26Configuring TSTThe TST function detects bit errors on a link, and monitors and manages the link transmissionperformance. The TST function takes effect only in CFD IEEE 802.1ag.To configure TST:Step Command Remarks1. Enter system view. system-view N/A2. Configure TST.cfd tst service-instance instance-idmep mep-id { target-macmac-address | target-meptarget-mep-id } [ number number ][ length-of-test length ][ pattern-of-test { all-zero | prbs }[ with-crc ] ]By default, TST is disabled.To view the test result, use thedisplay cfd tst command on thetarget MEP.Displaying and maintaining CFDTask Command RemarksDisplay CFD and AIS status.display cfd status [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay the CFD protocol version.display cfd version [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay MD configurationinformation.display cfd md [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay MA configurationinformation.display cfd ma [ [ ma-name ] md{ md-name | level level-value } ] [ |{ begin | exclude | include }regular-expression ]Available in any viewDisplay service instanceconfiguration information.display cfd service-instance[ instance-id ] [ | { begin | exclude| include } regular-expression ]Available in any viewDisplay MEP list in a serviceinstance.display cfd meplist[ service-instance instance-id ] [ |{ begin | exclude | include }regular-expression ]Available in any viewDisplay MP information.display cfd mp [ interfaceinterface-type interface-number ][ | { begin | exclude | include }regular-expression ]Available in any viewDisplay the attribute and runninginformation of the MEPs.display cfd mep mep-idservice-instance instance-id [ |{ begin | exclude | include }regular-expression ]Available in any view
