3com 4500 50-PORT User Manual
Ethernet Port Configuration Commands
47
display
loopback-detection
Syntax
display loopback-detection
View
All views
Parameter
None
Description
Use the
display loopback-detection
command to view whether the port
loopback detection has been enabled. If it has been enabled, then the time
interval of the detection and the current port loopback information will also be
displayed.
interval of the detection and the current port loopback information will also be
displayed.
Example
To display if the port loopback detection is enabled, enter the following:
<4500>display loopback-detection
Allow jumbo frame to pass
Indicates that jumbo frame are allowed to pass
through the port
through the port
PVID
Indicates the port default VLAN ID.
Mdi type
Indicates the cable type
Port link-type
Indicates the port link type
Tagged VLAN ID
Indicates the VLANs with packets tagged
Untagged VLAN ID
Indicates the VLANs with packets untagged
Last 300 minutes input rate:
0 packets/sec, 0 bytes/sec
Last 300 minutes output rate:
0 packets/sec, 0 bytes/sec
Displays the input/output rate and the number of
packets that were passed on this port in the last
300 seconds
packets that were passed on this port in the last
300 seconds
Input(total): 0 packets, 0 bytes
- broadcasts, - multicasts
Input(normal): 0 packets, 0 bytes
0 broadcasts, 0 multicasts
Input: 0 input errors, 0 runts, 0 giants,
0 throttles, 0 CRC
0 throttles, 0 CRC
0 frame, - overruns, - aborts, -
ignored, - parity errors
ignored, - parity errors
Output(total): 0 packets, 0 bytes
- broadcasts, - multicasts, - pauses
Output(normal): 0 packets, 0 bytes
0 broadcasts, 0 multicasts, 0 pauses
Output: 0 output errors, - underruns, -
buffer failures
buffer failures
- aborts, 0 deferred, 0 collisions, 0
late collisions
late collisions
- lost carrier, - no carrier
The statistics information of input/output packets
and errors on this port. A “-” indicates that the
item isn't supported by the switch.
and errors on this port. A “-” indicates that the
item isn't supported by the switch.
Table 6 Output Description of the Display Interface Command