[LUNI] Strange wireless AP issue

Gerald Guglielmo gug at fnal.gov
Tue Oct 31 10:53:23 CST 2006


Hi,
    Possibly a problem with the router itself? I had a D-Link router 
hooked up to a cable modem for a couple of years with few problems. Then 
I started noticing once in a while the internal network would still work 
but connecting to the external network would fail. Power cycling the 
cable box would sometimes resolve the problem and sometimes power 
cycling the router instead would be needed. Over time this became more 
frequent and I could find no good way with that setup to isolate the 
problem to the cable company side, the cable modem or the router. I did 
try various arrangements but it was at the point of having to power 
cycle devices multiple times before it would work. The only complaint I 
would see from the router was a timeout on trying to renew the DHCP 
lease. Anyway when this reached the point of being an issue every day, I 
went and bought a new router (same basic one) configured it like the old 
one, and swapped it in. Haven't had to power cycle anything since then 
(over six weeks), so I guessed right that the issue was the 
communication between the router and the cable modem and replacing what 
I could before calling the cable company.
    Barring a hardware problem developing, it would be good to know if 
this happens to a connection while you are actively using it 
(downloading a large file for example), or only to connections with no 
activity for a while.


Michael Labowicz wrote:
> Hi all,
> I have a 2WIRE HomePortal 1800HG wireless router/dsl access point on my 
> home
> network.  Until recently it was doing a great job, but its behaving oddly
> over the past few weeks.  The issue I'm seeing is that computers that are
> connecting over wifi are having their connections go inactive after being
> connected for a while.  This is causing problems when I want to SSH into my
> freevo PVR (which is connected wirelessly) or when my wife tries to user 
> her
> winxp laptop to connect to the internet (she gets occasional time-outs).  I
> admit that my description of the problem is a bit obscure, but I'm at a 
> loss
> to what it exactly is... Is there a setting on the router or on each of the
> computers where I can prevent this inactivity?
> 
> It's happening on my windows and linux boxes so I don't think its a problem
> on the client side, it must be on the AP.  Any help would be greatly
> appreciated!
> 

-- 
-Jerry->
gug at fnal.gov
Pepe's Theory of everything: "Under the right circumstances, things happen."


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