300-420 Designing Cisco Enterprise Networks (ENSLD)

Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?

  • A. Use BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch.
  • B. HSRP priorities must match the OMP routing policy to prefer one WAN Edge over the other.
  • C. Traffic must be symmetrical as it egresses the WAN Edges and returns from remote sites for DPI to function properly.
  • D. Configure BFD between WAN Edge routers to detect sub-second link failures.
Answer: Option A.
Explanation: 

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