D-Link DGS-3000 series, Reference Manual

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DGS-3000 Series Layer 2 Managed Gigabit Ethernet Switch CLI Reference Guide
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Restrictions
Only Administrators, Operators and Power-Users can issue this command.
Example
To start management lock:
DGS-3000-26TC:admin# cfm lock md op-domain ma op-ma mepid 1 remote_mepid 2
action start
Command: cfm lock md op-domain ma op-ma mepid 1 remote_mepid 2 action start
Success.
DGS-3000-26TC:admin#
cfm loopback 16-20
Description
This command is used to start a CFM loopback test. You can press Ctrl+C to exit the loopback test.
The MAC address represents the destination MEP or MIP that can be reached by this MAC
address. The MEP represents the source MEP to initiate the loopback message.
Format
cfm loopback <macaddr> [mepname <string 32> | mepid <int 1-8191> md [<string 22> |
md_index <uint 1-4294967295>] ma [<string 22> | ma_index <uint 1-4294967295>]] {num <int
1-65535> | [length <int 0-1500> | pattern <string 1500>] | pdu_priority <int 0-7>}
Parameters
<macaddr> - Enter the destination MAC address here.
mepname - Specify the MEP name used.
<string 32> - Enter the MEP name used here. This name can be up to 32 characters long.
mepid - Specify the MEP ID used.
<int 1-8191> - Enter the MEP ID used here. This value must be between 1 and 8191.
md - Specify the maintenance domain name.
<string 22> - Enter the maintenance domain name here. This name can be up to 22
characters long.
md_index - Specify the maintenance domain index.
<uint 1-4294967295> - Enter the maintenance domain index value here. This value
must be between 1 and 4294967295.
ma - Specify the maintenance association name.
<string 22> - Enter the maintenance association name here. This name can be up to 22
characters long.
ma_index - Specify the maintenance association index.
<uint 1-4294967295> - Enter the maintenance association index value here. This value
must be between 1 and 4294967295.
num - (Optional) Number of LBMs to be sent. The default value is 4.
<int 1-65535> - Enter the number of LBMs to be sent here. This value must be between 1 and
65535.
length - (Optional) The payload length of the LBM to be sent. The default is 0.
<int 0-1500> - Enter the payload length here. This value must be between 0 and 1500.
pattern - (Optional) An arbitrary amount of data to be included in a Data TLV, along with an
indication whether the Data TLV is to be included.