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> OT: question for the computer network gurus ...
SirAndy
post Oct 24 2007, 12:43 PM
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ok, this one has me scratching my head ...


- there's a wireless broadband in my new house. the router is upstairs at my landlords and i have access.

- i use my laptops wireless to connect. laptop is windows XP home. access works fine and is fast.

- i then turned on internet connection sharing on the laptop and used the LAN card to feed the internet into a router.

- i connected my desktop to the router and i'm getting internet on that just fine as well. this box is windows XP as well.

- i don't use DHCP but rather static private IPs instead. range on the LAN is 192.168.0.1 and up. 1 being the routers IP. 10 for the desktop.

so far so good. everything works just fine.


now, two days ago, i added a second machine to the internal LAN. i set up the network the exact same way i did for the other desktop. IP is 11.
the only difference is that the new box is running windows vista home premium.

here's the problem:
on the vista box, i can ping anything just fine. the router, the other desktop, the wireless router upstairs, ANY website out there for a fact. DNS works, ping works,
but when i try to look up a website i always get the "page cannot be displayed" error.
(IMG:style_emoticons/default/confused24.gif)

and it gets even stranger! there's *one* website that works just fine.
i can access google.com without any problems. but nothing else works ...
(IMG:style_emoticons/default/WTF.gif)


- the network routing tables seems to be OK, as i can ping everything just fine.
- DNS works as i can resolve any name to IP.
- basic network protocols work as i can see the other desktop on the network.
- filesharing works as i can transfer files between the two desktops.


i tried and disabled all "security" features. turned off the firewall and windows defender and virus protection and such.
set IE to lowest security settings possible.
same thing, still can't get to any websites on the vista box ... (IMG:style_emoticons/default/mad.gif)


only thing i can think of, maybe the internet sharing on XP is somehow not 100% compatible with vista ???
(IMG:style_emoticons/default/unsure.gif) (IMG:style_emoticons/default/popcorn[1].gif)

HELP (IMG:style_emoticons/default/sheeplove.gif)
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Brando
post Oct 24 2007, 01:00 PM
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IPV4 and IPV6 problem.

I had just recently read an article about how Visat is very IPV6 heavy in it's usage. To the degree that it sometimes won't work in instances like this. Basically tunnels through itself to convert IPV6 packets to IPV4, and vice-versa. Something about how the packets really have IPv6 headers and resolving connections to IPs fail. Ex: http://www.domain.com works (DNS resolution) but http://11.22.333.444/ doesn't. \\YourComputer\ works but \\192.168.0.11\ doesn't.

Vista IPV6 Problems

Vista IPV6 Incompatible

Google!
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KaptKaos
post Oct 24 2007, 01:44 PM
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QUOTE(SirAndy @ Oct 24 2007, 11:43 AM) *


- i then turned on internet connection sharing on the laptop and used the LAN card to feed the internet into a router.



What router?

Why are you using a router behind your laptop instead of a switch/hub?

What is the IP address of the wireless NIC?

What is the IP address of the ethernet NIC in the laptop?

What happens if you turn off the XP desktop and give it's IP address to the Vista desktop?

Let's start there.
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SirAndy
post Oct 24 2007, 01:59 PM
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QUOTE(KaptKaos @ Oct 24 2007, 11:44 AM) *

QUOTE(SirAndy @ Oct 24 2007, 11:43 AM) *


- i then turned on internet connection sharing on the laptop and used the LAN card to feed the internet into a router.



Let's start there.


no ... (IMG:style_emoticons/default/biggrin.gif)


network and router work ... used a switch instead of the router and got the same results ...

the XP desktop works just fine behind the router, the vista box does not. and yes, i did the IP switching. no change.

is there a hotfix for either vista or xp to make them compatible when using ICS ???
(IMG:style_emoticons/default/idea.gif) Andy
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TravisNeff
post Oct 24 2007, 02:15 PM
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The article stated that you could remove IPV6 on the vista PC for a workaround
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Dr. Roger
post Oct 24 2007, 06:27 PM
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what happens if you connect straight from your vista box to your laptop bypassing the router/switch?
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angerosa
post Oct 24 2007, 06:51 PM
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My boss - who is a network guru (I'm a COTS developer for network management tools) discovered that his home router was not "Vista compatible". He had to go out and buy a newer router which was and everything worked fine. We can't fathom what vista is doing to the network stack on the packets it passing but somehow it doesn't work. Maybe other have a point with IPV6 stuff getting in the way. I had a colleague working on some IPV6 stuff and it's wierd.

Is it possible your landlord is using the same IP as your new machine? Maybe his DHCP range starts at .11?

Is it possible that he has the number of wireless clients allowed to connect set to one less than what you're trying to do?
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Dr. Roger
post Oct 24 2007, 07:29 PM
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this sound a lot like a security settings issue as you CAN access google.com. that means IP is working fine.

i'd try shutting off all security and all firewalls, on all machines and router/switch, restart everything, and give her a try.

does your vista box have mcafee/symantec and windows security installed?
is everything shut off and verified off?
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jd74914
post Oct 24 2007, 07:51 PM
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My brother was having this same problem with his new Vista PC. He couldn't figure it out and my Dad and I could come look at it so he brought it to campus tech support. It confused them too. When he gets it back I'll post up the problem if they tell him.
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McMark
post Oct 24 2007, 08:58 PM
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It's a Vista feature. Didn't you know the web is evil?
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Gint
post Oct 24 2007, 09:05 PM
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My money is on IPv6 issue. But I know very little of vista at this point.
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KaptKaos
post Oct 24 2007, 09:49 PM
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Color me skeptical, but I am not buying the v6 issue.

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Danny_Ocean
post Oct 24 2007, 10:06 PM
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QUOTE(SirAndy @ Oct 24 2007, 02:43 PM) *

The router is upstairs at my landlords and i have access.


Time for some fun! Download age-inappropriate pornography or send a threatening e-mail to the White House, then sit back and watch the Feds kick in your landlords door and drag him away! That should be good for a few months free rent... (IMG:style_emoticons/default/lol3.gif)
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bigkensteele
post Oct 24 2007, 10:19 PM
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Why in the hell do you want a PC with Vista? Load XP on it, and go along your merry way.

Microsoft Dictionary:

Obsolete = when it finally works well.
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zen motorcycle
post Oct 24 2007, 10:48 PM
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What is the path the connection is taking when you run a traceroute from Vista to www.google.com? There was an issue fixed with a patch that handled resource utilization with regards to network connections recently.

I would suspect ICS as a culprit. Can you connect router to router and eliminate ICS to see if Vista works.

google.com may be cached

How many NIC cards in the Vista machine. I had conflicts on mine originally with it trying to resove items through a nic that wasn't connected.
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SirAndy
post Oct 25 2007, 05:46 PM
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QUOTE(Travis Neff @ Oct 24 2007, 12:15 PM) *

The article stated that you could remove IPV6 on the vista PC for a workaround


tried that, didn't make any difference ...
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SirAndy
post Oct 25 2007, 05:46 PM
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QUOTE(Dr. Roger @ Oct 24 2007, 04:27 PM) *

what happens if you connect straight from your vista box to your laptop bypassing the router/switch?


no change, same thing. the router is just that, routing. it seems to be a problem between vista and ICS on XP ...
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SirAndy
post Oct 25 2007, 05:48 PM
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QUOTE(angerosa @ Oct 24 2007, 04:51 PM) *

Is it possible that he has the number of wireless clients allowed to connect set to one less than what you're trying to do?


switched IPs with the working XP desktop. no change. plus, my internal LAN network comes off my router. the only thing connected to the wireless network is my laptop. which works fine ...
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SirAndy
post Oct 25 2007, 05:49 PM
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QUOTE(Dr. Roger @ Oct 24 2007, 05:29 PM) *

this sound a lot like a security settings issue as you CAN access google.com. that means IP is working fine.

i'd try shutting off all security and all firewalls, on all machines and router/switch, restart everything, and give her a try.

does your vista box have mcafee/symantec and windows security installed?
is everything shut off and verified off?


everything shut off, no change ...
(IMG:style_emoticons/default/bye1.gif) Andy
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Jeffs9146
post Oct 25 2007, 06:31 PM
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Andy,

Have you tried hooking up the vista as the wireless connection and working it backwards from there? Maybe the Vista needs to be the primary?

Just a thought! (IMG:style_emoticons/default/confused24.gif)
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