Hello please your help
After VPLS is configured on an NE series router, the PW status is Down. Which of the following are possible causes?
a. The AC encapsulation types configured on the local and remote PEs are different.
b. The MTUs of the local and remote PEs are different.
c. Some AC links in the VSI where the PW resides are Down.
d. The MAC address learning mode of the local PE is Unqualified, and the learning mode of the peer device is Qualified.
e. The tunnel type on the PEs at both ends of the PW tunnel is not the type specified in the tunnel policy.