Sudden Slow Performance
Takao HOGE! Tsukiyama
takao at tsukiyama.com
Tue Dec 16 02:59:52 UTC 2008
May occur Broadcast-Storm at any segment.
Check Loop-Cable at Locak SW-HUB in some small conference room.
> Kelvin Williams wrote:
>
> We’ve been operating one of our DHCP Servers for approximately 6 months without any issues. This server is on a network with about 2,500 hosts. The server has worked flawlessly until last week
> when it became extremely slow.
>
>
>
> Clients are having to send multiple DISCOVERs before the server will respond, and sometimes the server does not respond timely to a REQUEST. Causing the clients to timeout and stop attempting.
>
>
>
> We’ve reviewed the server’s load, and its very, very light. vmstat doesn’t show any bottlenecks in the processor or disk. The current version we are running is 3.1.1;
>
>
>
> As I stated, this all occurred within the last week. Can anyone recommend something to check? Or is there a way to get greater verbosity from the debug mode?
>
>
>
> Many thanks in advance.
>
> Kw
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