[CentOS] CentOS networking problem

Thu Dec 23 04:34:36 UTC 2010
Nico Kadel-Garcia <nkadel at gmail.com>

On Wed, Dec 22, 2010 at 11:17 PM, Aravindh Ramaswamy
<aravindhramu at gmail.com> wrote:
> Sir/Madam,
>
> This is Aravindh,final year student of Anna University India.We are carrying
> on research in Cloud Computing and using Open Nebula toolkit for that;for
> which we need strong network connectivity. The problem i am facing is that i
> am not able to ping continuously to other nodes in the network. The
> connectivity is getting lost after 2-3 minutes. we have inspected the
> connectivity links , switch etc. and found them to be normal. In fact it
> pings continuously in other OS. Is there any problem in CentOS network
> connectivity packages? Help needed urgently..

Pinging continuously can be detected by some firewall as part of
denial-of-service attack, which can then block ICMP packages, even
block them selectively.

How often are you pinging, and from how many other nodes?