Here is the "XCF D A" output from one ESP system:
XCF D A
Group=QS10, Member=QS10M
Partner Service Status Connection
Listener DSTRIG Active
Listener ROUTING Active
Listener SCOREBD Active
Listener TRACKING Active
QS10S DSTRIG Active 1,49
QS10S ROUTING Active 3,50
QS10S SCOREBD Active 6,51
QS10S TRACKING Active 7,52
QS10S2 DSTRIG Active 2,48
QS10S2 ROUTING Active 4,49
QS10S2 SCOREBD Active 5,50
QS10S2 TRACKING Active 8,51
Component: ESP Workload Automation
Release: ALL
The first number in the "XCF D A" command output gives the local connection number and the second gives the remote connection number.
They can be needed for other XCF commands, for example, "XCF PURGE CONNECTION" command needs the first (local) connection number to purge the connection.