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Locate IDLE on a T3 Interface
Problem
The T3 (DS3) IDLE signal is a validly framed DS3 signal with a payload consisting of a repeated 1100 signal. IDLE indicates that the line has not been provisioned for service.
Solution
Have the carrier make sure that the line is provisioned for service.
Sample Output
user@router2> show interfaces t3-1/1/0Physical interface: t3-1/1/0, Enabled, Physical link is Down Interface index: 13, SNMP ifIndex: 21 Link-level type: PPP, MTU: 4474, Clocking: Internal Speed: T3, Loopback: None, CRC: 16, Mode: C/Bit parity Device flags : Present Running Down Interface flags: Hardware-Down Point-To-Point SNMP-Traps Link flags : Keepalives Input rate : 0 bps (0 pps), Output rate: 0 bps (0 pps) Active alarms : IDLE Active defects : IDLE
