Re: getting DNS from DHCP IP address
David Banning wrote:
DHCP will normally obtain DNS servers automaticly. It's likely that you
could release and renew your lease ("dhclient -r", maybe?) and cause it to
get new DNS info if the old values are no longer working.
Here may be the answer. I think of DHCP of being a server thing only,
to win boxes. I hadn't considered using dhclient on the freebsd host.
I will look into this. It sounds like the answer.
Thanks -
You're welcome.
"Trawn-nah?"
spoken like a true native -
:-)
[ If we've mystified anyone, people actually from Toronto use only two
syllables. Although I'm not from there, actually, I was born in a place called
"Wooster" which is spelled "Worchester", so I've needed to pay attention to
this issue from early on. ]
--
-Chuck
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Re: getting DNS from DHCP IP address
David Banning wrote: My problem is that the server I use for DNS keeps going dead. My ISP is most familiar with windows users who get their DNS automatically from their connection. When my ISP gives me a good DNS server number, it seems to go dead six months later, and I have to call them again. Is there a way to get DNS automatically, say from the DHCP connection IP address given to me? or, is there some great free DNS server that will stay in business for some time that I can plug into my resolv.conf? I am in Toronto, Canada so I guess a DNS should be in reasonable proximity. Getting DNS server info from the ISP when you get your DHCP lease is the typical case, as far as I know (it really has nothing to do with Windows users). The special case as it may apply to FreeBSD home users is that you might want to be running a home network DNS server too (e.g. to host a "myhome.lab" domain). If you're doing that then you want the resolv.conf on your firewall to point to localhost (or your inside network server) as well as to the ISP DNS servers. This may be where you're coming from if you are editing resolv.conf by hand, whereas DHCP would normally populate resolv.conf for you every time your lease is renewed. What you probably want is to automatically merge your home network settings with the changing info provided by the ISP. Easy to do. I forget the specifics and am not at home to check my running config, but I am sure that everything you need is within: man dhclient.conf You're looking for a "prepend" command to put your local DNS server first in resolv.conf, and have DHCP append the ISP's servers. If you don't have an internal DNS server, all you need is to send the ISP a request for their DNS server addrs (which you'd also do with dhclient.conf). -- Greg Barniskis, Computer Systems Integrator South Central Library System (SCLS) Library Interchange Network (LINK) , (608) 266-6348 ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: getting DNS from DHCP IP address
> >Is there a way to get DNS automatically, say from the DHCP connection IP
> >address given to me? or, is there some great free DNS server that will
> >stay in business for some time that I can plug into my resolv.conf?
>
> DHCP will normally obtain DNS servers automaticly. It's likely that you
> could release and renew your lease ("dhclient -r", maybe?) and cause it to
> get new DNS info if the old values are no longer working.
Here may be the answer. I think of DHCP of being a server thing only,
to win boxes. I hadn't considered using dhclient on the freebsd host.
I will look into this. It sounds like the answer.
Thanks -
> "Trawn-nah?"
spoken like a true native -
--
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Re: getting DNS from DHCP IP address
David Banning wrote:
My problem is that the server I use for DNS keeps going dead.
My ISP is most familiar with windows users who get their DNS
automatically from their connection. When my ISP gives me a good
DNS server number, it seems to go dead six months later, and I have to
call them again.
Yuck. Ask them to set up DNS boxes which are not going to move.
Is there a way to get DNS automatically, say from the DHCP connection IP
address given to me? or, is there some great free DNS server that will
stay in business for some time that I can plug into my resolv.conf?
DHCP will normally obtain DNS servers automaticly. It's likely that you could
release and renew your lease ("dhclient -r", maybe?) and cause it to get new
DNS info if the old values are no longer working.
The other way would be to point to valid nameservers somewhere close, and use
those. Doing a "whois yourisp.net" might give you some idea.
I am in Toronto, Canada so I guess a DNS should be in reasonable proximity.
"Trawn-nah?" :-) Internet reachability matters more than physical location.
--
-Chuck
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