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Bug #6933
closed
Wrong IPv6 address is served over DNS when static mapping is used with Track6 interface
Status:
Duplicate
Priority:
Normal
Assignee:
-
Category:
DHCP (IPv4)
Target version:
-
Start date:
11/15/2016
Due date:
% Done:
0%
Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.3.2
Affected Architecture:
All
Description
I have a router with pfSense 2.3.2 that has several LAN interfaces, each set to Track6 mode to assign IPv6 addresses from the ISP's /56 delegation. One of these interfaces currently has the prefix 2606:a000:444b:7701::/64 assigned to it. If I configure a client on this interface with a DHCPv6 static mapping, for example 2606:a000:444b:7701::1360/128, that part works and it always gets the address 2606:a000:444b:7701::1360/128. However, if I then do a DNS lookup for this client's hostname, I get 2606:a000:444b:7700::1360/128 instead. It appears that whatever code enters the static leases into the DNS configuration does not pay attention to the prefix assigned by Track6 and therefore enters an incorrect IPv6 address.
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