HP 6125G HP 6125G & 6125G/XG Blade Switches Network Management and Mon - Page 14

vpn-instance, tracert, Ctrl+C, Field, Description, Table 2, Command output

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-vpn-instance vpn-instance-name: Specifies the MPLS L3VPN 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 of the reply packet of a probe packet, which is in the range of 1 to 65535 milliseconds and defaults to 5000 milliseconds. host: Specifies the IP address or host name (a string of 1 to 255 characters) for the destination. Description Use tracert to trace the path that the packets traverse from source to destination. In the event of network failure, you can use the tracert command to determine the failed nodes. The output from the tracert command includes IP addresses of all the Layer 3 devices that 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 # Display the path that the packets traverse from source to destination with an IP address of 1.1.2.2. tracert 1.1.2.2 traceroute to 1.1.2.2(1.1.2.2) 30 hops max,40 bytes packet, press CTRL_C to break 1 1.1.1.2 673 ms 425 ms 30 ms 2 1.1.2.2 580 ms 470 ms 80 ms # Trace the path to destination 192.168.0.46 over an MPLS network. system-view [Sysname] ip ttl-expires enable [Sysname] ip unreachables enable [Sysname] tracert 192.168.0.46 traceroute to 192.168.0.46(192.168.0.46) 30 hops max,40 bytes packet, press CTRL_C to break 1 192.0.2.13 (192.0.2.13) 0.661 ms 0.618 ms 0.579 ms 2 192.0.2.9 (192.0.2.9) 0.861 ms 0.718 ms 0.679 ms MPLS Label=100048 Exp=0 TTL=1 S=1 3 192.0.2.5 (192.0.2.5) 0.822 ms 0.731 ms 0.708 ms MPLS Label=100016 Exp=0 TTL=1 S=1 4 192.0.2.1 (192.0.2.1) 0.961 ms 8.676 ms 0.875 ms Table 2 Command output Field traceroute to 1.1.2.2(1.1.2.2) hops max bytes packet press CTRL_C to break Description Display the route that the IP packets traverse from the current device to the device whose IP address is 1.1.2.2. Maximum number of hops of the probe packets, which can be set through the -m keyword. Number of bytes of a probe packet. During the execution of the command, you can press Ctrl+C to abort the tracert operation. 8

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8
-vpn-instance
vpn-instance-name
: Specifies the MPLS L3VPN 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 of the reply packet of a probe packet, which is in the range of 1
to 65535 milliseconds and defaults to 5000 milliseconds.
host
: Specifies the IP address or host name (a string of 1 to 255 characters) for the destination.
Description
Use
tracert
to trace the path that the packets traverse from source to destination.
In the event of network failure, you can use the
tracert
command to determine the failed nodes.
The output from the
tracert
command includes IP addresses of all the Layer 3 devices that 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
# Display the path that the packets traverse from source to destination with an IP address of 1.1.2.2.
<Sysname> tracert 1.1.2.2
traceroute to 1.1.2.2(1.1.2.2) 30 hops max,40 bytes packet, press CTRL_C to break
1
1.1.1.2 673 ms 425 ms 30 ms
2
1.1.2.2 580 ms 470 ms 80 ms
# Trace the path to destination 192.168.0.46 over an MPLS network.
<Sysname> system-view
[Sysname] ip ttl-expires enable
[Sysname] ip unreachables enable
[Sysname] tracert 192.168.0.46
traceroute to 192.168.0.46(192.168.0.46) 30 hops max,40 bytes packet, press CTRL_C to
break
1
192.0.2.13 (192.0.2.13)
0.661 ms
0.618 ms
0.579 ms
2
192.0.2.9 (192.0.2.9)
0.861 ms
0.718 ms
0.679 ms
MPLS Label=100048 Exp=0 TTL=1 S=1
3
192.0.2.5 (192.0.2.5)
0.822 ms
0.731 ms
0.708 ms
MPLS Label=100016 Exp=0 TTL=1 S=1
4
192.0.2.1 (192.0.2.1)
0.961 ms
8.676 ms
0.875 ms
Table 2
Command output
Field
Description
traceroute to 1.1.2.2(1.1.2.2)
Display the route that the IP packets traverse from the current device to
the device whose IP address is 1.1.2.2.
hops max
Maximum number of hops of the probe packets, which can be set
through the
-m
keyword.
bytes packet
Number of bytes of a probe packet.
press CTRL_C to break
During the execution of the command, you can press
Ctrl+C
to abort
the tracert operation.