Verifying the Configuration of a Dot1q Termination Sub-interface and Its Connection to an L2VPN

Run the display dot1q information termination [ interface interface-type interface-number [.subinterface-number ] ] command to check dot1q termination sub-interface information.
Run the display mpls static-l2vc command to check static VC information.
Run the display mpls l2vc command on the PE to check Martini VLL information on the local PE.
Run the display mpls l2vc remote-info command on the PE to check Martini VLL information on the remote PE.
Run the display vll ccc [ ccc-name | type { local | remote } ] command to check CCC connection information.