Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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router-id

To configure a fixed router ID, use this command.

Syntax
router-id ip-address

To remove the fixed router ID, use the no router-id ip-address command.

Parameters
ip-address
Enter the router ID in the IP address format.
Defaults
None.
Command Modes
ROUTER OSPF
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100-ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100-ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
7.8.1.0
Added support for Multi-Process OSPF.
7.6.1.0
Introduced on the S-Series.
7.5.1.0
Introduced on the C-Series.
pre- 6.1.1.1
Introduced on the E-Series.
Usage Information
You can configure an arbitrary value in the IP address format for each router. However, each router ID must be unique. If you use this command on an OSPF router process, which is already active (that is, has neighbors), a prompt reminding you that changing the router-id brings down the existing OSPF adjacency. The new router ID is effective at the next reload.
Example
DellEMC(conf)# router ospf 100
DellEMC(conf-router_ospf)#router-id 1.1.1.1
Changing router-id will bring down existing OSPF adjacency [y/n]:

DellEMC(conf-router_ospf)#show config
!
router ospf 100
router-id 1.1.1.1
DellEMC(conf-router_ospf)# no router-id
Changing router-id will bring down existing OSPF adjacency [y/n]:
DellEMC#

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