apmgtw probe not sending QOS Metrics to APM

Document ID : KB000124516
Last Modified Date : 15/01/2019
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Issue:
QOS Metrics that are published to APM EPAgent from UIM apmgtw probe do not appear in Workstation Metric Browser
Environment:
RedHat Linux 7.5
CA UIM 9.0.2
CA APM 10.7
APMGTW 3.2.2
Cause:
apmgtw probe and APM are installed in different subnets and firewall was blocking the communication.
Resolution:
confirm ports required for probe to use db and connect to primary hub from secondary

48003 (bi-directional for tunnel)
48000 outgoing
48002 outgoing
1433 outgoing
48019 outgoig (data_engine defined in probe variables on primary hub)