z/OS Communications Server
Destination has ARP entry?
Does the remote destination have an ARP entry for the IP address?
No, there is not an ARP entry for the IP address on the remote destination.
Yes, there is an ARP entry for the IP address on the remote destination.
Gather a CTRACE with options ICMP, VTAM, and INTERNET, as well as a concurrent packet trace. Contact IBM Software Support.