Chapter 40 Diagnostic
VMG8924-B10D/B30D User’s Guide
288
Figure 177 Maintenance > Diagnostic > 802.1ag
The following table describes the fields in this screen.
40.5 OAM Ping
Click Maintenance > Diagnostic > OAM Ping to open the screen shown next. Use this screen to perform
an OAM (Operation, Administration and Maintenance) F4 or F5 loopback test on a PVC. The VMG sends
an OAM F4 or F5 packet to the DSLAM or ATM switch and then returns it to the VMG. The test result then
displays in the text box.
Table 142 Maintenance > Diagnostic > 802.1ag
LABEL DESCRIPTION
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 VMG performs a CFM loopback test.
802.1Q VLAN ID Type a VLAN ID (1-4094) for this MA.
VDSL Traffic
Type
This shows whether the VDSL traffic is activated.
Test the connection to another Maintenance End Point (MEP)
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.
Test the connection to another Maintenance End Point (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.