I will assume that these are directly connected clients i.e. They do not route through a SOCKS server.
Each application server needs to be able to:
- Resolve the name of the managed server with the RSCD agent
- Route to and connect over the network to TCP port 4750
So the standard network connectivity check can be carried out first, can it resolve the name, can it ping, connect to port 4750.
If the answer is no check the normal culprits:
- Local firewalls/IPTables on the managed server
- Routing entries and gateway configuration on the managed server
- Hardware firewall/ACL routers in the network path
If we execute a telnet by 4750 port to destination target the system show "Connection Time out", the system resolve the name and connect to the port, is distinct of "Connection refused".
The server is added in console correctly. The two appservers are in the same network, appserver2 work OK with the target server but the appserver1 has problems connection time out.
Should we investigate at OS level?
If Appserver1 cannot connect using telnet then you need to look at the OS/Network level between this application server and the managed server.
Until you can successfully connect with telnet it is nothing to do with BSA
Check with the Network team for the port issues.. or OS Firewall if the port is opened.. Also, check for the route defined in the OS..