Irf Split; Irf Merge - HP FlexFabric 12900 Series Configuration Manual

Figure 3 A network that contains two IRF domains
Device A
Device C

IRF split

IRF split occurs when an IRF fabric breaks up into multiple IRF fabrics because of IRF link failures, as
shown in Figure
forwarding problems on the network. To quickly detect a multi-active collision, configure a minimum of
one MAD mechanism (see
Figure 4 IRF split

IRF merge

IRF merge occurs when two split IRF fabrics reunite or when two independent IRF fabrics are united, as
shown in Figure
Core network
IRF fabric 1
(domain 10)
IRF link
IRF fabric 2
(domain 20)
IRF link
Access network
4. The split IRF fabrics operate with the same IP address and cause routing and
"Configuring
5.
Device B
Device D
MAD").
7