dhcp_release6 man page

dhcp_release6 — 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.

See Also

dnsmasq(8)

Author

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