An HP IRF virtual switch with two members is implementing TRILL. The administrator wants
to ensure that the master can fail without causing topology changes or changes in
forwarding tables in the TRILL region. Which setting helps support this requirement?
A.
non-stop-forwarding for TRILL
B.
Graceful Restart for TRILL
C.
Bidirectional Forwarding Detection (BFD) Multi-Active Detection (MAD) for the IRF link
D.
calculation of at least two trees
Explanation: