Simens Sl2-141 shuts down once in a while

Apr 28, 2009

-   My SL-2141 Wireless Router (also from Beseq) looses the internet connection and needs a hard restart every 45~120 minutes (recently degraded, used to work fine for about 18 months, only needing a hard restart every few days).
I notice that when the internet connection is lost, the wifi hub still works, because I can see the other computers on the wifi and I can even ping the router itself (it responds).
However, I can't telnet or http to it (non-responsive), until I restart it.
I tried upgrading the firmware to latest version, but it didn't affect the problem.
-   eshedg