you wrote nothing about line usage i´d recomend to graph the dsl-line-usage on a 1 second intervall-base to see if you have peaks. additionally put a icmp paket loss to it - then you see if line usage corresponds to paket or link loss.
also have a look for link loss - check your modem if the dsl link was rebuilt in problem times - frequency problems on the copper lines grows - so it´s "normal" that lines begin to get bad while dsl-line count in the neighbourhood grows. check if your router log´s that - also check link status with your provider - if the dsl line is on the edge of maximum speed it could help to reduce bandwith with x percent (eg: 20%)
and of course: check if you have viruses in the lan - there are a lot of mass-spreading viruses who can sit on a user´s notebook and overload the router nat table and causes such problems...
i hope this basic recomendations can help you
gruezi from austria :-) bernd
-----Original Message----- From: swinog-bounces@lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] On Behalf Of Olivier Mueller Sent: Wednesday, March 05, 2008 2:32 PM To: swinog@swinog.ch Subject: [swinog] VDSL/Zyxel P2802 HWL not "strong" enough for a small company LAN?
Hello, bonjour,
I'm not sure it is the right place to ask this, but as most the members of this list are working for companies selling *DSL services, maybe there will be a match :)
The network of one of the companies I'm working for is connected to internet simply via a green.ch VDSL line, over a Zyxel P2802. Everything was fine until a few weeks ago, and now I'm getting more and more "Timeout, server not responding." messages in my (even active) terminals connected via ssh to remote hosts, and jabber/imap/etc. connections are getting randomly disconnected too after a few minutes or hours.
I guess it's a problem related to the company size: it grew during the last months, and now there are about 20 employee, which makes about 40-50 terminals (PC + VoIP Phones + a few internal servers) connected to the LAN.
Is it possible that the Zyxel device is not the proper one anymore for this case? Rebooting doesn't really help, and there are no special messages in the logs, CPU Usage ~ 13%, Memory Usage ~ 60%. Feedback from Studerus Support was to upgrade the Firmware, but it was already up to date... I have the same Router @home and never got this kind of issue.
What would you try next? If you think I should get some more hardware (and use the Zyxel as a bridge), what would you then recommend ?
Thanks for your attention & a nice end of week to you :-) Olivier
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