ssh/dhclient

[Kevin Martin]

On 01/27/2014 12:44 AM, bruce wrote:
> Got a test iisue/problem.
> 
> The situation is a group of test servers in a network that's managed
> by an upstream DHCP server.
> 
> I have no control of the upstream DHCP allocation of IP addresses.
> 
> All the test servers (5) are running centos 6.5 as a test. (I know,
> this is a fed channel, but the issues shoudl be the same!!)
> 
> The test boxes, run the nic/eth0.
> The boxes run NetworkManager
> All the boxes have the same /etc/resolv.conf
> All the boxes can ping each other
> 
> All the boxes are on a subnet of 192.168.5.x
> 
> The issue I'm trying to track down, is that one box can't seem to
> access the external 'net, ie ping www.google.com doesn't return, and
> an actual test of ping 1.2.3.4 where the 1.2.3.4 is the actual ip of
> google.com doesn't get processed.
> 
> I'm running/testing all of this remotely, so I was trying to see if
> there's a way to change/force a new ipaddress for the box in question.
> I'm curious to see if changing the ip on the box, will result in the
> test ping working...
> 
> Thoughts/comments things to check??
> 
> Thanks
> 

What does 'route' show as the default route for all of them?  If the default route is the same then I would suspect it's something
to do with a firewall (either local to the machine or the default firewall blocking access).

Kevin