Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

system ipv6 strict-dad

Disables IPv6 operation on an interface when Duplicate Address Detection (DAD) fails for a link-local address.

set system ipv6 strict-dad
delete system ipv6 strict-dad
show system ipv6 strict-dad

IPv6 operation is not disabled on an interface when DAD fails for a link-local address.

Configuration mode


system {
    ipv6 {
        strict-dad
    }
}

Use this command to disable IPv6 operation on an interface when DAD fails for a link-local address.

Link-local addresses are formed from an interface identifier that is partly derived from the hardware address of a device, which is assumed to be uniquely assigned.

By default, the duplicate address is not assigned to the interface, but IPv6 continues to operate. This command disables IPv6 on the interface when a duplicate of the link-local address is detected.

Use the set form of this command to disable IPv6 operation on an interface when DAD fails for a link-local address.

Use the delete form of this command to leave IPv6 operational on an interface when DAD fails for a link-local address.

Use the show form of this command to display DAD failure configuration.