Chapter 50
| IP Routing Commands
Open Shortest Path First (OSPFv3)
– 1049 –
router-id This command assigns a unique router ID for this device within the autonomous
system for the current OSPFv3 process. Use the no form to restore the default
setting.
Syntax
router-id ip-address
no router-id
ip-address - Router ID formatted as an IPv4 address.
Command Mode
Router Configuration
Default Setting
None
Command Usage
â—† This command sets the router ID for the OSPF process specified in the router
ipv6 ospf command.
â—† The router ID must be unique for every router in the autonomous system. (Note
that the router ID can also be set to 0.0.0.0 or 255.255.255.255).
â—† If this router already has registered neighbors, the new router ID will be used
when the router is rebooted, or manually restarted by entering the no router
ipv6 ospf followed by the router ipv6 ospf command.
â—† If the priority values of the routers bidding to be the designated router or
backup designated router for an area are equal, the router with the highest ID is
elected.
â—† The current routing process will not be enabled until a Router ID is configured
with this command.
Example
Console(config-router)#router-id 10.1.1.1
Console(config-router)#
Related Commands
router ipv6 ospf (1046)
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