High-level Data Link Control
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OmniAccess 5740 Unified Services Gateway CLI Command Reference Guide
Alcatel-Lucent
NO HDLC DOWN-WHEN-LOOPED
no hdlc down-when-looped
This command is entered in the Interface Configuration Mode. This command 
disables bringing down of the line protocol when loopback is detected on the 
interface. This is the default behavior.
NO HDLC KEEPALIVE
no hdlc keepalive
This command is entered in the Interface Configuration Mode. This command 
resets the keepalive interval to its default, which is 10 seconds.
SHOW INTERFACE
show interfaces Serial [<slot/port:channel>]
DESCRIPTION
This command is entered in the Super User Mode or Configuration Mode. Use 
this command to verify the encapsulation type and the interface details.
PARAMETERS
EXAMPLE
ALU# show interfaces Serial 0/0:0
Serial0/0:0 is up, line protocol is up
  Internet address is 7.7.7.1/24
  MTU 1500 bytes, BW 1536 Kbit, DLY 0 usec,
      reliability 255/255, txload 0/255, rxload 2/255
  Loopback not set
  Encapsulation hdlc, keepalive set (10 sec)
  Last input never, output never, output hang never
  Last clearing of "show interface" counters never
  Queueing strategy: fifo
  Output queue: 0/0 (size/max) 0 drops; Input queue: 0/0 (size/max) 0 
drops
    Conversations: 0/0/0/0 (active/max active/max total)
    Reserved Conversations: 0/0 (allocated/max allocated)
    Available Bandwidth 1536 kilobits/sec
  5 minute input rate 16 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     370 packets input, 8880 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
Parameter Description
serial Type of interface.
<slot/port:channel> Interface number with slot/port and 
channel group number.