Enabling sending ICMPv6 redirect messages

Upon receiving a packet from a host, the device sends an ICMPv6 redirect message to inform the host of a better next hop when the following conditions are met:

The ICMPv6 redirect feature simplifies host management by enabling hosts that hold few routes to optimize their routing table gradually. However, to avoid adding too many routes on hosts, this feature is disabled by default.

To enable sending ICMPv6 redirect messages:

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enable sending ICMPv6 redirect messages.

ipv6 redirects enable

By default, sending ICMPv6 redirect messages is disabled.