ZyXEL Communications P-870HN-5xb - Page 274

Chapter 26 Diagnostic
P-870HN-5xb User’s Guide
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which terminates a VP or VC segment. End-to-end flows are terminated at the end
point of a VP or VC connection, where an ATM link is terminated. Segment
loopback tests allow you to verify integrity of a PVC to the nearest neighboring
ATM device. End-to-end loopback tests allow you to verify integrity of an end-to-
end PVC.
Note: The DSLAM to which the Device is connected must also support ATM F4 and/or
F5 to use this test.
Note: This screen is available only when you configure an ATM layer-2 interface.
Figure 156 Maintenance > Diagnostic > OAM Ping Test
The following table describes the fields in this screen.
Table 99 Maintenance > Diagnostic > OAM Ping Test
LABEL DESCRIPTION
Select a PVC on which you want to perform the loopback test.
F4 segment Press this to perform an OAM F4 segment loopback test.
F4 end-end Press this to perform an OAM F4 end-to-end loopback test.
F5 segment Press this to perform an OAM F5 segment loopback test.
F5 end-end Press this to perform an OAM F5 end-to-end loopback test.