Chapter 42 Diagnostic
VMG8825-B Series User’s Guide
303
Figure 190 Maintenance > Diagnostic > 802.1ag
The following table describes the fields on this screen.
Table 146 Maintenance > Diagnostic > 802.1ag
LABEL DESCRIPTION
802.1ag Connectivity Fault Management
IEEE 802.1ag
CFM
Select Enable or Disable to activate or deactivate the IEEE802.1ag CFM (Connectivity Fault
Management) specification, which allows network administrators to identify manage
connection faults.
Y.1731 Select Enable or Disable to activate or deactivate Y.1731, which monitors Ethernet
performance.
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.
MD Name Enter a descriptive name for the MD (Maintenance Domain).
MA ID Enter a descriptive name to identify the Maintenance Association.
802.1Q VLAN ID Type a VLAN ID (1-4094) for this MA.
Local MEP ID Enter the local Maintenance Endpoint Identifier (1~8191).
CCM Select Enable to continue sending MEP information by CCM (Connectivity Check Messages).
When CCMs are received the VMG will always process it, no matter if CCM is enabled or not.
Remote MEP ID Enter the remote Maintenance Endpoint Identifier (1~8191).
Test the connection to another Maintenance End Point (MEP)
Destination
MAC Address
Enter the target device’s MAC address to which the VMG performs a CFM loopback and
linktrace test.
Test Result
Loopback
Message (LBM)
This shows Pass if a Loop Back Messages (LBMs) responses are received. If LBMs do not get a
response it shows Fail.
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