Which two features are used to provide high availability multicast? (Choose two.)
A . BFD
B . NSF/SSO
C . PIM NSR
D . PIM triggered join
E . IGMP triggered report
F . MSDP
Answer: B,D
Explanation:
Triggered joins are sent when the primary or the secondary RPF information changes. No RPF
change prunesare sent for MoFRR streams.
mofrr
To perform a fast convergence (multicast-only fast reroute, or MoFRR) of specified routes/flows when a failureis detected on one of multiple equal-cost paths between the router and the source, use the mofrr commandunder PIM configuration mode.
mofrr rib acl_name
no rib acl_name