You have configured a layer 2 VPN circuit between two routers, PE1 and PE4. For some reason the VC circuit Is not coming up. You checked the status and VC was downed at both sides. After careful verification you have ruled out any layer 2 VPN control plane configuration issues. Assuring that PE devices are running cisco IOS, what two additional troubleshooting steps should help identifying the problem? (Choose two)

A.
Show mpls forwarding-table for local circuit mismatch

B.
Show mpls 12transport hw-capability to check hardware capability

C.
Show mpls 12transport binding to check for MTU

D.
Show MPL12transport binding to check VC labels