HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Com - Page 14

Syntax, Views, Predefined user roles, Parameters, Usage guidelines, Examples, tracert, vpn-instance

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Syntax tracert [ -a source-ip | -f first-ttl | -m max-ttl | -p port | -q packet-number | -vpn-instance vpn-instance-name | -w timeout ] * host Views Any view Predefined user roles network-admin Parameters -a source-ip: Specifies the source IP address of a tracert packet. It must be a valid IP address configured on the device. If this option is not specified, the source IP address of a tracert packet is the primary IP address of the outbound interface of this tracert packet. -f first-ttl: Specifies the first TTL (the maximum number of hops allowed for the first packet). The first-ttl argument is in the range of 1 to 255. The default value is 1. It must be smaller than the value of the max-ttl argument. -m max-ttl: Specifies the maximum TTL (the maximum number of hops allowed for a packet). The max-ttl argument is in the range of 1 to 255. The default value is 30. It must be greater than the value of the first-ttl argument. -p port: Specifies the UDP port number of the destination. The port argument is in the range of 1 to 65535. The default value is 33434. It is unnecessary to modify this option. -q packet-number: Specifies the number of probe packets sent each time. The packet-number argument is in the range of 1 to 65535. The default value is 3. -vpn-instance vpn-instance-name: Specifies the MPLS L3VPN to which the destination belongs, where the vpn-instance-name argument 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. The timeout argument is in the range of 1 to 65535 milliseconds. The default value is 5000 milliseconds. host: IP address or host name (a string of 1 to 253 characters) for the destination. Usage guidelines After having identified network failure with the ping command, use the tracert command to locate failed nodes. The output of 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 (1.1.2.2). tracert 1.1.2.2 traceroute to 1.1.2.2(1.1.2.2), 30 hops at most, 40 bytes each 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 12

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12
Syntax
tracert
[
-a
source-ip
|
-f
first-ttl
|
-m
max-ttl
|
-p
port
|
-q
packet-number
|
-vpn-instance
vpn-instance-name
|
-w
timeout
] *
host
Views
Any view
Predefined user roles
network-admin
Parameters
-a
source-ip
: Specifies the source IP address of a tracert packet. It must be a valid IP address configured
on the device. If this option is not specified, the source IP address of a tracert packet is the primary IP
address of the outbound interface of this tracert packet.
-f
first
-
ttl
: Specifies the first TTL (the maximum number of hops allowed for the first packet). The
first
-
ttl
argument is in the range of 1 to 255. The default value is 1. It must be smaller than the value of the
max
-
ttl
argument.
-m
max
-
ttl
: Specifies the maximum TTL (the maximum number of hops allowed for a packet). The
max
-
ttl
argument is in the range of 1 to 255. The default value is 30. It must be greater than the value of the
first
-
ttl
argument.
-p
port
: Specifies the UDP port number of the destination. The
port
argument is in the range of 1 to 65535.
The default value is 33434. It is unnecessary to modify this option.
-q
packet-number
: Specifies the number of probe packets sent each time. The
packet-number
argument
is in the range of 1 to 65535. The default value is 3.
-vpn-instance
vpn-instance-name
: Specifies the MPLS L3VPN to which the destination belongs, where the
vpn-instance-name
argument 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. The
timeout
argument is in
the range of 1 to 65535 milliseconds. The default value is 5000 milliseconds.
host
: IP address or host name (a string of 1 to 253 characters) for the destination.
Usage guidelines
After having identified network failure with the
ping
command, use the
tracert
command to locate failed
nodes.
The output of 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 (1.1.2.2).
<Sysname> tracert 1.1.2.2
traceroute to 1.1.2.2(1.1.2.2), 30 hops at most, 40 bytes each 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