Alcatel-Lucent OmniAccess 700, Руководство по настройке CLI

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Protocol Independent Features
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450
Beta Beta
CLI Configuration Guide
Alcatel-Lucent
Example of redistribution of RIP into OSPF using route-map:
In the following example, routes from RIP are redistributed to OSPF only if route is
not matched with the prefix list ‘test’. All the redistributed routes will have metric
type set to ‘type-1’.
ALU(config)# router ospf 1
ALU(config-router ospf 1)# redistribute rip 1 route-map rip-to-
ospf
ALU(config-router ospf 1)# default metric 10
Each Route-map has number. In this example, route-map rules have sequence
numbers 10, 20. Sequence numbers allow you to do these actions:
•
Easily delete one specific route-map rule
•
Insert a new route map rule between two existing route-map sequences.
•
Route-maps can have permit and deny action.
•
If route matches match criteria in route-map then route-map action is performed.
So if result is permit we allow redistribution of routes.
•
If one route-map sequence number is not matched then next sequence number of
the route-map is evaluated.
Each route-map has two sets of configuration:
•
match: Applies this match criteria for the route.
•
set: If match criteria is permit then it modifies the routing information as per set
rules
So for each redistribution command, the router first evaluates the match
command of a route-map. If the match criteria succeeds, then the route is
redistributed or rejected as per route-map action. Then using set commands
router change the routing information,
•
To redistribute route or to perform set action, all the match criteria should be
satisfied.
•
If a set command is not present in a route-map, then the route is redistributed
without modification of its current attributes.