D-Link DGS-3620-52T CLI Guide - Page 233
cfm loopback <macaddr> [mepname <string 32> | mepid <int 1-8191> md [<string 22
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xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide Format cfm loopback [mepname | mepid md [ | md_index ] ma [ | ma_index ]] {num | [length | pattern ] | pdu_priority } Parameters - Specify the destination MAC address. mepname - Specify the MEP name. - Specify the MEP name. The maximum length is 32 characters. mepid - (Optional) Specify the MEPID. - Specify the MEP MEPID between 1 and 8191. md - (Optional) Specify the maintenance domain name. - Specify the maintenance domain name. The maximum length is 22 characters. md_index - Specifies the MD index value used. - Enter the MD index value used here. This value must be between 1 and 4294967295. ma - (Optional) Specify the maintenance association name. - Specify the maintenance association name. The maximum length is 22 characters. ma_index - Specifies the MA index value used. - Enter the MA index value used here. This value must be between 1 and 4294967295. num - (Optional) Specify the number of LBMs to be sent. The default value is 4. - Specify the value between 1 and 65535. length - (Optional) Specify the payload length of the LBM to be sent. The default is 0. - Specify the value between 0 and 1500. pattern - (Optional) Specify an amount of data to be included in a Data TLV, along with an indication whether the Data TLV is to be included. - Enter the pattern value used here. This value can be up to 1500 characters long. pdu_priority - (Optional) Specify the 802.1p priority to be set in the transmitted LBMs. If not specified, it uses the same priority as CCMs and LTMs sent by the MA - Specify the value between 0 and 7. Restrictions None. (EI Mode Only Command) Example To start a CFM loopback test: DGS-3620-28SC:admin#cfm loopback 00-01-02-03-04-05 mepname mep1 Command: cfm loopback 00-01-02-03-04-05 mepname mep1 Request timed out. Request timed out. Reply from MPID 52: bytes=xxx time=xxxms Request timed out. CFM loopback statistics for 00-01-02-03-04-05: Packets: Sent=4, Received=1, Lost=3(75% loss) 228