DHCP V6 static addresses

wallabybob · Mar 8, 2011, 2:42 AM

I attempted to add a DHCP V6 static IP address

Services: DHCPv6: Edit static mapping
Static DHCPv6 Mapping
MAC address 00:03:47:81:cd:f7
IPv6 address 2001:470:1f05:463::211
Hostname bunyip
Description

The web GUI box for entering the IPv6 address is far too small to display a "typical" address.

There are some problems with the generated dhcpdv6.conf:


# more /var/dhcpd/etc/dhcpdv6.conf

option domain-name "example.org";
option ldap-server code 95 = text;
option domain-search-list code 119 = text;

default-lease-time 7200;
max-lease-time 86400;
log-facility local7;
ddns-update-style none;
one-lease-per-client true;
deny duplicates;
ping-check true;
authoritative;
subnet6 2001:470:1f05:14b3::/64 {
        range6 2001:470:1f05:14b3::8 2001:470:1f05:14b3::16;
        # Not supported in IPv6; option dhcp6.routers 2001:470:1f05:14b3::1;
        option dhcp6.name-servers 2001:470:1f05:14b3::1;

}host s_lan_0 {
        hardware ethernet 00:03:47:81:cd:f7;
        option host-name bunyip;
}
#

1. The assigned IP address doesn't appear in the file.
2. On startup, dhcpd reports:


Mar  8 12:06:08 pfsense dhcpd: Internet Systems Consortium DHCP Server 4.1.1-P1
Mar  8 12:06:08 pfsense dhcpd: Copyright 2004-2010 Internet Systems Consortium.
Mar  8 12:06:08 pfsense dhcpd: All rights reserved.
Mar  8 12:06:08 pfsense dhcpd: For info, please visit https://www.isc.org/software/dhcp/
Mar  8 12:06:10 pfsense dhcpd: Internet Systems Consortium DHCP Server 4.1.1-P1
Mar  8 12:06:10 pfsense dhcpd: Copyright 2004-2010 Internet Systems Consortium.
Mar  8 12:06:10 pfsense dhcpd: All rights reserved.
Mar  8 12:06:10 pfsense dhcpd: For info, please visit https://www.isc.org/software/dhcp/
Mar  8 12:06:10 pfsense dhcpd: /etc/dhcpdv6.conf line 20: You can not use a hardware parameter for DHCPv6 hosts. Use the host-identifier parameter instead.
Mar  8 12:06:10 pfsense dhcpd: /etc/dhcpdv6.conf line 20: You can not use a hardware parameter for DHCPv6 hosts. Use the host-identifier parameter instead.
Mar  8 12:06:10 pfsense dhcpd: 	hardware 
Mar  8 12:06:10 pfsense dhcpd: 	hardware 
Mar  8 12:06:10 pfsense dhcpd:          ^
Mar  8 12:06:10 pfsense dhcpd:          ^
Mar  8 12:06:10 pfsense dhcpd: Configuration file errors encountered -- exiting
Mar  8 12:06:10 pfsense dhcpd: Configuration file errors encountered -- exiting
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: If you did not get this software from ftp.isc.org, please
Mar  8 12:06:10 pfsense dhcpd: If you did not get this software from ftp.isc.org, please
Mar  8 12:06:10 pfsense dhcpd: get the latest from ftp.isc.org and install that before
Mar  8 12:06:10 pfsense dhcpd: get the latest from ftp.isc.org and install that before
Mar  8 12:06:10 pfsense dhcpd: requesting help.
Mar  8 12:06:10 pfsense dhcpd: requesting help.
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: If you did get this software from ftp.isc.org and have not
Mar  8 12:06:10 pfsense dhcpd: If you did get this software from ftp.isc.org and have not
Mar  8 12:06:10 pfsense dhcpd: yet read the README, please read it before requesting help.
Mar  8 12:06:10 pfsense dhcpd: yet read the README, please read it before requesting help.
Mar  8 12:06:10 pfsense dhcpd: If you intend to request help from the dhcp-server@isc.org
Mar  8 12:06:10 pfsense dhcpd: If you intend to request help from the dhcp-server@isc.org
Mar  8 12:06:10 pfsense dhcpd: mailing list, please read the section on the README about
Mar  8 12:06:10 pfsense dhcpd: mailing list, please read the section on the README about
Mar  8 12:06:10 pfsense dhcpd: submitting bug reports and requests for help.
Mar  8 12:06:10 pfsense dhcpd: submitting bug reports and requests for help.
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: Please do not under any circumstances send requests for
Mar  8 12:06:10 pfsense dhcpd: Please do not under any circumstances send requests for
Mar  8 12:06:10 pfsense dhcpd: help directly to the authors of this software - please
Mar  8 12:06:10 pfsense dhcpd: help directly to the authors of this software - please
Mar  8 12:06:10 pfsense dhcpd: send them to the appropriate mailing list as described in
Mar  8 12:06:10 pfsense dhcpd: send them to the appropriate mailing list as described in
Mar  8 12:06:10 pfsense dhcpd: the README file.
Mar  8 12:06:10 pfsense dhcpd: the README file.
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: 
Mar  8 12:06:10 pfsense dhcpd: exiting.
Mar  8 12:06:10 pfsense dhcpd: exiting.
Mar  8 12:06:10 pfsense php: : The command '/usr/local/sbin/dhcpd -6 -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpdv6.conf bridge0' returned exit code '1', the output was 'Internet Systems Consortium DHCP Server 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ /etc/dhcpdv6.conf line 20: You can not use a hardware parameter for DHCPv6 hosts. Use the host-identifier parameter instead. 	hardware          ^ Configuration file errors encountered -- exiting  If you did not get this software from ftp.isc.org, please get the latest from ftp.isc.org and install that before requesting help.  If you did get this software from ftp.isc.org and have not yet read the README, please read it before requesting help. If you intend to request help from the dhcp-server@isc.org mailing list, please read the section on the README about submitting bug reports and requests for help.  Please do not under any circumstances send requests for 
Mar  8 12:06:10 pfsense dnsmasq[61568]: started, version 2.55 cachesize 10000

After more than half an hour of searching I have not been able to find an example of the use of the host-identifier parameter instead of the hardware parameter.

My attempts to delete the static entry to recover a working dhcpv6 also fared poorly: On confirming I wanted to delete the static entry the browser was went to the DHCP (V4) Server page. On going to the DHCPV6 server page i was informed there were pending changes so I applied them but the resultant page still showed the static entry and /cf/conf/config.xml included the static entry:


                        <staticmap><mac>00:03:47:81:cd:f7</mac>
                                <ipaddrv6>2001:470:1f05:4b3::211</ipaddrv6>
                                <hostname>bunyip</hostname></staticmap>

At this stage I am far more interested in getting static DHCPV6 working than in getting deletion of static entries working.

wallabybob · Mar 8, 2011, 8:43 AM

It appears there is no support in DHCP v6 for static IP address assignments based on "raw" MAC address but assignments can be based on various forms of UIDs, some of which can be derived from a MAC address.