Juniper QFX5220-32CD Manuale utente

Quick Start Guide

QFX5220-32CD Quick Start Guide

IN THIS GUIDE

System Overview | 1

Tools and Parts Required for Installation | 2

Part 1: Mount the Switch into a 4-Post Rack | 3

Part 2: Ground the Chassis and Connect Power | 5

Connect Power to the Switch | 5

Part 3: Connect the QFX5220-32CD to the Network and Perform the Initial Configuration | 7

QFX5220-32CD Safety Warning Summary | 9

System Overview

The QFX5220-32CD offers 32 ports of 400-Gigabit Ethernet in a low-profile 1 U form factor. With 12.8 Tbps bandwidth,

the QFX5220-32CD is optimally designed for spine-leaf deployments in enterprise, service provider, and cloud data

centers. The high-speed ports support a wide variety of port configurations that include 400-Gbps, 100-Gbps, 25-Gbps,

40-Gbps, and 10-Gbps.

An Intel®Xeon®D-1500 processor drives the QFX5220 control plane, which runs the Junos OS Evolved software. The

Junos OS Evolved software image is stored on two internal 50 GB solid-state drives (SSDs). The QFX5220-32CD is available

with either ports-to-FRUs or FRUs-to-ports airflow and with AC power supplies.

Tools and Parts Required for Installation

The Quick Start Guide is designed to show the basic installation and startup procedures. For complete instructions see

the QFX5220 Hardware Guide at QFX5220 Switch Hardware Guide.

Gather the tools and equipment listed in Table 1 for installing the switch in a 4 post rack.

Table 1: Tools and Equipment Needed to Install QFX5220-32CD

Provided/NotTools and Equipment

Not providedElectrostatic discharge (ESD) grounding strap

Not providedA Phillips (+) screwdriver, number 2

ProvidedOne pair of mounting blades

ProvidedOne pair of mounting rails

ProvidedTwelve flathead screws to secure the mounting rails to the chassis

Not providedEight screws to secure the chassis and rear installation blades to the rack

Not providedGrounding lug, Panduit LCD10-10A-L or equivalent, two 10-32 x 0.25 screws with #10

split-lock washers to secure the grounding lug to the grounding lug bracket protective earthing

terminal

ProvidedTwo power cords with plugs appropriate to your geographical location

ProvidedRJ-45 cable and RJ-45 to DB-9 serial port adapter

Not ProvidedA Management host, such as a laptop or PC, with an Ethernet port

ProvidedAn Ethernet cable with an RJ-45 connector attached

addition or change to the installation base or if the installation base is moved. Juniper Networks will not be held accountable

for not meeting the hardware replacement service-level agreement for products that do not have registered serial numbers

or accurate installation base data.

Update your install base at https://www.juniper.net/customers/csc/management/updateinstallbase.jsp.

Part 1: Mount the Switch into a 4-Post Rack

CAUTION: A QFX5220 requires two people for installation, one person to lift the device into place and

another person to attach the device to the rack. If you are installing the QFX5220 above 60 in. (152.4

cm) from the floor, you can remove the power supplies and fan modules to minimize the weight before

attempting to install the device.

CAUTION: If you are mounting multiple devices on a rack, mount the device in the lowest position of

the rack first. Proceed to mount the rest of the devices from the bottom to the top of the rack to minimize

the risk of the rack toppling.

You can mount QFX5220 switches on a four-post 19-in. rack or cabinet using the rack mount kit provided with the switch.

The rack mount kit can be adapted for either a 4-post rack-only or a rack and cabinet installation. A four-post installation

is the preferred installation method because the switch is evenly supported by all four corners. Using the two-post mounting

method, the switch is two-thirds cantilevered in the rack.

To mount the QFX5220-32CD on a four post rack using the provided rack mount kit:

1. Attach the ESD grounding strap to your bare wrist and to a site ESD point.

2. Decide whether the Field Replaceable Unit (FRU) end of the switch or the port end is to be placed at the front of the

rack. Position the device in such a manner that the AIR IN labels on components are next to the cold aisle and AIR

OUT labels on components are next to the hot aisle.

3. Align the holes in the mounting rail with the holes on the side of the chassis. See Figure 1 to see the proper alignment

for the QFX5220-32CD.

Figure 1: Attaching Mounting Rails to the QFX5220-32CD

g051081

4. Attach the mounting rail to the switch using six flathead screws. Tighten the screws using a Phillips # 2 screwdriver.

5. Repeats steps 3and 4on the opposite side of the switch.

6. Have one person grasp both sides of the switch, lift it, and position it in the rack so that the front rail is aligned with

the rack holes.

7. Have a second person secure the front of the switch to the rack using four mounting screws (and cage nuts and washers

if your rack requires them.) Tighten the screws. See Figure 2 for an example of connecting the mounting rails and

mounting blades to a QFX5220-32CD.

Figure 2: Attach QFX5220-32CD to Rack

g051082

8. Continue to support the switch while sliding the mounting blades into the channel of the mounting rails and securing

the blades to the rack. Use the four mounting screws (and cage nuts and washers if your rack requires them) to attach

each blade to the rack. Tighten the screws. See Figure 3.

Figure 3: Slide Mounting Blade into Mounting Rail

g051083

9. Ensure that the switch chassis is level by verifying that all the screws on the front of the rack are aligned with the

screws at the back of the rack.

10. We recommend that you insert dust covers in any unused ports.

Part 2: Ground the Chassis and Connect Power

To connect earth ground to a QFX5220-32CD:

1. Use two 10-32 x 0.25 screws with #10 split-lock washers to secure the grounding lug and attached cable to the chassis.

Attach the lug through the left rail and blade assembly to the chassis. The posts on the grounding lug should point to

the left. See Figure 4.

Figure 4: Connecting a Grounding Cable to a QFX5220-32CD

g051088

2. Connect the remaining end of the grounding cable to a proper earth ground, such as the rack in which the switch is

mounted.

3. Dress the grounding cable and ensure that it does not touch or block access to other device components and that it

does not drape where people could trip over it.

Connect Power to the Switch

The QFX5220 is shipped from the factory with two power supplies. Each power supply is a hot-removable and hot-insertable

field-replaceable unit (FRU) when the second power supply is installed and running. You can install a replacement power

supply in either of the two slots next to the fan modules without powering off the switch or disrupting the switching

function.

To connect AC power to a QFX5220:

1. Attach the grounding strap to your bare wrist and to a site ESD point.

2. Ensure that the power supplies are fully inserted in the chassis and the latches are secure. .

3. Locate the power cords shipped with the switch; the cords have plugs appropriate for your geographical location. See

AC Power Cord with Type C15 Coupler Specifications.

For each power supply:

a. Ensure the loop on the power cord retainer is open and there is enough space to insert the power cord coupler into

the inlet. If the loop is closed, press the small tab on the retainer to loosen the loop.

b. Thread the power cord coupler through the power cord retainer loop.

c. Insert the power cord coupler firmly into the AC inlet on the power supply faceplate.

d. Slide the power cord retainer loop towards the power supply until it is snug against the base of the coupler.

e. Press the tab on the loop and draw out the loop to enclose the power cord. See Figure 5.

Figure 5: Attaching the Power Cord Retainer

g051060

WARNING: Ensure that the power cord does not block access to device components or drape where

people can trip on it.

4. If the AC power source outlet has a power switch, set it to the OFF (O) position.

NOTE: The switch powers on as soon as power is provided to the power supply. There is no power switch on

the device.

5. Insert the power cord plug into an AC power source outlet.

6. If the AC power source outlet has a power switch, set it to the ON (|) position.

7. Verify that the AC and DC LEDs on each power supply are lit green.

If the amber fault LED is lit, remove power from the power supply, and replace the power supply (see How to Remove

a Power Supply from a QFX5220). Do not remove the power supply until you have a replacement power supply ready:

the power supplies must be installed in the switch to ensure proper airflow.

CAUTION: Replace a failed power supply with a new power supply within three minutes of removal

to prevent chassis overheating.

Part 3: Connect the QFX5220-32CD to the Network and

Perform the Initial Configuration

Connect the QFX5220-32CD to your network for out-of-band management:

1. Connect one end of the Ethernet cable to the management port (labeled Mgmt) on the QFX5220-32CD.

2. Connect the other end of the Ethernet cable to the management device.

You must perform the initial configuration of the QFX5220 through the console port using the CLI or through Zero Touch

Provisioning (ZTP). In order to use ZTP to provision the device, you must have access to a Dynamic Host Control Protocol

(DHCP) server, and a File Transfer Protocol (anonymous FTP), Hypertext Transfer Protocol (HTTP), or Trivial File Transfer

Protocol (TFTP) server on which the software image and configuration files are stored. For more information about using

ZTP for provisioning the device, see Understanding Zero Touch Provisioning in the Installation and Upgrade Guide.

Before you begin connecting and configuring a QFX5220, set the following parameter values on the console server or

PC:

•Baud Rate—9600

•Flow Control—None

•Data—8

•Parity—None

•Stop Bits—1

•DCD State—Disregard

To connect and configure the switch from the console:

1. Connect the console port to a laptop or PC using the supplied RJ-45 cable and RJ-45 to DB-9 adapter. The console

(CON) port is located on the top right corner of the port panel.

2. Log in as root. There is no password. If the software booted before you connected to the console port, you might need

to press the Enter key for the prompt to appear.

3. Start the CLI.

root@% cli

4. Enter configuration mode.

root> configure

5. Add a password to the root administration user account.

[edit]

root@# set system root-authentication plain-text-password

New password: password

Retype new password: password

6. (Optional) Configure the name of the switch. If the name includes spaces, enclose the name in quotation marks (“ ”).

[edit]

root@# set system host-name host-name

7. Configure the IP address and prefix length for the switch management interface.

[edit]

root@# set interfaces re0:mgmt-0 unit 0 family inet address address/prefix-length

CAUTION: Although the CLI permits you to configure two management Ethernet interfaces within

the same subnet, only one interface is usable and supported.

NOTE: On the QFX5220-32CD, the management port re0:mgmt-0 is the bottom RJ-45 port on the right side

of the port panel and is labeled MGMT.

8. Create the mgmt_junos routing instance.

[edit]

root@# set routing-instances mgmt_junos

9. Configure the static routes to remote prefixes with access to the management port.

[edit]

root@# set routing-options static route remote-prefix next-hop destination-ip

10. Enable the management instance.

[edit]

root@# set system management-instance

11. Enable telnet service.

[edit]

root@# set system services telnet

NOTE: When Telnet is enabled, you cannot log in to a QFX5220 switch through Telnet using root credentials.

Root login is allowed only for SSH access.

12. Enable SSH service for root login.

[edit]

root@# set system services SSH

13. Commit the configuration to activate it on the switch.

[edit]

root@# commit

QFX5220-32CD Safety Warning Summary

This is a summary of safety warnings. For a complete list of warnings, including translations, see the QFX5220 hardware

documentation at https://www.juniper.net/documentation/product/en_US/qfx522.

WARNING: Failure to observe these safety warnings can result in personal injury or death.

•Permit only trained and qualified personnel to install or replace switch components

•Perform only the procedures described in this quick start and the QFX5220 documentation. Other services must be

performed only by authorized service personnel.

•Before installing the switch, read the planning instructions in the QFX5220 documentation to make sure that the site

meets power, environmental, and clearance requirements for the switch.

•Before connecting the switch to a power source, read the installation instructions in the QFX5220 documentation.

•The QFX5220-32CD weighs approximately 24.5 lbs (11.11 kg. Manually installing the QFX5220-32CD in a rack or

cabinet at a height above 60 in. (152.4 cm) requires two people to lift the switch and install mounting screws. To prevent

injury, keep your back straight and lift with your legs, not your back.

•If the rack or cabinet has stabilizing devices, install them in the rack before mounting or servicing the switch in the rack

or cabinet.

•Before installing or after removing an electrical component, always place it component-side up on a flat antistatic mat

or in an antistatic bag.

•Do not work on the switch or connect or disconnect cables during electrical storms

•Before working on equipment that is connected to power lines, remove jewelry, including rings, necklaces, and watches.

Metal objects heat up when connected to power and ground and can cause serious burns or become welded to the

terminals.

Power Cable Warning (Japanese)

WARNING: The attached power cable is only for this product. Do not use the cable for another product.

In the event of a hardware failure, please contact Juniper Networks, Inc. to obtain a Return Material Authorization (RMA)

number. This number is used to track the returned material at the factory and to return repaired or new components to

the customer as needed.

For more information about return and repair policies, see the customer support Web page at

https://www.juniper.net/support/guidelines.html.

For product problems or technical support issues, contact the Juniper Networks Technical Assistance Center (JTAC) by

using the Case Manager link at https://www.juniper.net/support/ or at 1-888-314-JTAC (within the United States) or

1-408-745-9500 (from outside the United States).

Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in the

United States and other countries. All other trademarks, service marks, registered marks, or registered service marks are the

property of their respective owners. Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper

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