ZyXEL Communications VMG4005-B50A, User Manual, Page: 60 / 86

Chapter 17 Diagnostic
VMG4005-B50A/B60A User’s Guide
60
17.4 802.1ag (CFM)
Click Maintenance > Diagnostic > 802.1ag to open the following screen. Use this screen to configure
and perform Connectivity Fault Management (CFM) actions as defined by the IEEE 802.1ag standard.
CFM protocols include Continuity Check Protocol (CCP), Link Trace (LT), and Loopback (LB).
Figure 43 Maintenance > Diagnostic > 802.1ag
The following table describes the fields in this screen.
Table 25 Maintenance > Diagnostic > 802.1ag
LABEL DESCRIPTION
802.1ag Connectivity Fault Management
IEEE 802.1ag
CFM Click this switch to enable or disable the IEEE802.1ag CFM specification, which allows network
administrators to identify and manage connection faults. When the switch goes to the right
, the function is enabled. Otherwise, it is not.
Y.1731 Click this switch to enable or disable Y.1731, which monitors Ethernet performance. When the
switch goes to the right
, the function is enabled. Otherwise, it is not.
Interface Select the interface on which you want to enable the IEE 802.1ag CFM.
Maintenance
Domain (MD)
Level Select a level (0-7) under which you want to create an MA.