OSPF sham-link cost

An OSPF sham-link will have a default cost of 1 ensuring that it is chosen as the best path over alternative possible paths. The cost of the sham link can be modified using a command similar to the following:

PE1(config-router)#area 0 sham-link cost 10

The cost configured affects only outbound traffic, thus it should be configured the same on both ends of the sham link.




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