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Spirent TestCenter : Getting Error in RFC 3918 "Minimum Group Count is less than the number of available Multicast Group Blocks" while starting the command sequencer.

Environment/Versions
Spirent TestCenter
Benchmarking - RFC 3918

Screesnhot of the error:
Answer
Configure the Multicast group count in the  wizard "Test parameter" same as the number of groups device joined.
Screenshot:


Example:
100 Devices are joining 100 groups, so  need at least 100 groups specified in the RFC test. 

Root cause:Configuration Error ,Less number of group count configured.

Product : Benchmarking,Spirent TestCenter,RFC 3918