Protocol Independent Features
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Alcatel-Lucent
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OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
FILTERING ROUTING INFORMATION
Sometimes it becomes necessary to advertise some route using routing protocol
and still not to send any routing traffic out of interfaces. Classical example of this
is when we run OSPF over GRE tunnel interface. In this case, site routes are
advertised. To prevent routing protocol traffic in the site network, you can use
default interface command or else use route redistribution mechanism.
T
O PREVENT ROUTING UPDATES THROUGH AN INTERFACE
To prevent other routers on a local network from learning about routes
dynamically, you can keep routing update messages from being sent through a
router interface. Keeping routing update messages from being sent through a
router interface prevents other systems on the interface from learning about
routes dynamically. This feature applies to all IP-based routing protocols except
BGP.
To prevent routing updates through a specified interface, enter the following
command:
E
XAMPLE
ALU(config-router ospf1)#passive-interface GigabitEthernet 3/0
Command (in RCM) Description
passive-interface <interface-
name>
Enter this command in Router
Configuration Mode.
Suppresses sending of routing updates
through the specified interface.
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