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101

CanogaOS Command Reference

15-16

Command Mode

Interface configuration

Usage

Examples

The following example prevents flooding of OSPF LSAs to broadcast, nonbroadcast, or point-to-point

networks reachable through the interface eth-0-1:

interface eth-0-1

ip ospf database-filter all out

Related Commands

15.18 ip ospf dead-interval

To set the interval during which at least one hello packet must be received from a neighbor before the

router declares that neighbor down, use the ip ospf dead-interval command in interface configuration

mode. To restore the default value, use the no form of this command.

Command Syntax

ip ospf dead-interval seconds

no ip ospf dead-interval

seconds Interval (in seconds) during which the router must receive at least one hello packet

from a neighbor or else that neighbor is removed from the peer list and does not

participate in routing. The range is 1 to 65535. The value must be the same for all

nodes on the network.

Default

seconds: Four times the interval set by the ip ospf hello-interval command.

Command Mode

Interface configuration

Usage

The dead interval is advertised in OSPF hello packets. This value must be the same for all networking

devices on a specific network.

Specifying a smaller dead interval (seconds) will give faster detection of a neighbor being down and

improve convergence, but might cause more routing instability.

Examples

The following example sets the OSPF dead interval to 20 seconds:

interface eth-0-1

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