This usually indicates a host configuration issue. A host firewall is the most common issue I see. For instance Windows Server 2008 R2 will, by default, not respond to ping (icmp echo request) due to Windows Firewall settings.
To troubleshoot I do a packet capture on the destination system (after verifying subnet mask etc.) to see if the incoming packets are seen.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...