B
- backup designated router.
- See [BDR. An OSPF router that acts as the backup for the designated router on a broadcast network.]
- BDR.
An OSPF router that acts as the backup for the designated router on a broadcast network.
- branch.
A section of the network that is relatively independent of the rest of the network; for example, a group of distribution and access layer routers that could logically split off as a separate network.
- broadcast.
A packet that is addressed so that every device on a segment will listen to it.
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