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IRF configuration
NOTE:
Switches running Release 6635 or a later release support establishing an IRF fabric with up to four
members. Switches running a release prior to Release 6635 support establishin
an IRF fabric with up to
two members.
Hardware compatibility
Switch model compatibility
• Among the A7500 Switch Series, these models support IRF: A7503, A7506, A7506-V, and A7510.
Only switches of the same models can form an IRF.
• The A7510 model supports establishing an IRF fabric with up to two members.
• Two A7510 switches can form an IRF fabric only when they use no LSQ1SRP1CB MPU.
Card compatibility
The MPUs in the same IRF member switch must be of the same model. It is a good practice to use the
same model of MPUs in all IRF member switches.
Hardware compatibility for an IRF fabric with three or four
members
The following cards cannot be used in an IRF fabric with three or four members:
• SA cards
• LSQ1SRP1CB MPUs
IRF overview
The HP Intelligent Resilient Framework (IRF) technology creates a large IRF fabric from multiple switches
to provide data center class availability and scalability. IRF virtualization technology offers processing
power, interaction, unified management, and uninterrupted maintenance of multiple switches.
Benefits
IRF delivers the following benefits:
• Simplified topology and streamlined management. An IRF fabric appears as one node on the
network. You can log in at any member switch to manage all members in the IRF fabric.
• High availability and reliability. One member switch works as the master to manage and maintain
the entire IRF fabric, and all other member switches process services and provide backup. If the
master fails, all other member switches elect a new master among them to prevent service
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