[CentOS] Dell server dropping packets

[Gordon Messmer]

On 12/4/18 9:12 AM, Jerry Geis wrote:
> Hi All - I have a Dell R430 server running CentOS 7.5 that is dropping
> packets on the network.   Its connected to Cisco switch at AUTO for the
> port.


Does the switch have any logs for the port that the server is connected to?

Have you use "arping" to look for an IP address conflict on the network? 
(To test for a conflict for address 1.2.3.4 on the network attached to 
eth0, use: arping -c 2 -D -I eth0 1.2.3.4)