Mastering Active Directory - Second Edition

Site link bridges

Site link bridges contain multiple site links. These allow transitive communication between each site link under the bridge. By default, all site links are treated as bridges. In some cases, not all site links need to talk to each other. They are controlled by the routing rules in the network devices; if they're set up that way, the default behavior of the link bridges needs to be modified, and make sure to disable Bridge all site links:

The best way to explain site link bridges is to use this simple example. According to the preceding diagram, for London Site to reach Canada Site, there are two paths: one is using A and ...