Slowdown on wireless network.

I've tried restarting all equipment, and my ISP says there are no delays
between them and my cable router. But for the last two days, my web
browsing, email and other things have slowed to a crawl. Happening on 2
computers, a mac and xp laptop.

I have a Linksys WRT54G upstairs with a powerline connection to the Linksys
WAP 54G. Signal to WAP is excellent.

Any ideas?
I have turned off WEP to WAP for testing. No other SSID's appear in the
neighborhood except my own.

Jeff
~~~~~~~~~~~~
Jefferis Peterson, Pres.
Web Design and Marketing
http://www.PetersonSales.com



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On Mon, 15 Aug 2005 08:55:47 -0400, Jefferis NoSpamme
<(E-Mail Removed)> wrote:

>I've tried restarting all equipment, and my ISP says there are no delays
>between them and my cable router. But for the last two days, my web
>browsing, email and other things have slowed to a crawl. Happening on 2
>computers, a mac and xp laptop.
>
>I have a Linksys WRT54G upstairs with a powerline connection to the Linksys
>WAP 54G. Signal to WAP is excellent.
>
>Any ideas?
>I have turned off WEP to WAP for testing. No other SSID's appear in the
>neighborhood except my own.

Are both your computers connected via wireless. Do some
troubleshooting. Plug one of them directly into your WRT54G router
with an ethernet cable and see if you still have the same problem. If
so, then it's not the wireless.

I don't trust your unspecified ISP to proved remote diagnostics for
your home LAN. Assuming you're running Windoze XP, run:
Start -> Run -> cmd <enter>
tracert www.PetersonSales.com
You should see about 30msec (or less) latency between your system and
the ISP's gateway. Additional delays beyond the ISP's gateway should
also be visible. Look for packet loss:
http://networking.ringofsaturn.com/IP/traceroutedoc.php

A more common problem is that you have a worm that is generating
considerable local traffic. This should be visible with the flashing
lights on your WRT54G. If you see excessive and almost continuous
traffic, disinfect your PC from whatever it has caught.

If you're problem appears to be wireless related, try changing
channels at the WRT54G. You may have a new neighbor or municipal
installation that has recently appeared and does not show on your site
survey tool because they took some "expert" advice and turned off SSID
broadcasting.


--
Jeff Liebermann (E-Mail Removed)
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
AE6KS 831-336-2558

Hi Jeff,
Thanks. I don't use my WIN XP laptop for anything but checking my own
websites, no emails, and I have protection :-) I did contact my ISP again
by phone because I've been seeing this lag get worse and worse over the last
2 months. Finally, they are seeing a problem when they ping their cable
modem directly before it reaches my computer, so they are now thinking it is
on their end. It may either be in their cable, their mode, or something in
their lines. I was going crazy trying to diagnose this on my end.


On 8/15/05 11:52 AM, in article (E-Mail Removed),
"Jeff Liebermann" <(E-Mail Removed)> wrote:

> You should see about 30msec (or less) latency between your system and
> the ISP's gateway. Additional delays beyond the ISP's gateway should
> also be visible. Look for packet loss:
> http://networking.ringofsaturn.com/IP/traceroutedoc.php
>
> A more common problem is that you have a worm that is generating
> considerable local traffic. This should be visible with the flashing
> lights on your WRT54G. If you see excessive and almost continuous
> traffic, disinfect your PC from whatever it has caught.
>
> If you're problem appears to be wireless related, try changing
> channels at the WRT54G. You may have a new neighbor or municipal
> installation that has recently appeared and does not show on your site
> survey tool because they took some "expert" advice and turned off SSID
> broadcasting.

~~~~~~~~~~~~
Jefferis Peterson, Pres.
Web Design and Marketing
http://www.PetersonSales.com



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On Mon, 15 Aug 2005 13:42:41 -0400, Jefferis NoSpamme
<(E-Mail Removed)> wrote:

>I did contact my ISP again
>by phone because I've been seeing this lag get worse and worse over the last
>2 months. Finally, they are seeing a problem when they ping their cable
>modem directly before it reaches my computer, so they are now thinking it is
>on their end. It may either be in their cable, their mode, or something in
>their lines. I was going crazy trying to diagnose this on my end.

If your ISP can see latency and packet loss problems, so can you from
your computah. Run "tracert" as previously described.

Your cable modem probably has an internal web server capeable of
dispensing diagnostics. I don't want to go into what to look for
because you apparently did try running any of my suggested
diagnostics.

I can't tell who's your ISP, but methinks their web pile might have
some cable modem troubleshooting tips. Whenever I deal with cable
modem issues at my customer, it commonly appears to be a problem with
splitters, insufficient signal levels, amplifiers, wiring, bad crimps,
chewed coax, couplers, and return path ingres. If you're not
confident that your installation is functional, try disconnecting the
entire house from the cable, and just connecting the cable modem with
a direct connection. If that works, it's your problem.


--
Jeff Liebermann (E-Mail Removed)
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
AE6KS 831-336-2558

They came out yesterday {Amstrong Cable} and checked all the lines, but
could not find any problem on the lines with packet loss or traceroutes. The
problem is intermittent, and while it was happening in the AM it wasn't when
they got here. They gave me a new modem, just in case, and I've not had any
problems since then. Will be able to tell if I continue without problems
for a few weeks, then we got it.
Thanks
Jeff


On 8/15/05 8:59 PM, in article (E-Mail Removed),
"Jeff Liebermann" <(E-Mail Removed)> wrote:

> I can't tell who's your ISP, but methinks their web pile might have
> some cable modem troubleshooting tips. Whenever I deal with cable
> modem issues at my customer, it commonly appears to be a problem with
> splitters, insufficient signal levels, amplifiers, wiring, bad crimps,
> chewed coax, couplers, and return path ingres. If you're not
> confident that your installation is functional, try disconnecting the
> entire house from the cable, and just connecting the cable modem with
> a direct connection. If that works, it's your problem.

~~~~~~~~~~~~
Jefferis Peterson, Pres.
Web Design and Marketing
http://www.PetersonSales.com



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