DHCP_RELEASE(1) General Commands Manual DHCP_RELEASE(1)

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

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

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

IPv6 address to release.
Colon-separated hex string representing DHCPv6 client id. Normally it can be found in leases file both on client and server.
Print hexadecimal representation of generated DHCPv6 release packet to standard output and exit.
print usage information to standard output and exit.
Decimal representation of DHCPv6 IAID. Normally it can be found in leases file both on client and server.
Network interface to send a DHCPv6 release packet from.
Colon-separated hex string representing DHCPv6 server id. Normally it can be found in leases file both on client and server.

MUST be run as root - will fail otherwise.

Only usable on IPv6 DHCP leases.

dnsmasq(8)

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