Lenovo ThinkSystem NE2572 User manual

Lenovo ThinkSystem NE2572 RackSwitch

ONIE Quick Start Guide

for Lenovo Cloud 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.

First Edition (September 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 NE2572 . . . . . . . . . . . . . . . . . . . . 6

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

RJ45 Serial Console Port . . . . . . . . . . . . . . . . . . . . . . . 7

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

ONIE on the NE2572 . . . . . . . . . . . . . . . . . . . . . . . 11

ONIE Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Installing ONIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Booting in ONIE Mode . . . . . . . . . . . . . . . . . . . . . . . . 19

Booting in ONIE Install Mode. . . . . . . . . . . . . . . . . . . . 19

Booting in ONIE Uninstall Mode . . . . . . . . . . . . . . . . . . 20

Booting in ONIE Update Mode . . . . . . . . . . . . . . . . . . . 21

Booting in ONIE Rescue Mode . . . . . . . . . . . . . . . . . . . 23

The Grub Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

The BIOS Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Uninstalling the Lenovo Network OS . . . . . . . . . . . . . . . . . . 29

Using ONIE without Lenovo Network OS . . . . . . . . . . . . . . . . 30

4 Lenovo ONIE Quick Start Guide for NE2572

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 on a 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

6 Lenovo ONIE Quick Start Guide for NE2572

Connecting to the NE2572

This section describes how to connect to the Lenovo ThinkSystem NE2572

RackSwitch. For more details about the switch and on how to install the switch

hardware, consult the

Lenovo ThinkSystem NE2572 RackSwitch Installation Guide

Switch Unit

The NE2572 is a 1U 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. NE2572 front panel

Figure 2. NE2572 management panel detail

Figure 3. NE2572 rear panel

25 GbE SFP28 Ports

Management Panel 100 GbE QSPF28 Ports

RJ45

Management

Port

USB

Port

Reset

Button

Status

LEDs

RJ45

Console Port

RJ45 Serial Console Port

The RJ45 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, connect one

end of the Category 5 patch cable to the RJ-45 console port of the switch 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: 115,200 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

8 Lenovo ONIE Quick Start Guide for NE2572

Geographic Layout of the Temperature Sensors

The following table offers information about the CPU board temperature sensor

which is shown in

Figure 5

(pointed out with red).

The following table offers information about the main board temperature sensors

which are shown in

Figure 6

(pointed out with red).

Table 1. NE2572 CPU Board Temperature Sensors Information

Name of Temperature Sensor Sensor Information

U7 - Thermal sensor for CPU I2C @ 1001-111X on Intel CPU SMBus 0

Table 2. NE2572 Main Board Temperature Sensors Information

Name of Temperature Sensor Sensor Information

U2 - Rear of the Card I2C @ 1001-100X on CH3 of PCA9548

Intel CPU SMBus 0

U38 - Hot Spot I2C @ 1001-101X on CH2 of PCA9548

Intel CPU SMBus 0

Figure 5. NE2572 CPU Board Temperature Sensors

10 Lenovo ONIE Quick Start Guide for NE2572

Figure 6. NE2572 Main Board Temperature Sensors

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