Re: SBS 4.5 Slow Internet (Odd Problem!)

From: Al Williams (donotreplydirect_at_usenewsgroup.com)
Date: 05/20/04 

Date: Thu, 20 May 2004 08:21:17 -0600

So other server services run fine when the internet is slow? (ie: server
file shares are normal, login speed is normal)
(I ask this because our server is still experiencing a problem where it will
slow down every few days and require a reboot)

Is surfing from the server OK?

How are the clients internet connections settings setup? - using Proxy 2.0
at 10.0.0.2 port 80 (in this mode the web proxy service is used)

Maybe remove the proxy settings from one client (ie: just turn off proxy and
go direct to the LAN) and see if it helps. This will force IE to use
winsock proxy (note this will only work if the client has the proxy client
software installed).

Check the status of the proxy server. If the winsock method works faster
then check the web proxy service - clear its cache, logs, etc. 

-- 
Allan Williams
"John Chapman" <jwc@gtscad.com> wrote in message
news:IJ2rc.6520$NK4.661927@stones.force9.net...
> Hi
>
> We are running SBS 4.5 with a typical 2 NIC broadband solution. We have
> installed a number of these solutions for various clients and they all
work
> well.
>
> From Last Monday PM, ourselves and also one client, experienced a slow
down
> in the Internet service. All speedtests, router diagnostics etc. indicate
> good line quality with speed just below nominal. Packet transmission tests
> (DSLreports) are fine. Exchange Server is fine with SMTP mail and I can
> remote in to the problem site at full speed. The problem is that the speed
> of loading of web pages is very variable and they often time out.
Downloads,
> however, are at the nominal speed. The ISP says there is not a problem and
> other clients using the same ISP say they are unaffected. However tracert
> shows long delays and timeouts at various nodes. Now here is the
interesting
> bit.....
>
> If I plug my laptop directly into the router, I get no problem. All pages
> load at the expected rate.
>
> All devices are using roughly the same TCP/IP parameters and there doesn't
> seem to be a DNS problem. Sometimes tracert shows a reasonable delay in
DNS
> lookup but this is just part of the variability of the whole thing.
>
> My tests with the laptop (running XP) seem to point to it being an SBS
> problem. The problem site and ourselves are even using different routers.
>
> This is driving me mad - any ideas?
>
> Regards
>
> John Chapman MBCS CITP
>
>

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