802.3Ah (Oam) - ZyXEL Communications VMG4005-B60A User Manual

Table 25 Maintenance > Diagnostic > 802.1ag (continued)
LABEL
MD Name
MA ID
MEG ID
802.1Q VLAN ID
Local MEP ID
CCM
Remote MEP ID
Test the connection to another Maintenance End Point (MEP)
Destination
MAC Address
Test Result
Loopback
Message (LBM)
Linktrace
Message (LTM)
Apply
Send Loopback
Send Linktrace

17.5 802.3ah (OAM)

Click Maintenance > Diagnostic > 803.ah to open the following screen. Link layer Ethernet OAM
(Operations, Administration and Maintenance) as described in IEEE 802.3ah is a link monitoring protocol.
It utilizes OAM Protocol Data Units (OAM PDU's) to transmit link status information between directly
connected Ethernet devices. Both devices must support IEEE 802.3ah.
Figure 44 Maintenance > Diagnostic > 802.3ah
Chapter 17 Diagnostic
DESCRIPTION
Enter a descriptive name for the MD (Maintenance Domain).
Enter a descriptive name to identify the Maintenance Association.
Enter a descriptive name to identify the Maintenance Entity Group. This field only appears if the
Y.1731 field is enabled.
Type a VLAN ID (1-4094) for this MA.
Enter the local Maintenance Endpoint Identifier (1~8191).
Select Enable to continue sending MEP information by CCM (Connectivity Check Messages).
When CCMs are received the VMG will always process it, whether CCM is enabled or not.
Enter the remote Maintenance Endpoint Identifier (1~8191).
Enter the target device's MAC address to which the VMG performs a CFM loopback and
linktrace test.
This shows Pass if a Loop Back Messages (LBMs) responses are received. If LBMs do not get a
response it shows Fail.
This shows the MAC address of MEPs that respond to the LTMs.
Click this button to save your changes.
Click this button to have the selected MEP send the LBM (Loop Back Message) to a specified
remote end point.
Click this button to have the selected MEP send the LTMs (Link Trace Messages) to a specified
remote end point.
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