T1

user@host> show interfaces t1-0/0/0:2:1

Physical interface: t1-0/0/0:2:1, Enabled, Physical link is Up

  Interface index: 229, SNMP ifIndex: 2091

  Link-level type: Cisco-HDLC, MTU: 1504, Clocking: Internal, Speed: T1,

Loopback: None, FCS: 32, Framing: ESF,

  Parent: coc1-0/0/0:2 Interface index 228

  Device flags   : Present Running

  Interface flags: Point-To-Point SNMP-Traps 16384

  Link flags     : No-Keepalives

  CoS queues     : 4 supported

  Last flapped   : Never

  Input rate     : 0 bps (0 pps)

  Output rate    : 0 bps (0 pps)

  DS1   alarms   : None

  DS1   defects  : None

  SONET alarms   : None

  SONET defects  : None

  Logical interface t1-0/0/0:2:1.0 (Index 70) (SNMP ifIndex 2092) 

    Flags: Point-To-Point SNMP-Traps Encapsulation: Cisco-HDLC

    Protocol inet, MTU: 1500

      Flags: None

      Addresses, Flags: Is-Preferred Is-Primary

        Destination: 10.12.12.0/30, Local: 10.12.12.2, Broadcast: 10.12.12.3