[CentOS] centos server network speed check???

On 3/28/11 7:32 PM, mcclnx mcc wrote:
> I don't think it is cable problem.  The reason are:
>
> 1. it happen every 3 to 4 weeks once.
>
> 2. problem last 4 to 5 hours then back to normal.
>
> 3. not one server has this problem, several servers on that rack all have problem at same time.

Is this slowness in sustained throughput (big ftp, etc.) or in establishing 
connections?  If the latter you could have a DNS problem, like your first-choice 
resolver being down or slow.

-- 
   Les Mikesell
     lesmikesell at gmail.com