ip icmp fragment discarding

Use ip icmp fragment discarding to disable forwarding of ICMP fragments.

Use undo ip icmp fragment discarding to enable forwarding of ICMP fragments.

Syntax

ip icmp fragment discarding

undo ip icmp fragment discarding

Default

Forwarding of ICMP fragments is enabled.

Views

System view

Predefined user roles

network-admin

mdc-admin

Usage guidelines

Disabling forwarding of ICMP fragments can prevent ICMP fragment attacks.

Examples

# Disable forwarding of ICMP fragments.

<Sysname> system-view
[Sysname] ip icmp fragment discarding