To do… Use the command… Remarks
Enter system view system-view —
IPv4 network:
tracert [ -a source-ip | -f first-ttl | -m
max-ttl | -p port | -q packet-number | -w
timeout ] * host
Display the routes from source to
destination
IPv6 network:
tracert ipv6 [ -f first-ttl | -m max-ttl | -p
port | -q packet-number | -w timeout ] *
host
Required
Use either approach
Available in any view
System debugging
Introduction to system debugging
The device provides various debugging functions. For the majority of protocols and features supported,
the system provides debugging information to help users diagnose errors.
Displaying debugging information
The following switches control the display of debugging information:
• Protocol debugging switch, which controls protocol-specific debugging information.
• Screen output switch, which controls whether to display the debugging information on a certain
screen.
As shown in Figure 3, assume that device can provide debugging for the three modules 1, 2, and 3. The
debugging information can be output on a terminal only when both the protocol debugging switch and
the screen output switch are turned on.
Figure 3 The relationship between the protocol and screen output switch
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