Network Topology; Basic Concepts; Irf Member Roles; Irf Member Id - HP FlexFabric 5700 series Configuration Manual
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Network scalability and resiliency—Processing capacity of an IRF fabric equals the total
•
processing capacities of all the members. You can increase ports, network bandwidth, and
processing capacity of an IRF fabric simply by adding member devices without changing the
network topology.
Network topology
An IRF fabric can use a daisy-chain or ring topology. IRF does not support the full mesh topology. For
information about connecting IRF member devices, see
Basic concepts
IRF member roles
IRF uses two member roles: master and standby (called subordinate throughout the documentation).
When devices form an IRF fabric, they elect a master to manage and control the IRF fabric, and all the
other devices back up the master. When the master device fails, the other devices automatically elect a
new master. For more information about master election, see
IRF member ID
An IRF fabric uses member IDs to uniquely identify and manage its members. This member ID information
is included as the first part of interface numbers and file paths to uniquely identify interfaces and files in
an IRF fabric. For more information about interface and file path naming, see
conventions" and
If two devices have the same IRF member ID, they cannot form an IRF fabric. If the IRF member ID of a
device has been used in an IRF fabric, the device cannot join the fabric.
IRF port
An IRF port is a logical interface that connects IRF member devices. Every IRF-capable device supports
two IRF ports. The IRF ports are named IRF-port n/1 and IRF-port n/2, where n is the member ID of the
device. The two IRF ports are referred to as IRF-port 1 and IRF-port 2 in this book.
To use an IRF port, you must bind a minimum of one physical interface to it. The physical interfaces
assigned to an IRF port automatically form an aggregate IRF link. An IRF port goes down only if all its IRF
physical interfaces are down.
IRF physical interface
IRF physical interfaces connect IRF member devices and must be bound to an IRF port. They forward the
IRF protocol packets between IRF member devices and the data packets that must travel across IRF
member devices.
For more information about physical interfaces that can be used for IRF links, see
requirements."
"File system naming
conventions."
"Connecting IRF physical
"Master
2
interfaces."
election."
"Interface naming
"IRF physical interface
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