Ogman, theoretically it shouldn't. I've been thoroughly through the
process, and I'll dig into this with the developer for that.
It may be becuase we're using an algorith developed for Teredo (Teredo is a
technology for tunneling IPv6 over IPv4. It's in Vista), and for Teredo to
work properly it has to have access to port mappings for the UDP "bubbles"
it uses.

However, I will follow up with more specifics. Aside from that are things
working well for you now? Does Vista still lose connectivity?

Cheers,

k.

"ogman" wrote in message
...
Karl,

Thanks for the reply. I upgraded the firmware and checked that the card
driver is the most recent. I ran the test you suggested and found that
UPnP
was "not supported." As I was going through the router settings, I noticed
that UPnP was disabled and I enabled it. I ran the test again. The first
time
everything except UPnP was good. After enabling UPnP, the test listed
Network
Address Translator Type as not supported. On the first test (before
enabling
UPnP), "the IGD's NAT type is RESTRICTED CONE." After UPnP is enabled,
"the
IGD's NAT type is SYMMETRIC."

My limited understanding of all of this suggests to me that, for now, my
problems may be solved, since IPv6 is not widely in use. However, I would
be
curious to know why turning on the UPnP changed the NAT type?

Thanks again.

"Karl Froelich [MS]" wrote:

This could well be an issue with your router. Differences in the
networking
stack between XP and Vista have exposed a lot of router bugs which were
hitherto hidden.

Vista uses UPnP much more heavily than XP ever did, and we've found that
a
lot of routers have suboptimal UPnP implementations, causing them to
crash.

1. Does this happen on both a wired connection to the router AND a
wireless
connection?

2. when Vista "loses" connection, does it come back automatically, or do
you
have to reboot your router? Do the other xp machines also lose
connectivity?

3. If ONLY the vista machine loses connectivity, then there is an issue
with
your vista machine. Make sure your drivers are all up to date. If
wireless, make sure you have the latest drivers for your card. Go to
linksys' website and verifiy that what you've got is the latest.

4. While you're there, make sure you have the latest firmware for your
router. We found a lot of bugs in router firmware during development,
and
the vendors posted a lot of firmware updates.

5. Then, try running the router tool at
http://www.microsoft.com/windows/usi...d/default.mspx, and see if
it
passes the tests.

If we can narrow the issue down to your router, that is, that when Vista
loses connectivity ALL the machines (xp too) lose connectivity, then
there
are some things worth trying:

A possible solution worth trying is to turn of UPnP. This can be done on
the router (you would have to log onto the routers config page, find out
where it has the UPnP on/off switch, and turn it off) or from the
machine
itself.

You can also try disabling window scaling.

So, please try these out:

1. Go to the webtool, and when the test is finished, click on the "view
detailed report" link, and copy that data off & save it.
2. turn off UPnP, either on the router or on the vista machine:
from an elevated command prompt,type the following:
a. sc config SSDPSRV start= disabled
b. net stop ssdpsrv or reboot the system
3. Try your test again. If it still fails after some perioed of time,
turn
off Window Scaling:
From an elevated command prompt, type the following:
a. netsh in tcp set gl auto=di
no reboot required

K.

"ogman" wrote in message
...
I have several machines, 2 Windows notebooks, a Mac, and another Windows
desktop running XP, that all keep their network connection perfectly.
The
only machine that drops the connection constantly is the one running
Vista.
I'm using a Linksys WUSB54GS wireless card and a Linksys WRT54GX
router,
and
this equipment worked fine under XP. The computer itself is more than
sufficient to run Vista.

Does anyone know why this problem continues? Any suggestions on how to
solve
it? Please don't tell me to go back to XP, I paid way too much for
Vista
to
not use it.

Now, a bit of a rant...why the heck, in the months of beta testing,
were
problems like this not solved? I have to say that Vista seems very much
like
a still-in-progress beta, rather than a commercial product. When is
this
OS
going to start coming together?

Sorry, but I am just frustrated with the continuing problems with
Vista. I
feel like I'm part of some unsolicited testing group.