dhcp_release6 - Release a DHCPv6 lease on a the local dnsmasq DHCP server.

       This manual page was written by Simon Kelley <simon@thekelleys.org.uk>.

                                                                                                 DHCP_RELEASE(1)

       A utility which forces the DHCP server running on this machine to release a DHCPv6 lease.

   OPTIONS
       -a, --ip
              IPv6 address to release.

       -c, --client-id
              Colon-separated hex string representing DHCPv6 client id. Normally it can be found in leases  file
              both on client and server.

       -d, --dry-run
              Print hexadecimal representation of generated DHCPv6 release packet to standard output and exit.

       -h, --help
              print usage information to standard output and exit.

       -i, --iaid
              Decimal  representation of DHCPv6 IAID. Normally it can be found in leases file both on client and
              server.

       -n, --iface
              Network interface to send a DHCPv6 release packet from.

       -s, --server-id
              Colon-separated hex string representing DHCPv6 server id. Normally it can be found in leases  file
              both on client and server.

       Only usable on IPv6 DHCP leases.

       dhcp_release6 - Release a DHCPv6 lease on a the local dnsmasq DHCP server.

       MUST be run as root - will fail otherwise.

dnsmasq(8)

dhcp_release6--iface<interface>--client-id<client-id>--server-id server-id --iaid <iaid>  --ip <IP>
       [--dry-run] [--help]