show interfaces brief (for Channelized DS-3 to DS-1 Interfaces)
user@host> show interfaces t1-0/0/0:0 brief
Physical interface: t1-0/0/0:0, Enabled, Physical link is Up
Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 640kbps,
Loopback: None, FCS: 16, Mode: C/Bit parity, Framing: ESF
Device flags : Present Running
Interface flags: Point-To-Point SNMP-Traps
Link flags : Keepalives
Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3
Keepalive: Input: 27 (00:00:11 ago), Output: 26 (00:00:05 ago)
Logical interface t1-0/0/0:0.0
Flags: Point-To-Point SNMP-Traps Encapsulation: PPP
inet 21.21.21.1 --> 21.21.21.2