Figure 2 A network that comprises two IRF domains
Device A
Device C
IRF split
IRF split occurs when an IRF fabric breaks up into two or more IRF fabrics because of IRF link failures, as
shown in
Figure
forwarding problems on the network. To quickly detect a multi-active collision, configure at least one
MAD mechanisms (see
Figure 3 IRF split
IRF merge
IRF merge occurs when two split IRF fabrics reunite or when two independent IRF fabrics are combined,
as shown in
Core network
IRF 1 (domain 10)
IRF link
IRF 2 (domain 20)
IRF link
Access network
3. The split IRF fabrics operate with the same IP address and cause routing and
"IRF multi-active
Figure
4.
Device B
Device D
detection").
4