HP VPN Firewall Appliances System Management and Maintenance Command Reference

9
Parameters
-f first-ttl: Specifies the TTL value of the first packet. The value range is 1 to 255, and the default is 1. The
value must be less than the maximum TTL.
-m max-ttl: Specifies the maximum number of hops allowed for a packet. The value range is 1 to 255,
and the default is 30. The value must be greater than the first TTL.
-p port: Specifies an invalid UDP port of the destination. The value range is 1 to 65535, and the default
value 33434.
-q packet-number: Specifies the number of probe packets sent each time. The value range is 1 to 65535,
and the default is 3.
-vpn-instance vpn-instance-name: Specifies the VPN instance to which the destination belongs, where
vpn-instance-name is a case-sensitive string of 1 to 31 characters. If the destination is on the public
network, do not specify this option.
-w timeout: Specifies the timeout time (in milliseconds) of the reply packet of a probe packet. The value
range is 1 to 65535, and the default is 5000.
host: Specifies the IPv6 address or host name of the destination. The host name is a case-insensitive string
of 1 to 255 characters.
Usage guidelines
In the event of network failure, you can use the tracert command to determine the failed nodes.
The output of the tracert ipv6 command includes IPv6 addresses of all the Layer 3 devices the packets
traverse from source to destination. Asterisks (* * *) are displayed if the device cannot reply with an
ICMP error message (probably because the destination is unreachable or sending ICMP
timeout/destination unreachable packets is disabled).
To abort the tracert operation during the execution of the command, press Ctrl+C.
Examples
# View the path the packets traverse from source to destination with IPv6 address 2001::1.
<Sysname> tracert ipv6 2001::1
traceroute to 2001::1 30 hops max,60 bytes packet, press CTRL_C to break
1 2001::1 3 ms <1 ms 19 ms
# View the path the packets traverse from source to destination with IPv6 address 2001::1 in VPN 1.
<Sysname> tracert ipv6 –vpn-instance vpn1 2001::1
traceroute to 2001::1 30 hops max,60 bytes packet, press CTRL_C to break
1 2001::1 3 ms <1 ms 19 ms
For description on the fields in the output, see Table 2.
System debugging commands
debugging
Use debugging to enable the debugging of a specific module.
Use undo debugging to disable the debugging of a specific module.