ip icmp source

Use ip icmp source to enable specifying the source address for outgoing ICMP packets.

Use undo ip icmp source to restore the default.

Syntax

ip icmp source [ vpn-instance vpn-instance-name ] ip-address

undo ip icmp source [ vpn-instance vpn-instance-name ]

Default

The device uses the IP address of the sending interface as the source IP address for outgoing ICMP packets.

Views

System view

Predefined user roles

network-admin

Parameters

vpn-instance vpn-instance-name: Specifies the VPN instance to which the specified address belongs. The vpn-instance-name argument is a case-sensitive string of 1 to 31 characters. The specified VPN instance must exist. If the specified IP address is on the public network, do not use this option.

ip-address: Specifies an IP address.

Usage guidelines

It is a good practice to specify the IP address of the loopback interface as the source IP address for outgoing ping echo request and ICMP error messages. This feature helps users to locate the sending device easily.

Examples

# Specify 1.1.1.1 as the source address for outgoing ICMP packets.

<Sysname> system-view
[Sysname] ip icmp source 1.1.1.1