Home » Cisco » 642-885 » Which two features are used to provide high availability multicast?
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
Correct Answer: BD
Explanation/Reference:
Explanation:
Triggered joins are sent when the primary or the secondary RPF information changes. No RPF change prunes are sent for MoFRR streams.
mofrr
To perform a fast convergence (multicast-only fast reroute, or MoFRR) of specified routes/flows when a failure is detected on one of multiple equal-cost paths between the router and the source, use the mofrr command under PIM configuration mode.
mofrr rib acl_name
no rib acl_name