Command Reference Guide

3Com Router 3000 Ethernet Family

Chapter 1 System Maintenance and Management

Commands

3Com Corporation

1-12

Example

# Reboot the device.

<3com> reboot

This command will reboot the system. The current configuration has not been

saved and will be lost if you continue. Continue? [Y/N]

1.2.8 tracert

Syntax

vpn-instance-name | -w timeout ] * host

View

Any view

Parameter

-a X.X.X.X: Specifies the source IP address in this trace. It is in the format of X.X.X.X

and must be the address of a local interface.

-f first_TTL: Tests the correctness of the –f switch. first_TTL specifies an initial TTL in

the range 0 to maximum TTL.

-m max_TTL: Tests the correctness of the –m switch. max_TTL specifies a maximum

TTL, which can be any TTL larger than the initial TTL.

-p port: Tests the correctness of the –p switch. port is an integer specifying a port on the

destination host. Normally, you need not to change this option.

-q nqueries: Tests the correctness of the –q switch with nqueries specifying the number

of the query packets sent each time. It can be any integer greater than zero.

vpn-instance vpn-instance-name: Sets the vpn-instance name of MPLS VPN,

specifying the VPN attribute configured in this tracert command, that is, name of the

associated vpn-instance created locally.

-w timeout: Tests the correctness of the -w switch. timeout specifies the timeout time of

IP packets. It is in seconds and can be any integer larger than zero.

host: IP address of the destination host.

Description

Use the tracert command to trace the gateways by which a packet passes from source

to destination for network connectivity test and fault location.

The following are the default settings that apply when none of the parameters is

specified:

The parameters -a and vpn-instance are not specified.