DNS Client is using link-local address

sthaug at nethelp.no sthaug at nethelp.no
Fri Apr 23 10:25:00 UTC 2010

> My Application involves get the IPv6 address from DHCP server and
> querying the DNS Server.
> I am successfully able to receive the Global IPv6 address and assign
> it to the host (Running on Slackware). But my DNS client is sending
> the DNS Request from Link-Local address instead of sending it through
> Global Address received from DHCP Server.
> I could see the Global IPv6 Address assigned to the Host, using
> ifconfig command. Could any one Please suggest how to inform TCP/IP
> stack to set the Global Address as default address and any packets
> which need to send out through the host need to use the Global
> Address.

If your interface has a global IPv6 address and your host tries to
send *from* a link-local IPv6 address to a global IPv6 address you
need to ask on a suitable Slackware list - this is a TCP/IP stack
problem, not a DHCP problem.

PS: Please don't send HTML mail to this list.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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