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Configuring IPv6 Configuring Route Map Redistribution
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 page 17-21
Configuring Route Map Redistribution
It is possible to learn and advertise IPv6 routes between different protocols. Such a process is referred to
as route redistribution and is configured using the
ipv6 redist command.
Redistribution uses route maps to control how external routes are learned and distributed. A route map
consists of one or more user-defined statements that can determine which routes are allowed or denied
access to the receiving network. In addition a route map may also contain statements that modify route
parameters before they are redistributed.
When a route map is created, it is given a name to identify the group of statements that it represents. This
name is required by the
ipv6 redist command. Therefore, configuring route redistribution involves the
following steps:
1
Create a route map, as described in “Using Route Maps” on page 17-21 .
2
Configure redistribution to apply a route map, as described in “Configuring Route Map Redistribu-
tion” on page 17-25 .
Using Route Maps
A route map specifies the criteria that are used to control redistribution of routes between protocols. Such
criteria is defined by configuring route map statements. There are three different types of statements:
•
Action. An action statement configures the route map name, sequence number, and whether or not
redistribution is permitted or denied based on route map criteria.
•
Match. A match statement specifies criteria that a route must match. When a match occurs, then the
action statement is applied to the route.
•
Set. A set statement is used to modify route information before the route is redistributed into the
receiving protocol. This statement is only applied if all the criteria of the route map is met and the
action permits redistribution.
The ip route-map command is used to configure route map statements and provides the following action ,
match , and set parameters:
Refer to the “IP Commands” chapter in the OmniSwitch CLI Reference Guide for more information about
the ip route-map command parameters and usage guidelines.
Once a route map is created, it is then applied using the ipv6 redist command. See “Configuring Route
Map Redistribution” on page 17-25 for more information.
ip route-map action ... ip route-map match ... ip route-map set ...
permit
deny ip-address
ip-nexthop
ipv6-address
ipv6-nexthop
tag
ipv4-interface
ipv6-interface
metric
route-type metric
metric-type
tag
community
local-preference
level
ip-nexthop
ipv6-nexthop