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Bug #4436

closed

dhcp6c requests prefix delegation when no tracking interfaces are configured

Added by Paul K almost 7 years ago. Updated over 6 years ago.

Status:
Resolved
Priority:
Normal
Category:
DHCP (IPv6)
Target version:
Start date:
02/16/2015
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.2
Affected Architecture:

Description

When interface with DHCPv6 has 'DHCPv6 Prefix Delegation size' set and no interfaces are setup to track it, pfSense generates dhcp6c config file as follows:

interface em0 {
        send ia-pd 0;   # request prefix delegation
        request domain-name-servers;
        request domain-name;
        script "/var/etc/dhcp6c_wan_script.sh"; # we'd like some nameservers please
};
id-assoc pd 0 {
};

This makes dhcp6c send out request to the server requesting prefix delegation without actually having a need for it.

It does not really cause any real issues that I know of, but it does create unnecessary distraction when troubleshooting things.

Config file for this scenario should look like this:

interface em0 {
        request domain-name-servers;
        request domain-name;
        script "/var/etc/dhcp6c_wan_script.sh"; # we'd like some nameservers please
};
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