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Juniper NFX250 User Manual

Juniper NFX250
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Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Using the Examples in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Merging a Full Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Merging a Snippet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Architecture Overview
Chapter 1 Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Understanding Disaggregated Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Disaggregated Junos OS VMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Understanding Virtio Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Understanding SR-IOV Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Comparing Virtio and SR-IOV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Understanding Physical and Virtual Components . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Part 2 Installation
Chapter 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Managing Software Installation on NFX250 Network Services Platform . . . . . . . . 19
Upgrading an Image on the Disaggregated Junos OS Platform . . . . . . . . . . . . . . . 20
Reverting the System to the Factory-Default Configuration . . . . . . . . . . . . . . . . . 23
Rebooting the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Part 3 Management
Chapter 3 Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Understanding the JDM CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Accessing the JDM Shell, JDM CLI, and JCP Prompts in a Disaggregated Junos
OS Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Accessing the JDM CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Accessing the JDM Shell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Accessing the JCP Prompt from the JDM CLI . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Accessing the Hypervisor from the JDM CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
iiiCopyright © 2017, Juniper Networks, Inc.

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Juniper NFX250 Specifications

General IconGeneral
BrandJuniper
ModelNFX250
CategoryNetwork Hardware
LanguageEnglish

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