An HP IRF virtual switch with two members is implementing SPBM. The administrator wants to ensure that the master can fail without causing topology changes or changes in forwarding tables in the SPBM region. Which setting helps support this requirement?
A. tandem replication for multicasts
B. persistent MAC address for IRF
C. Bidirectional Forwarding Detection (BFD) Multi-Active Detection (MAD) for the IRF link
D. non-stop-forwarding for SPBM