4A0-C04 Exam Dumps : Nokia NRS II Composite Exam: OSPF version

Link protection tunnels are established if a router is unable to establish node protection tunnels.

Link protection tunnels are only requested for a primary LSP path.

Link protection tunnels can be created for both one-to-one or facility Fast Reroute.

Link protection tunnels detour around a failed next downstream router.

Use split horizon by default.

Send information about directly connected links to neighbors at periodic intervals.

Use holddown timers when topologies change to allow for convergence.

Maintain multiple databases: neighbor, topology and routing.

The PE routers of the service are responsible for learning MAC addresses.

Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic.

MAC learning reduces flooding of frames with previously learned addresses.

Multiple VPLSes on the same PE share the same MAC FDB.