2
interruption. You can perform link aggregation not only for IRF links but also for physical links
between the IRF fabric and its upper or lower layer devices for link redundancy.
• Network scalability and resiliency. You can increase ports, network bandwidth, and processing
capability of an IRF fabric simply by adding member switches. Each member switch has its own
CPU and can independently process and forward protocol packets.
Application scenario
Figure 1 shows an IRF fabric that comprises two switches, which appear as a single node to the upper
and lower layer devices.
Figure 1 IRF application scenario
IP network
IRF
IP network
IRF link
Equal to
Master
Slave
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