Figure 16: Setting a Static Default Route
ip route
Use to establish static routes.â–
â– Use the no version to remove static routes.
â– See ip route.
neighbor
default-originate
â– Use to cause a BGP speaker (the local router) to send the default route 0.0.0.0/0
to a neighbor for use as a default route.
â– Use the route-map keyword to specify outbound route maps to apply to the
default route. The route map can modify the attributes of the default route.
â– If you specify a BGP peer group by using the peerGroupName argument, all the
members of the peer group inherit the characteristic configured with this
command. You cannot override the characteristic for a specific member of the
peer group.
â– Outbound policy configured for the neighbor (using the neighbor route-map
out command) is not applied to default routes that are advertised because of the
neighbor default-originate command.
â– This command takes effect immediately.
â– Use the no version to prevent the default route from being advertised by BGP.
Use the default version to remove the explicit configuration from the peer or
peer group and reestablish inheritance of the feature configuration.
â– See neighbor default-originate.
Setting the Minimum Interval Between Routing Updates
You can use the neighbor advertisement-interval command to set the minimum
interval between the sending of BGP updates. Lower values for the advertisement
interval cause route changes to be reported more quickly, but may cause routers to
use more bandwidth and processor time.
In the following example, the minimum time between sending BGP routing updates
is set to 5 seconds:
host1(config)#router bgp 100
host1(config-router)#neighbor 10.2.2.2 advertisement-interval 5
neighbor advertisement-interval
58 â– Advertising Routes
JUNOSe 11.1.x BGP and MPLS Configuration Guide
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