ZyXEL Communications Corporation VMG1312B10A Manuel D’Utilisation

Chapter 35 Diagnostic

VMG1312-B10A User’s Guide

Click Maintenance > Diagnostic > 8.2.1ag to open the following screen. Use this screen to 
perform CFM actions. 

Maintenance > Diagnostic > 802.1ag 

The following table describes the fields in this screen. 

Maintenance > Diagnostic > 802.1ag

802.1ag Connectivity Fault Management 

Maintenance 
Domain (MD) 
Level

Select a level (0-7) under which you want to create an MA.

Destination 
MAC Address

Enter the target device’s MAC address to which the Device performs a CFM loopback test.

802.1Q VLAN 
ID

Type a VLAN ID (0-4095) for this MA.

VDSL Traffic 
Type

This shows whether the VDSL traffic is activated.

Loopback 
Message (LBM)

This shows how many Loop Back Messages (LBMs) are sent and if there is any inorder or 
outorder Loop Back Response (LBR) received from a remote MEP.

Linktrace 
Message (LTM)

This shows the destination MAC address in the Link Trace Response (LTR).

Set MD Level

Click this button to configure the MD (Maintenance Domain) level.

Send Loopback

Click this button to have the selected MEP send the LBM (Loop Back Message) to a specified 
remote end point.

Send Linktrace

Click this button to have the selected MEP send the LTMs (Link Trace Messages) to a 
specified remote end point.