tunnel discard ipv4-compatible-packet

Use tunnel discard ipv4-compatible-packet to enable dropping IPv6 packets that use IPv4-compatible IPv6 addresses.

Use undo tunnel discard ipv4-compatible-packet to restore the default.

Syntax

tunnel discard ipv4-compatible-packet

undo tunnel discard ipv4-compatible-packet

Default

IPv6 packets that use IPv4-compatible IPv6 addresses are not dropped.

Views

System view

Predefined user roles

network-admin

mdc-admin

Usage guidelines

This command enables the device to check the source and destination IPv6 addresses of the de-encapsulated IPv6 packets from a tunnel. If a packet uses an IPv4-compatible IPv6 address as the source or destination address, the device discards the packet.

Examples

# Enable dropping IPv6 packets that use IPv4-compatible IPv6 addresses.

<Sysname> system-view
[Sysname] tunnel discard ipv4-compatible-packet