H3C MSR 5600, Руководство по настройке

Страница: 9 / 46

2
Figure 2 Two-chassis IRF fabric implementation schematic diagram
IRF benefits
IRF provides the following benefits:
•
Simplified topology and easy management —An IRF fabric appears as one node and is
accessible at a single IP address on the network. You can use this IP address to log in at any
member device to manage all the members of the IRF fabric. In addition, you do not need to run
the spanning tree feature among the IRF members.
•
1:N redundancy —In an IRF fabric, one member acts as the master to manage and control the
entire IRF fabric. All the other members process services while backing up the master. When
the master fails, all the other member devices elect a new master from among them to take over
without interrupting services.
•
IRF link aggregation —You can assign several physical links between neighboring members
to their IRF ports to create a load-balanced aggregate IRF connection with redundancy.
•
Multichassis link aggregation —You can use the Ethernet link aggregation feature to
aggregate the physical links between the IRF fabric and its upstream or downstream devices
across the IRF members.
•
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.
IRF link
An IRF
fabric is
formed.
Master
(Member ID=1)
Subordinate
(Member ID=2)
Active MPU
Device A
(Member ID=1)
Device B
(Member ID=2)
IRF physical
interfaces
IRF physical
interfaces
IRF-port 2 IRF-port 1
Network
interfaces
Network
interfaces
IRF
Standby MPU
Active MPU
Standby MPU
IRF’s master MPU
IRF’s standby MPU
IRF’s standby MPU
IRF’s standby MPU