Lenovo RackSwitch G8296 User manual

Lenovo RackSwitch G8296

ONIE Quick Start Guide

for Lenovo Network Operating System

Note: Before using this information and the product it supports, read the general information in the

Safety information and Environmental Notices and User Guide documents on the Lenovo Documentation CD,

and the Warranty Information document that comes with the product.

Second Edition (February 2017)

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General

Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set

forth in Contract No. GS-35F-05925.

Lenovo and the Lenovo logo are trademarks of Lenovo in the United States, other countries, or both.

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Connecting to the G8296 . . . . . . . . . . . . . . . . . . . . . 6

Switch Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Mini-USB Serial Console Port . . . . . . . . . . . . . . . . . . . . . 7

Geographic Layout of the Temperature Sensors . . . . . . . . . . . . . 8

ONIE on the G8296 . . . . . . . . . . . . . . . . . . . . . . . 11

Installing the ONIE FoD License Key . . . . . . . . . . . . . . . . . . 12

Obtaining the ONIE License Key . . . . . . . . . . . . . . . . . . 12

Installing the ONIE License Key on CNOS . . . . . . . . . . . . . . 13

Uninstalling the ONIE License Key on CNOS . . . . . . . . . . . 13

Installing ONIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Installing ONIE on CNOS . . . . . . . . . . . . . . . . . . . . . 14

Booting in ONIE Mode . . . . . . . . . . . . . . . . . . . . . . . . 16

Booting in ONIE Install Mode. . . . . . . . . . . . . . . . . . . . 16

Booting in ONIE Uninstall Mode . . . . . . . . . . . . . . . . . . 17

Booting in ONIE Update Mode . . . . . . . . . . . . . . . . . . . 18

Booting in ONIE Rescue Mode . . . . . . . . . . . . . . . . . . . 18

The Boot Management Menu . . . . . . . . . . . . . . . . . . . . . . 19

Uninstalling the Lenovo Network OS . . . . . . . . . . . . . . . . . . 20

Using ONIE without Lenovo Network OS . . . . . . . . . . . . . . . . 21

4 Lenovo ONIE Quick Start Guide for G8296

Overview

The Open Network Install Environment (ONIE) is a small Linux-based operating

system that provides an open install environment for network switches without

operating systems.

ONIE enables a network switch ecosystem where end-users can choose among

different Network Operating Systems (NOS). Practically, ONIE boots on a switch,

discovers NOS installer images available on the local network or USB drive, copies

the chosen image to the switch, and provides an environment where the installer

can load the NOS onto the switch.

ONIE is classified as free software, meaning it can be redistributed and/or modified

under the terms of version 2 of the GNU General Public License as published by the

Free Software Foundation. To read the license, visit the following link:

https://github.com/opencomputeproject/onie/blob/master/COPYING

For more details about ONIE, go to

onie.org

Lenovo ONIE Image

To download the Lenovo ONIE image, visit the following website:

http://support.lenovo.com/

The ONIE images for the G8296 have the

[ONIE]

tag in their name, as follows:

for Lenovo Cloud Network OS:

Lenovo Rackswitch G8296 [ONIE] 10.x.x.0

6 Lenovo ONIE Quick Start Guide for G8296

Connecting to the G8296

This section describes how to connect to the Lenovo RackSwitch G8296. For more

details about the switch and on how to install the switch hardware, consult the

Lenovo RackSwitch G8296 Installation Guide

Switch Unit

The G8296 is a 2U GbE switch and it can be rack-mounted in a horizontal position.

The following illustrations show the features on the front and rear panels of the

switch:

Figure 1. G8296 front panel

Figure 2. G8296 management panel detail

Figure 3. G8296 rear panel

93 95

94 96

89 91

90 92

SFP+ Ports QSPF+ Ports

Management Panel

SFP+ Ports QSPF+ Ports

Reset Button

Mini-USB

Serial Console Port

USB Port

RJ-45

Management Port

Status LEDs

Fan Modules Power Supply Modules

Mini-USB Serial Console Port

The mini-USB port on the front management panel is available for switch console

management. The port operates using RS-232 serial communications. A compatible

console cable kit is included with the switch.

To connect a computer or terminal to the switch using the included kit, first connect

the console cable to the mini-USB port on the front panel. Connect one end of the

Category 5 patch cable to the RJ-45 port on the console cable and the other end of

the patch cable to the RJ-45-to-DB9 adapter (see the following illustration).

Figure 4. Console cable connections

The computer or terminal must run a terminal emulator (for example, SecureCRT,

HyperTerminal, or PuTTY). The console port terminal emulation requirements are

as follows:

• Default baud rate: 9,600 bps

• Character size: 8 characters

• Parity: none

• Stop bits: 1

• Data bits: 8

• Flow control: none

To PC

Terminal

Switch

RJ-45 Adapter

Category 5

Patch Cable

Switch

Console Cable

8 Lenovo ONIE Quick Start Guide for G8296

Geographic Layout of the Temperature Sensors

The following illustrations show the location of the temperature sensors (pointed

out with red arrows) on the main and CPU boards.

Figure 5. G8296 CPU Board Temperature Sensors

Ambient

U8, I2C @ 1001.101x on CH0

of PCA9546, P4040 I2C Bus 3

Figure 6. G8296 Main Board Temperature Sensors

Front of the card

U5, I2C @ 1001.001x on CH0

of PCA9548, P4040 I2C Bus 1

Close to switch ASIC

U16, I2C @ 1001.010x

on CH0 of PCA9548, P4040 I2C Bus 1

Rear of the card

U38, I2C @ 1001.000x on CH0

of PCA9546, P4040 I2C Bus 2

10 Lenovo ONIE Quick Start Guide for G8296

Figure 7. G8296 Daughter Card Temperature Sensors

Front of the card

U10, I2C @ 1001.100x on CH1

of PCA9548, P4040 I2C Bus 1

Rear of the card

U17, I2C @ 1001.101x on CH1

of PCA9548, P4040 I2C Bus 1

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