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Configuration Command Summary
Refer to Additional BGP Configuration on page 12 for more detailed information on the
commands referenced in the table above.
Table 7. Filtering Routes and Applying Attributes with Route Maps
Step 1
Command
(config)#route-map [deny | permit]
Description
Creates a route map and enters the Route
Map Configuration mode. Range is 1 to
4294967295.
Step 2
(see note)
Select routes for the BGP interface to advertise outbound or filter inbound using the match
commands.
(config-route-map)#match ip address
prefix-list
(config-route-map)#match ip address
(config-route-map)#match as-path
(config-route-map)#match community
[exact-match]
(config-route-map)#match metric
Filters according to a prefix list.
Filters according to an IPv4 ACL.
Filters according to AS path.
Filters according to a community list.
Filters according to metric.
Step 3
(Optional)
Apply attributes to the route using the set commands.
(config-route-map)#set as-path prepend
[last-as]
(config-route-map)#set metric
(config-route-map)#set local-preference
Prepends AS hops to the selected
route(s). The last-as keyword is optional
and specifies to repeat the last AS in a
route up to 10 times.
Specifies a MED value. Range is 0 to
4294967295.
Specifies a local-preference value. Range
is 0 to 4294967295.
Step 4 (config-route-map)#exit Exits Route Map Configuration mode.
Step 5 (config)#router bgp Enters BGP Configuration mode. Range is
1 to 4294967295.
Step 6 (config-bgp)#neighbor Enters BGP Neighbor Configuration mode
for the neighbor to which the route map is
to be applied.
Step 7 (config-bgp-neighbor)#route-map [in |
out]
Applies the route map to a BGP neighbor
and specifies whether it is to be applied to
inbound or outbound routes.
Step 8 (config-bgp-neighbor)#do write Saves the configuration.
61200860L1-29.4E Copyright © 2012 ADTRAN, Inc. 61