3Com Switch 4800G 24-Port - System Maintaining and Debugging

System Maintaining and Debugging 1035
Figure 305 The relationship between the protocol and screen debugging switch
n
Displaying debugging information on the terminal is the most commonly used
way to output debugging information. You can also output debugging
information to other directions. For details, refer to “Configuring Information
Center” on page 1009.
System Maintaining
and Debugging
System Maintaining
n
■ For a low-speed network, you are recommended to set a larger value for the
timeout timer (indicated by the -t parameter in the command) when
configuring the ping command.
OFF
ON
OFF
ON
Debugging
information
Protocol
debugging switch
Screen
output
switch
1
3
1 2 3
OFF
ON
ON
Debugging
information
Protocol
debugging
switch
Screen
output
switch
1
3
1
2
3
1
3
To do… Use the command… Remarks
Check whether a specified IP
address can be reached
ping [ ip ] [ -a source-ip | -c count | -f |
-h ttl | -i interface-type
interface-number | -m interval | -n | -p
pad | -q | -r | -s packet-size | -t timeout |
-tos tos | -v ] * remote-system
Optional
Used in IPv4 network
Available in any view
ping ipv6 [ -a source-ipv6 | -c count |
-m interval | -s packet-size | -t timeout ]
* remote-system [ -i interface-type
interface-number ]
Optional
Used in IPv6 network
Available in any view
View the routes from the
source to the destination
tracert [ -a source-ip | -f first-ttl
| -m
max-ttl | -p port | -q packet-number |
-w timeout ] * remote-system
Optional
Used in IPv4 network
Available in any view
tracert ipv6 [ -f first-ttl | -m max-ttl |
-p port | -q packet-number | -w
timeout ] * remote-system
Optional
Used in IPv6 network
Available in any view