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Huawei Quidway S3900 Series User Manual

Huawei Quidway S3900 Series
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Operation Manual – IRF Fabric
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 IRF Fabric Configuration
Huawei Technologies Proprietary
1-1
Chapter 1 IRF Fabric Configuration
1.1 Overview
1.1.1 Introduction to IRF
Several IRF (intelligent resilient framework) supported switches of the same model can
be interconnected to form a fabric, in which each switch is a unit. The ports used to
interconnect all the units are called fabric ports, while the other ports that are used to
connect the fabric to users are called user ports. In this way, you can increase ports and
switching capability by adding devices to the fabric. In addition, reliability of the system
will be improved because the devices within the fabric can backup each other. This
feature brings you many advantages:
z Realizes unified management of multiple devices. Only one connection and one IP
address are required to manage the entire fabric. Therefore, management cost is
reduced.
z Enables you to purchase devices on demand and expand network capacity
smoothly. Protects your investment to the full extent during network upgrade.
z Ensures high reliability by N+1 redundancy, avoids single point failure, and
lessens service interruption.
Fabric
Fabric port
user port
Fabric
Fabric port
user port
Figure 1-1 Fabric
Fabric Topology Management (FTM) function can manage and maintain fabric topology.
FTM on each unit exchanges information with other units, including unit ID, fabric name,
and the authentication mode between units, by using a special kind of protocol packets.
It manages and maintains fabric topology according to the acquired information. For
example, when a new device is connected to a fabric, FTM will determine whether it
should establish a new fabric with the device according to the information.

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Huawei Quidway S3900 Series Specifications

General IconGeneral
BrandHuawei
ModelQuidway S3900 Series
CategorySwitch
LanguageEnglish

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