System Maintaining Example - 3Com Switch 4800G 24-Port Configuration Manual

1036 C 84: S
HAPTER YSTEM
System Debugging
System Maintaining
Example
M D
AINTAINING AND EBUGGING
Only the directly connected segment address can be pinged if the outgoing
■
interface is specified with the -i argument.
To do...
Enable the terminal
monitoring of system
information
Enable the terminal display of
debugging information
Enable debugging for a
specified module
Display the enabled
debugging functions
n
The debugging commands are usually used by administrators in diagnosing
■
network failure.
Output of the debugging information may reduce system efficiency, especially
■
during execution of the debugging all command.
After completing the debugging, you are recommended to use the undo
■
debugging all command to disable all the debugging functions.
You must configure the debugging, terminal debugging and terminal
■
monitor commands first to display the detailed debugging information on the
terminal. For the detailed description on the terminal debugging and
terminal monitor commands, refer to "Configuring Information Center" on
page 1009.
Network requirements
The IP address of the destination device is 10.1.1.4.
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Display the routers used while packets are forwarded from the current device
■
to the destination device.
Network diagram (omitted here)
Configuration procedure
<Sysname> tracert 10.1.1.4
traceroute to 10.1.1.4 30 hops max, 40 bytes packet
1 128.3.112.1
2 128.32.216.1
3 128.32.136.23
4 128.32.168.22
5 128.32.197.4
6 131.119.2.5
Use the command...
terminal monitor
terminal debugging
debugging { all [ timeout
time ] | module-name
[ option ] }
display debugging
[ interface interface-type
interface-number ]
[ module-name ]
19 ms 19 ms 0 ms
39 ms 39 ms 19 ms
39 ms 40 ms 39 ms
39 ms 39 ms 39 ms
40 ms 59 ms 59 ms
59 ms 59 ms 59 ms
Remarks
Optional
The terminal monitoring on
the console is enabled by
default and that on the
monitoring terminal is
disabled by default.
Required
Disabled by default
Available in user view
Required
Disabled by default
Available in user view
Optional
Available in any view