Chapter 17 Diagnostic
VMG4005-B50A/B60A User’s Guide
61
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
MD Name
Enter a descriptive name for the MD (Maintenance Domain).
MA ID
Enter a descriptive name to identify the Maintenance Association.
MEG ID
Enter a descriptive name to identify the Maintenance Entity Group. This field only appears if the
Y.1731
field is enabled.
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, whether
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
.
Linktrace
Message (LTM)
This shows the MAC address of MEPs that respond to the LTMs.
Apply
Click this button to save your changes.
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.
Table 25 Maintenance > Diagnostic > 802.1ag (continued)
LABEL
DESCRIPTION
Содержание VMG4005-B50A
Страница 8: ...8 PART I User s Guide ...
Страница 22: ...22 PART II Technical Reference ...
Страница 46: ...Chapter 13 Time Settings VMG4005 B50A B60A User s Guide 46 Figure 31 Maintenance Time ...
Страница 57: ...Chapter 16 Backup Restore VMG4005 B50A B60A User s Guide 57 Figure 41 Maintenance Reboot ...
Страница 65: ...65 PART III Troubleshooting and Appendices ...