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Chapter 12 Avaya P330 Layer 3 Features
Avaya P334T-ML User’s Guide 135
Route Preferences
The routing table may contain routes from different sources. Routes to a certain
destination may be learned independently from RIP and from OSPF, and at the
same time, a static route can also be configured to the same destination. While
metrics are used to choose between routes of the same protocol, protocol
preferences are used to choose between routes of different protocols.
The preferences only apply to routes for the same destination IP address and mask.
They do not override the longest-match choice. For example, a high-preference
static default route will not be preferred over a RIP route to the subnet of the
destination.
P330 protocol preferences are listed below from the most to the least preferred:
1 Local (directly attached net)
2 High-preference static (manually configured routes)
3OSPF internal routes
4RIP
5 OSPF external routes
6 Low-preference static (manually configured routes).
Define a default gateway (router) ip default-gateway
Remove the default gateway
(router)
no ip default-gateway
Delete all the dynamic routing
entries from the Routing Table
clear ip route
Display information about the IP
unicast routing table
show ip route
Display a routing table for a
destination address
show ip route best-match
Display the static routes show ip route static
Display the number of routes
known to the switch
show ip route summary
In order to... Use the following command...