A collaboration engineer has just implemented SAF as a hub-and-spoke network. The hub uses its
loopback interface for SAF advertisements. Updates are coming into the hub router, but are not
being advertised out. Which option describes the issue?

A.
Multicast is not enabled across the WAN.

B.
SAF is set up on a VRF.

C.
SAF username/password are incorrect.

D.
The autonomous system is mismatched.

E.
Split horizon is enabled.