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Chapter 12 Avaya P330 Layer 3 Features
134 Avaya P334T-ML User’s Guide
Static Routing Configuration
Static Routing Overview
When dynamic routing protocols (RIP or OSPF) are not appropriate, you can
manually configure static routes to indicate the next hop on the path to the final
packet destination.
A static route becomes inactive if the interface over which it is defined is disabled.
When the interface is enabled, the static route becomes active again. They are never
timed-out, or lost over reboot, and can only be removed by manual configuration.
Deletion (by configuration) of the IP interface deletes the static routes using this
interface as well.
Static routes can only be configured for remote destinations, i.e. destinations that
are reachable via another router as a next hop. The next hop router must belong to
one of the directly attached networks for which the P330 has an IP interface. “Local”
static routes, such as those that have no next hop, are not allowed.
Two kinds of static routes can be configured:
• High Preference static routes which are preferred to routes learned from any
routing protocol
• Low Preference static routes which are used temporarily until the route is
learned from a routing protocol. By default, a static route has Low Preference.
Static routes can be advertised by routing protocols (i.e., RIP, OSPF) as described
under Route redistribution.
Static routes also support load-balancing similar to OSPF. A static route can be
configured with multiple next hops so that traffic is split between these next hops.
This can be used for example to load-balance traffic between several firewalls which
serve as the default gateway.
Static Routing Configuration CLI Commands
In order to... Use the following command...
Establish a static route ip route
Remove a static route no ip route
Set the maximum number of route
entries in the routing table
ip max-route-entries
Set the maximum number of route
entries in the routing table to the
default value
no ip max-route-entries