Lately we've been having this weird problem where the customer will work fine for a few days or weeks
then suddenly they can't get to major websites (i.e. yahoo, cnn, lycos, and can't even get to wyoming.com
which is on our own network), but they can get to google, foxnews and others.
If we change the MTU in their computer or router to 832 it works again.
Path MTU discovery broken on the path to those sites? http://www.faqs.org/rfcs/rfc1191.html
If big packets are working ok to google but not to yahoo, I'd be very surprised if the problem is caused by the wireless segment.
Is the customer able to ping the IP addresses (ping -l 1400 -t x.x.x.x) of the web sites they are having trouble reaching?
-- LarsG
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