ADSL problem... any ideas?

[Tony Scharf]

you said the magic D-word.  You do know the D in D-Link stands for
'doesnt' dont you?

Actually, thats my first thought.  We have had a number of users here
at work who have tried to connect to our network via a VPN connection,
and the ones that have issues are uniformaly the D-Link crowd.  It
seems everyone I know who owns a D-Link anything has trouble with it.

Tony


On 10/5/07, Dave S <sly at mu-sly.co.uk> wrote:
> Hey folks, wondered if anyone has ever heard of something like this?
>
> A friend has an ADSL connection with a small network attached.
>
> Some websites work great, others don't appear at all.  For example, Yahoo
> works, Google (any Google site I can think of) doesn't, various random
> websites I've made usually work, as well as some parts of Sourceforge, but
> Slashdot and BBC News doesn't.
>
> I've checked the DNS resolution DHCP configuration, and pretty much everything
> on the network seems to be fine as far as I can see.  I can resolve any
> hostname (including non-working websites) using nslookup, and all machines on
> the network get correctly assigned IP addresses and other relevant details
> such as DNS servers via DHCP.  Everything looks like it should be fine, but
> it isn't!
>
> This is with a "new" (well, not brand new but factory reset) D-Link wireless
> router (model DSL-6404T/UK) to replace an old broken router, but so far all
> machines are on wired connections so it can't be a wireless problem either.
> The wireless is switched off, actually.
>
> I've been through all of the connection settings on the phone with the tech
> support people, and they all appear to be right.  Indeed, they must be pretty
> much there, because I can get to some websites completely fine.  So I managed
> to get to the D-Link website and find that this box isn't running the newest
> firmware - gonna sort that next week, as I couldn't download it from their
> FTP site (which didn't work), so need to take it with me on a memory stick
> from home!  :-S
>
> But overall, this is a very weird problem, and I'm somewhat stumped.  I've
> never see it where some websites work and others don't, and I can't spot any
> sort of pattern that makes sense.  It's completely consistent (Google never
> works, Yahoo always does) but also seems completely random.
>
> Any ideas anyone?  Where should I look that I may not already have looked?
> Could it be related to MTU or anything like that?  (I doubt it, and besides,
> I've already tried lowering that, and it didn't make any difference.)
>
> Maybe the router is just borked, but it came from a relatively reliable source
> who said it was working fine, so I've no reason to think it would be.
>
> Cheers,
>
> ~Dave
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