On Thu, 01 Dec 2011 22:16:02 GMT
cdurbin <cdurbin@no-mx.forums.novell.com> wrote:

> I am having an odd problem that I have not been able to find a
> solution to:
> -Hardware-
> I have a Dell 2970 Server with 8GB RAM running SLES 11 SP1 Fully
> patched
> which runs Apache 2.x and PHP 5.3.x
> Cisco 4500 Switch
> Remote MySQL 5.1.x Server running on a vmware server.
> -Problem-
> We currently have a PHP application running on an older machine that
> runs SLES 10 SP2 and uses the MySQL server mentioned above.
> We have outgrown that machine so we setup the 2970 for the
> application. However, when we try to run the same app it runs great
> for a few minutes then we will get "dead spots" where the browser
> thinks and nothing is displayed. Eventually the page will show, but
> the lag is very annoying. If I do a traceroute, during the dead
> spots, to the MySQL server from the new box, the first one comes back
> OK, the 2nd and 3rd one timeout. If I let the box sit for a few
> minutes, without network activity, the behavior returns to normal and
> eventually (usually
> within a few minutes) it will exhibit the dead spots again. During the
> time where it operates properly, all traceroutes come back OK.
> The current server doesn't have any issues at all.
> We have been over switch settings, linux settings etc. etc. and we
> cannot find an answer to the issue.
> Any help would be greatly appreciated.

Have you checked the ifconfig output for interface errors? Have
you tried an alternative ethernet interface or card?

RX packets:40568 errors:0 dropped:0 overruns:0 frame:0
TX packets:31791 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
Cheers Malcolm °¿° (Linux Counter #276890)
openSUSE 11.4 (x86_64) Kernel
up 2:26, 3 users, load average: 0.15, 0.17, 0.11
GPU GeForce 8600 GTS Silent - Driver Version: 290.10