Juniper QFabric QFX3000-G Hardware Documentation page 73

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There are two different server Node group types:

Autogenerated server Node group—By default, each Node device is placed in its own

self-named Node group to connect to servers and storage. No configuration is necessary,

but the QFabric system provides no redundancy for this type of Node group.

Redundant server Node group—You can override the default, autogenerated server

Node group assignment by manually configuring a redundant server Node group that

contains a maximum of two Node devices. You can use a redundant server Node group

to provide multihoming services to servers and storage, as well as configure aggregated

LAG connections that span the two Node devices.

The Node devices in a redundant server Node group must be of the

same type, either two QFX3500 Node devices, two QFX3600 Node devices,

or two QFX5100 Node devices. You cannot mix and match different Node

device models in the same redundant server Node group.

Configuring Node Groups for the QFabric System

Understanding Node Devices on page 18

Understanding Routing Engines in the QFabric System on page 13

Understanding the QFabric System Hardware Architecture on page 7

Chapter 1: QFX3000-G QFabric System Overview

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