<div dir="ltr"><br><br><div class="gmail_quote">On Sun, Jan 20, 2013 at 9:49 PM, Shachar Shemesh <span dir="ltr"><<a href="mailto:shachar@shemesh.biz" target="_blank">shachar@shemesh.biz</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Hi all,<br>
<br>
I have a really strange problem. On one of the computers in my
house, parts of the internet keep on disappearing. Sometimes half
the internet is inaccessible, and sometimes it's just a couple of
sites (google is a favorite for this problem).<br>
<br>
This is, most definitely, NOT a router or ISP problem. Other
computers on the same network are working fine. A virtual machine
connecting via a bridge on the same network is working fine (via NAT
it does not). <br>
<br>
Bringing the interface down and back up does not help.<br>
<br>
Existing connections remain connected, without a problem.<br>
<br>
The only thing that restores connectivity is rebooting (!!)<br>
<br>
There is nothing out of the ordinary in the routing table.<br>
<br>
Ideas?<span class="HOEnZb"><font color="#888888"><br>
<br><br></font></span></div></blockquote><div><br>Does ping work when the internet is 'down'? If so, I would go for:<br><br>TCP Timestamps, TCP SYN Cookies, Selective ACKs, Window Scaling<br><br>try eliminating all of them ;) <br>
</div></div><br>-- Shimi<br></div>