mesh-group enable

Usage Scenario

When concurrent links exist between the device and its neighbor, the mesh-group enable command enables the mesh-group function. The router ID of a neighboring device uniquely identifies a mesh group. After LSAs are received, the device selects a primary link to flood the received LSAs, without performing reverse flooding. This prevents repeated flooding, reduces the load on the links, and saves system resources.

Device interfaces that meet the following conditions can form a mesh group:

• The interfaces belong to the same area and OSPF process.
• The neighbor status is Exchange or Full.
• Each interface is connected only to one neighbor.

Precautions

After the device is enabled with the mesh-group function, if the router IDs of the directly connected neighbor are the same, the LSDBs of the entire network cannot be synchronized and routes cannot be calculated correctly. In this case, you need to reconfigure the router ID of the neighbors, and then restart the neighbors to validate the configured router ID.