3com 8807 User Guide

Perform the following configuration in system view.

To ensure stability of OSPF, the user should determine the division of router IDs and 
manually configure them when planning the network.

Perform the following configuration in system view.

By default, OSPF is disabled.

When enabling OSPF, pay attention to the following points:

■

The default OSPF process ID is 1. If no process ID is specified in the command, 
the default one is adopted.

■

If a router is running multiple OSPF processes, you are recommended to use 
router-id in the command to specify different router IDs for different 
processes.

OSPF divides an AS into different areas or logical groups of routers.

Perform the following configuration in OSPF view.

The area-id parameter identifies an area. It can be a decimal integer in the range 
of 0 to 4,294,967,295, or in the format of IP address. Regardless of how it is 
specified, it is displayed in the format of IP address.

Note that when you configure OSPF routers in the same area, you should apply 
most configuration data to the whole area. Otherwise, the neighboring routers 
cannot exchange information. This may even block routing information or create 
routing loops.

After using the ospf command to enable OSPF in system view, you must specify 
the network to run OSPF. An ABR router can be in different areas, while a network 
segment can only belong to an area. That is, you must specify a specific area for 
each port running OSPF.

Table 270   Configure router ID

Configure router ID 

router id router-id 

Remove the router ID 

Table 271   Enable/Disable OSPF

Enable OSPF and enter OSPF view 

ospf [ process-id [ router-id router-id | 
vpn-instance vpn-instance-name]] 

Disable one or all OSPF processes 

undo ospf [ process-id ]

Table 272   Enter OSPF area view

Enter OSPF area view 

area area-id 

Delete an OSPF area 

undo area area-id