A certain service provider is supporting a customer who uses IPsec tunnels between dual-homed CE routers. The service provider carries infrastructure routes using OSPF and carries tunnel endpoints using BGP. Which two steps will be taken by the service provider to provide fast convergence in case of node failure in its network? (Choose two.)
A) tune OSPF on all routers
B) tune BGP on all routers
C) carry IPsec tunnels in L2TPv3 among PE routers
D) carry IPsec tunnels in VPLS among PE routers

Question

Quizplus · Accepted Answer

OSPF and BGP are both routing protocols that can be tuned to provide fast convergence. Tuning OSPF and BGP will help to ensure that the service provider's network can quickly adapt to changes in topology, such as a node failure.

A Certain Service Provider Is Supporting a Customer Who Uses