Arp Mad - HP 12500 SERIES Configuration Manual

Figure 8 BFD MAD application scenario
Master

ARP MAD

ARP MAD detects multi-active collisions by using extended ARP packets that convey the IRF
domain ID and the active ID.
You can set up ARP MAD links between neighbor IRF member devices, or more commonly, between
each IRF member device and an intermediate device (see
you must also run the spanning tree feature between the IRF fabric and the intermediate device.
Customer
premise
network
Device
IRF
BFD MAD link
VLAN 2
192.168.1.2/24
IRF link
Internet
Link aggregation
VLAN 2
192.168.1.3/24
Standby
11
Figure 9). If an intermediate device is used,