Web Management Guide-R05

Table Of Contents
Chapter 13
| Basic Administration Protocols
Connectivity Fault Management
– 492
MAC Address
– MAC address of a remote MEP that is the target of a link
trace message. This address can be entered in either of the following
formats: xx-xx-xx-xx-xx-xx or xxxxxxxxxxxx
TTL
– The time to live of the link trace message. (Range: 0-255 hops)
Web Interface
To transmit link trace messages:
1.
Click Administration, CFM.
2.
Select Transmit Link Trace from the Step list.
3.
Select an entry from MD Index and MA Index.
4.
Specify the source MEP, the target MEP using either its MEP identifier or MAC
address, and set the maximum number of hops allowed in the TTL field.
5.
Click Apply.
6.
Check the results in the Link Trace cache (see "Displaying the Link Trace
Cache").
Figure 312: Transmitting Link Trace Messages
Transmitting
Loop Back Messages
Use the Administration > CFM (Transmit Loopback) page to transmit Loopback
Messages (LBMs). These messages can be used to isolate or verify connectivity
faults by submitting a request to a target node (i.e., a remote MEP or MIP) to echo
the message back to the source.
Command Usage
Loopback messages can be used for fault verification and isolation after
automatic detection of a fault or receipt of some other error report. Loopback
messages can also used to confirm the successful restoration or initiation of