Command Line Interface
10571553-KDU 137 365 Uen D 2006-06-16
Default Setting
Lowest interface address
Command Usage
• The router ID must be unique for every router in the autonomous
system. Using the default setting based on the lowest interface address
ensures that each router ID is unique. Also, note that the router ID
cannot be set to 0.0.0.0 or 255.255.255.255.
• 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 ospf followed by the router ospf command.
• 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.
Example
Related Commands
router ospf (section 7.26.19 on page 1055)
7.26.21 compatible rfc1583
This command calculates summary route costs using RFC 1583 (OSPFv1). Use
the no form to calculate costs using RFC 2328 (OSPFv2).
Syntax
[no] compatible rfc1583
Command Mode
Router Configuration
Console(config-router)#router-id 10.1.1.1
Console(config-router)#
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