Virtual Connect and HP A-Series switches (A5820) IRF Integration Guide

9
BFD
MAD
 Fast convergence time
 Needs a separate link between two switches to act as a BFD MAD link
 Does not require switches outside the IRF domain
ARP
MAD
This MAD is not widely deployed. For more information, see the IRF configuration guide.
For more information on IRF and MAD, see the H3C S5820X & S5800 Series Ethernet Switches IRF
Configuration Guide.
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02648772/c02648772.pdf