VIAVI TestCenter: IGMP join latency test on DX3-100GQ-T8 should report a duplicate join but instead provides a join latency measurement

Knowledge Base - FAQ

• Multicast traffic is started • It is received on the Spirent TestCenter (STC) IGMP host port • The Multicast -> IGMP-MLD Group Results -> IGMP Host-Group Results results view shows a join latency measurement but it really should report a "Duplicate Join"   • From STC's help files, a Duplicate Join is when      "DUT was forwarding multicast traffic for this group prior to the join being sent. "
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