregate-address ip-address mask [advertise-map map-name] [as-set] [attribute-map
map-name] [summary-only] [suppress-map map-name]
ip-address mask
advertise-map
map-name
as-set
attribute-map map-name
summary-only
suppress-map
map-name
Not configured.
ROUTER BGP Address Family (conf-router_bgp_af)
At least one of the routes included in the aggregate address must be in the BGP routing table for the
configured aggregate to become active.
Do not add the as-set parameter to the aggregate. If routes within the aggregate are constantly
changing, the aggregate will flap to keep track of the changes in the AS_PATH.
In route maps used in the suppress-map parameter, routes meeting the deny clause are not
suppress; in other words, they are allowed. The opposite is true: routes meeting the permit clause are
suppressed.
If the route is injected via the
summary-only parameter is configured in the
The summary-only parameter suppresses all advertisements. If you want to suppress advertisements to
only specific neighbors, use the
Version 7.8.1.0
Introduced support on S-Series
Version 7.7.1.0
Introduced support on C-Series
Enter the IP address and mask of the route to be the aggregate address.
Enter the IP address in dotted decimal format (A.B.C.D) and mask in /
prefix format (/x).
(OPTIONAL) Enter the keywords
name of a configured route map to set filters for advertising an aggregate
route.
(OPTIONAL) Enter the keyword
information and include it in the aggregate.
AS_SET includes AS_PATH and community information from the routes
included in the aggregated route.
(OPTIONAL) Enter the keywords
of a configured route map to modify attributes of the aggregate, excluding
AS_PATH and NEXT_HOP attributes.
(OPTIONAL) Enter the keyword
aggregate address. Specific routes will not be advertised.
(OPTIONAL) Enter the keywords
name of a configured route map to identify which more-specific routes in
the aggregate are suppressed.
network
command, that route will still appear in the routing table if the
aggregate-address
neighbor distribute-list
command.
advertise-map
followed by the
as-set
to generate path attribute
attribute-map
followed by the name
summary-only
to advertise only the
suppress-map
followed by the
command.
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