Strange ICS behaviour

  • Thread starter Thread starter Kevin J Prince
  • Start date Start date
K

Kevin J Prince

I have three computers, all XP Pro, they have happily been communicating
and allowing me to connect to the Internet from all PC's.
Suddenly I can communicate with any of the PC's ;but only the one with
the ADSL modem on can now get on to the Internet.
One of the client PC's (peer to Peer network) used to be able to telnet
also, that just comes back with a message about winsock.

Any ideas what might have happened and waht I can do about it?

Regards
 
Kevin J said:
I have three computers, all XP Pro, they have happily been communicating
and allowing me to connect to the Internet from all PC's.
Suddenly I can communicate with any of the PC's ;but only the one with
the ADSL modem on can now get on to the Internet.
One of the client PC's (peer to Peer network) used to be able to telnet
also, that just comes back with a message about winsock.

Any ideas what might have happened and waht I can do about it?

Regards
Click to expand...

I don't know what went wrong, but disabling and re-enabling ICS on the
host PC might fix it.

After doing that, disable and the re-enable the network connection on
each of the client PC's.
--
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Steve Winograd, MS-MVP (Windows Networking)

Please post any reply as a follow-up message in the news group
for everyone to see. I'm sorry, but I don't answer questions
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http://mvp.support.microsoft.com
 
Steve Thanks for the reply.
Tried your suggestion> Made no difference sadly.

Just been looking at the client PC's, they show no ADSL gateway in the
view all connections area...

If I do a setup small home or business, It always ends up wanting to
create a disk etc But never shows the gateway.

Should I, on the client PC's remove the NIC, reboot and reinstall the
NIC?

Or hopefully, is there a better way of doing it?

Regards Kevin
 
Right the thot plickens

For some reason the DNS settings on each PC had been zero'd.
I now have reset them and have access to the Internet on all PC's, but I
still one outstanding strangeness

On all the pc's I can access the Internet, even a laptop.
BUT
I can't connect to the update windows on the laptop or in fact any
Microsoft site. I can connect to other sites, update them etc, but not
the Windows update site....

This is very strange indeed.

Regards Kevin
 
Correction>

None of the client PC's can access any Microsoft sites...... Server PC
can access with no problem......

This is just getting stranger and stranger...

All systems scanned for virus's, and spyware... Nothing shown

On the browser the sequence of events is it goes to the update page then
redirects itself to v5.windowup...etc, then just stops and get nowhere
finally tells me. 'Page you are looking for cannot be displayed'

Anyone any ideas on this please... I'm trying to update my laptop with
some new software which will not install until the windows update is
done...

Cheers Kevin
 
I've had this issue before. I used to be a big ICS user. I've had success
in reducing the MTU setting in the registry.

MTU sets the maximum size of data packets sent and received, and it must
match the type of connection you have--dial-up, PPPoE (most DSL and cable),
or LAN. The standard maximum value for TCP/IP is 1500, but for dial-up
connections it should be 576 to ensure minimal packet fragmentation. For
PPPoE, an MTU of no more than 1492 is recommended. Some ISPs and virtual
private network connections require a setting as low as 1300 to allow for
the differences in all the networking gear in the system and for data
encryption overhead.

I had to reduce mine to about 1450 for it to be happy. Do a google search
and you should find webpages that have instructions on how to change this
setting.

Corey Warren
 
I've had this issue before. I used to be a big ICS user. I've had success
in reducing the MTU setting in the registry.

MTU sets the maximum size of data packets sent and received, and it must
match the type of connection you have--dial-up, PPPoE (most DSL and cable),
or LAN. The standard maximum value for TCP/IP is 1500, but for dial-up
connections it should be 576 to ensure minimal packet fragmentation. For
PPPoE, an MTU of no more than 1492 is recommended. Some ISPs and virtual
private network connections require a setting as low as 1300 to allow for
the differences in all the networking gear in the system and for data
encryption overhead.

I had to reduce mine to about 1450 for it to be happy. Do a google search
and you should find webpages that have instructions on how to change this
setting.

Corey Warren
Click to expand...

http://www.annoyances.org/exec/show/article04-107
http://support.microsoft.com/?id=314825
http://support.microsoft.com/?id=319661
http://www.allensmith.net/Windows/ICS/xpICSmtu.htm

--
Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
My email is AT DOT
actual address pchuck sonic net.
 
Thanks Guys,
Just having a look at these issues, will have a good read later and let
the group know if it fixed the problem..
Much appreciated..
Regards Kevin
 
Well what else can I say, but

YES and THANK YOU.

It worked a treat, It's nice to have NG's that really work when you need
them.

Cheers guys (and gals of course)

Regards Kevin
 
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