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Fault Management
Utilize this screen for diagnostics regarding your VDSL PTM or Ethernet WAN connection.
Fault Management is compliant with IEEE 802.1ag for Connectivity Fault Management.
After selecting
Diagnostics -> Fault Management
from the left navigation bar, select values for the
Maintenance Domain (MD)
Level, Destination MAC Address
to test and enter the applicable (if any)
802.1Q VLAN ID.
Reference IEEE 802.1ag for additional details.
The individual fields on this screen are defined as follows:
Field Name
Description
Maintenance Domain (MD) Level
[0-7] Maintenance Domains are management space on a network, typically owned
and operated by a single entity. MDs are configured with Names and Levels, where
the eight levels range from 0 to 7. A hierarchical relationship exists between domains
based on levels. The larger the domain, the higher the level value.
Looback Message (LBM)
Used on-demand as the first step to isolate a fault.
Maintenance End Point (MEP)
Points at the edge of the domain, defines the boundary for the domain.
Linktrace Message (LTM)
Identifies all maintenance points in the entity.