Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 1 Interface Management Commands
3Com Corporation
1-1
Chapter 1 Interface Management Commands
1.1 Interface Management Commands
1.1.1 debugging physical
Syntax
debugging physical { all | error | event | packet } [ interface interface-type
interface-number ]
undo debugging physical { all | error | event | packet } [ interface interface-type
interface-number ]
View
User view
Parameter
all: Enables all debugging.
error: Enables error debugging.
event: Enables event debugging.
packet: Enables packet debugging.
interface interface-type interface-number: Specifies an interface by its type and
number.
Description
Use the debugging physical command to enable debugging of the physical module
on the specified interface.
Use the undo debugging physical command to disable debugging on the specified
interface.
Example
# Enable event output for the physical module of T1 interface.
<3Com > debugging physical event
*0.98233210 3Com PHYD/8/debugging: (T1 1/0/0)PHY/EVT: Loss of signal. /*
// Display LOS information when no cable is connected and display Recovery of signal
when a cable is present.
*0.98233300 3Com PHYD/8/debugging: (T1 1/0/0)PHY/EVT: Loss of frame
alignment./*