Web Management Guide-R05

Table Of Contents
Chapter 13
| Basic Administration Protocols
Connectivity Fault Management
– 493
connectivity. The receiving maintenance point should respond to the loop back
message with a loopback reply.
The point from which the loopback message is transmitted (i.e., a local DSAP)
and the target maintenance point must be within the same MA.
If the continuity check database does not have an entry for the specified
maintenance point, an error message will be displayed.
When using the command line or web interface, the source MEP used by to
send a loopback message is chosen by the CFM protocol. However, when using
SNMP, the source MEP can be specified by the user.
Parameters
These parameters are displayed:
MD Index
– Domain index. (Range: 1-65535)
MA Index
– MA identifier. (Range: 1-2147483647)
Source MEP ID
– The identifier of a source MEP that will send the loopback
message. (Range: 1-8191)
Target
MEP ID
– The identifier of a remote MEP that is the target of a loopback
message. (Range: 1-8191)
MAC Address
– MAC address of a remote MEP that is the target of a
loopback message. This address can be entered in either of the following
formats: xx-xx-xx-xx-xx-xx or xxxxxxxxxxxx
Count
– The number of times the loopback message is sent. (Range: 1-1024)
Packet Size
– The size of the loopback message. (Range: 64-1518 bytes;
Default: 64 bytes)
Web Interface
To transmit loopback messages:
1.
Click Administration, CFM.
2.
Select Transmit Loopback 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, set the number of times the loopback message is to be sent.
5.
Click Apply.