Try using a program like IPerf (freeware). This program can tell you how you pass TCP or UDP traffic and can also flood your network to load test your links. However you may be blocking some ports for the application. Pings are great for low level connectivity tests, but does not test any upper layer ports and applications.Double check your routers/switches to assure there are no restrictions on your network blocking the traffic.
along the path there may be ACL configure on the routers that blocks the L4 port of the application. Taking a sniffer might shed some light on why it's failing but you need to find first where it's getting dropped or failing these applications.
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...