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Re: dynamic dns IP assignment from behind router



Matt Price wrote:
Hi folks,

I'm trying to get a dynamic dns client working on my home machines.
The home connection is dsl (bell sympatico in Canada), and works fine,
but the IP seems to be changing more often nowadays than it used to.
I've set up a little network between my office and my home, so it's
somewhat important for me to have some way of knowing what my home IP
is when I'm at work...  dynamic dns seems to be the answer.

At home, 3 computers (1 debian desktop, one debian laptop, one windoze
xp laptop) sit behind an SMC Barricade router.  IP assignment on this
intranet seems to work fine, and I only mention it b/c I suspect the
router plays into some of my difficulties (see below).

So I went and got an account at dyndns.org (mmtprice.dyndns.org). Set
up through their web interface works without a hitch, and I'm able to
change the IP address assigned to the domain name instantaneously on
the web site.  I verified this from a couple of different computers
using ping.

Unfortunately, though, I haven't yet been able to get any of the
dynamic dns clients available in debian to actually remap the hostname
correctly.  I've tried and failed with both ddclient and ipcheck,
leading me to wonder whether (a) I'm missing some basic point, or (b)
there's some serious problem with my setup.

-- neither script seems to be able to interact well with my router,
though both have switches that are meant to get IP data from the SMC router.
-- so I've resorted to using "checkip.dyndns.org" to figure out what
my IP address is.


I've been using this solution with ipcheck for a year now and it's worked very well.

Start with lots of debugging and you should be able to figure it out.

I never tried the ddclient and now that I think of it, I never used any .deb packages. These packages are small, stable and easy to install so I guess I just grabbed them from the dyndns.org website.

but I do know I used ipcheck.

I've since replaced all these worries with a "smoothie" (www.smoothwall.org) and it works great.
--
No problem is so formidable that you can't just walk away from it.
		-- C. Schulz



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