H3C S5820X SERIES High Availability Configuration Manual

Also see for s5800 series: Installation manual Instruction manual Command reference Quick start Troubleshooting guide

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H3C S5820X SERIES High Availability Configuration Manual Manual pdf 39 page image

27To do... Use the command... RemarksFind the path between a sourceMEP and a target MEPcfd linktrace service-instanceinstance-id mep mep-id{ target-mep target-mep-id |target-mac mac-address } [ ttlttl-value ] [ hw-only ]RequiredAvailable in any viewEnter system view system-view —Enable LT messages automaticsendingcfd linktrace auto-detection [ sizesize-value ]RequiredDisabled by default.Configuring AISThe AIS function suppresses the number of error alarms reported by MEPs.Follow these steps to configure AIS:To do… Use the command… RemarksEnter system view system-view —Enable AIS cfd ais enable RequiredDisabled by default.Configure the AIS frametransmission levelcfd ais level level-valueservice-instance instance-idRequiredNot configured by default.Configure the AIS frametransmission intervalcfd ais period period-valueservice-instance instance-idOptional1 second by default.NOTE:• To make an MEP in the service instance send AIS frames, you must configure the AIS frame transmissionlevel to be higher than the MD level of the MEP.• Enable AIS and configure the proper AIS frame transmission level on the target MEP, so the target MEPcan suppress the error alarms and send the AIS frame to the MD of a higher level. If you enable AIS butdo not configure the proper AIS frame transmission level on the target MEP, the target MEP can suppressthe error alarms, but cannot send the AIS frames.Configuring LMThe LM function measures frame loss between MEPs, including the number of lost frames, the frame lossratio, and the average number of lost frames for the source and target MEPs.Follow these steps to configure LM:To do… Use the command… RemarksEnter system view system-view —Configure LMcfd slm service-instance instance-id mep mep-id{ target-mac mac-address | target-meptarget-mep-id } [ number number ]RequiredDisabled by default.