ZyXEL Communications XGS3600 Series Manual page 258

You can scroll to select the direction with "Ingress" or "Egress".
Ingress: This is a Ingress (down) MEP - monitoring ingress traffic on 'Residence Port'.
Egress: This is a Egress (up) MEP - monitoring egress traffic on 'Residence Port'.
Residence Port :

The port where MEP is monitoring - see 'Direction'. You need to assign a port to monitor
the MEP status.
Level :

The MEG level of this MEP. Shared MEGs are the case where there is no encapsulation of
the ETH frames differently between subscriber's frames and SP's frames. Hence they
share the pool of MEG levels, where the customer can use 5 through 7 and the SP and
operate use the rest. If there is a different encapsulation, then each can use all 8 levels,
hence they are independent.
Flow instance :

The MEP is related to this flow - See 'Domain'. MEP monitors the flow by sending periodic
CCMs for that flow.
Tagged VID :

Port MEP: An outer C/S-tag (depending on VLAN Port Type) is added with this VID.
Entering '0' means no TAG added.
This MAC :

The field will display the MEP device MAC address. Switch will detect the MEP device
MAC address. The MAC of this MEP - can be used by other MEP when unicast is selected
(Info only).
Alarm :

The field will display the MEP alarm data. There is an active alarm on the MEP. .
Buttons:

Add new MEP - Click to add a new MEP entry.
Apply – Click to apply changes.
Reset- Click to undo any changes made locally and revert to previously saved
values.
Upper right icon (Refresh):

You can click them for refresh the refresh information by manual.
XGS3600 Series User's Guide
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