Sudden Slow Performance

[Takao HOGE! Tsukiyama]

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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