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Configuring Mesh Groups

A mesh group is a set of routers that are fully connected; that is, they have a fully meshed topology. When link-state PDU packets are being flooded throughout an area, each router within a mesh group receives only a single copy of an link-state PDU packet instead of receiving one copy from each neighbor, thus minimizing the overhead associated with the flooding of link-state PDU packets.

To create a mesh group and designate that an interface is part of the group, assign a mesh-group number to all the router interfaces in the group:




mesh-group value;

To prevent an interface in the mesh group from flooding link-state PDUs, configure blocking on that interface:




mesh-group blocked;

For a list of hierarchy levels at which you can configure these statements, see the statement summary sections for these statements.

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