dhcp_release6(1) Release a DHCPv6 lease on a the local dnsmasq DHCP server.

SYNOPSIS

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

DESCRIPTION

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.

NOTES

MUST be run as root - will fail otherwise.

LIMITATIONS

Only usable on IPv6 DHCP leases.

AUTHOR

This manual page was written by Simon Kelley <[email protected]>.