Which configuration must be applied on both PE routers to avoid the routing loop?

Refer to the exhibit.

CE6 cannot ping the loopback address of C7.An SP engineer notices a routing loop between PE2 and CE4.

Which configuration must be applied on both PE routers to avoid the routing loop?
A . Neighbor<CE-IP address>soo<value> with the same SoO value on both PEs
B . Neighbor<CE-IP address>soo<value> with a different SoO value in each PE
C . No neighbor<CE-IP address> as-override
D . Neighbor<CE-IP address> allows-in

View Answer

Answer: A