Juniper ACX7100 Manuale utente

ACX7100 48L Quick Start

IN THIS GUIDE

Step 1: Begin | 1

Step 2: Up and Running | 6

Step 3: Keep Going | 10

Step 1: Begin

IN THIS SECTION

Meet the ACX7100-48L | 1

Install the ACX7100-48L | 2

Power On | 4

In this guide, we provide a simple, three-step path, to quickly get you up and running with your new Juniper Networks®

ACX7100-48L Cloud Metro Router. We’ve simplied and shortened the installaon and conguraon steps, and

included how-to videos. You’ll learn how to install an AC-powered ACX7100-48C in a rack, power it up, and congure

basic sengs. If you need instrucons for installing a DC-powered ACX7100-48L, see the ACX7100-48L Hardware

Guide.

Meet the ACX7100-48L

The ACX7100-48L Cloud Metro Router is a high-performance router, featuring a 1-U form factor that provides high

port density, reliability, and scalability. You can deploy the router as an aggregaon soluon in a service provider metro

network or in a data center that hosts edge compung applicaons.

With 48 SFP and 6 QSFP56-DD ports, the ACX7100-48L routers enable a wide variety of conguraons that include

support for 10-Gbps, 25-Gbps, 40-Gbps, 50-Gbps, 100-Gbps, and 400-Gbps speeds.

We ship these routers with redundant power supplies. You can order ACX7100-48L routers with front-to-back airow

(AIR OUT or AFO) or back-to-front airow (AIR IN or AFI), and with AC or DC power supplies.

You can onboard and manage an ACX7100-48L router by using either the Junos OS Evolved CLI or Paragon

Automaon.

Install the ACX7100-48L

IN THIS SECTION

What's in the Box? | 2

What Else Do I Need? | 3

Install the ACX7100-48L in a Rack | 3

What's in the Box?

• ACX7100-48L router with six preinstalled fan modules and two preinstalled AC power supplies

• Two AC power cords appropriate for your geographical locaon

• A breakout cable to simultaneously connect to a console and to a me of day (TOD) device

• Two power cord retainers

• A four-post rack mounng kit that contains:

• Two mounng rails for mounng the router ush with the front posts of a rack

• Twelve at head Phillips screws for aaching the front mounng rails to the router

• Two rear mounng blades

NOTE: We no longer include a DB-9 to RJ-45 cable or a DB-9 to RJ-45 adapter with a CAT5E copper cable as

part of the device package. If you require a console cable, you can order it separately with the part number JNP-

CBL-RJ45-DB9 (DB-9 to RJ-45 adapter with a CAT5E copper cable).

What Else Do I Need?

• Someone to help you secure the router to the rack

• A number 2 Phillips (+) screwdriver

• An electrostac discharge (ESD) grounding strap

• A management host such as a laptop or desktop PC

• A serial-to-USB adapter (if your laptop or desktop PC doesn’t have a serial port)

• A grounding cable: 14-10 AWG (2-5.3 mm²), stranded wire, or as permied by the local code, with a Panduit

LCD10-10A-L or equivalent lug aached

• Two #10-32 screws to secure the grounding lug

CAUTION: Ensure that a licensed electrician has aached the appropriate grounding lug to your

grounding cable. Using a grounding cable with an incorrectly aached lug can damage the router.

Install the ACX7100-48L in a Rack

Here’s how to install the ACX7100-48L in a four-post rack:

1. Review the General Safety Guidelines and Warnings.

2. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end to a site

ESD point.

3. Decide which end of the router you want to place at the front of the rack. Posion the router so that the AIR IN labels

are facing the cold aisle, or the AIR OUT labels are facing the hot aisle.

4. Aach the mounng rails to the sides of the router using the 12 at head screws.

5. Li the router and posion it in the rack. Line up the boom hole in each mounng rail with a hole in each rack rail,

making sure the router is level.

6. While you’re holding the router in place, have a second person insert and ghten the rack mount screws to secure

the mounng rails to the rack rails. Make sure they ghten the screws in the two boom holes rst, and then ghten

the screws in the two top holes.

7. Connue holding the router in place, and have the second person slide the mounng blades into the channel of the

mounng rails.

8. Secure the mounng blades to the rack using the rack mount screws (and cage nuts and washers, if your rack

requires them).

9. Verify that the mounng brackets on each side of the rack are level.

NOTE: If you have unused ports, plug them using dust covers to prevent dust from entering the router.

Power On

Now that you’ve installed your ACX7100-48L in the rack, you’re ready to connect it to power.

The AC-powered ACX7100-48L comes with two AC power supplies preinstalled on the rear panel.

1. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end to one of

the ESD grounding points on the router.

2. Use two #10-32 screws to secure the grounding lug and aached cable to the chassis. Aach the lug through the

le rail and blade assembly to the chassis.

3. Connect the other end of the grounding cable to a proper earth ground, such as the rack.

4. Dress the grounding cable and ensure that it doesn’t touch or block access to other device components, and that it

doesn’t drape where people could trip over it.

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

6. For each power supply, ensure that the loop on the power cord retainer is open and there’s 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.

7. On the rst power supply, thread the power cord coupler through the power cord retainer loop.

8. Plug in the power cord to the power supply socket.

9. Slide the power cord retainer loop toward the power supply unl the loop is snug against the base of the coupler.

10. Press the tab on the loop, and draw out the loop into a ght circle.

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

where people can trip on it.

11. If the AC power source outlet has a power switch, turn it o.

12. Plug in the power cord to the AC power source outlet.

13. If the AC power source outlet has a power switch, turn it on.

NOTE: The router powers on as soon as you connect it to power. The ACX7100-48L doesn't have a power

switch.

14. Verify that the AC LED on the power supply is lit green. If the LED is lit steadily amber or is blinking amber,

disconnect the power supply from the power source, and replace the power supply (see Maintain the

ACX7100-48L Power Supplies in the ACX7100-48L Hardware Guide).

15. Repeat steps 7 through 14 to power on the second power supply.

Step 2: Up and Running

IN THIS SECTION

Plug and Play | 6

Customize the Basic Conguraon | 7

Now that the ACX7100-48L is powered on, let’s do some inial conguraon to get it up and running on the network.

It’s simple to congure and manage the ACX7100-48L using the CLI. You can also onboard and manage the

ACX7100-48L by using Paragon Automaon. To onboard this device using Paragon Automaon, see Onboard Cloud-

Ready Devices with Paragon Automaon.

Plug and Play

The ACX7100-48L router ships with factory-default sengs that enable plug-and-play operaon. These sengs load as

soon as you power on the router.

Customize the Basic Conguraon

You can easily customize the factory-default conguraon with just a few commands. Inially, you’ll need to make

changes through the console port. Aer you congure the management port, you can access the ACX7100-48L using

SSH and make addional conguraon changes. You can always revert to the factory-default conguraon whenever

you want.

Have the following informaon ready before you begin customizing the router:

• Hostname

• Root authencaon password

• Management port IP address

• Default gateway IP address

• IP address and prex length of remote prexes

•(Oponal) SNMP read community, locaon, and contact informaon

1. Verify that the following default serial port sengs are congured on your laptop or desktop PC:

• Baud Rate—9600

• Flow Control—None

• Data—8

• Parity—None

• Stop Bits—1

• DCD State—Disregard

2. Connect the console port on the ACX7100-48L to a laptop or desktop PC using the RJ-45 cable and RJ-45 to

DB-9 adapter. The console (CON) port is the lower RJ-45 port on the right side of the port panel.

NOTE: If your laptop or desktop PC doesn’t have a serial port, use a serial-to-USB adapter (not provided).

3. At the Junos OS login prompt, type root to log in.

You don't need to enter a password. If the soware boots before you connect your laptop or desktop PC to the

console port, you might need to press the Enter key for the prompt to appear.

re0 login: root

4. Start the CLI.

[vrf:none] root@re0:~# cli

5. Enter conguraon mode.

root@re0> configure

6. Stop the chassis auto-upgrade process.

[edit]

root@re0# delete chassis auto-image-upgrade

7. Stop zero-touch provisioning (ZTP).

[edit]

root@re0# delete system commit factory-settings

NOTE: ZTP is enabled on the ACX7100-48L in the factory-default conguraon. You must stop ZTP before

you congure any sengs. Unl you assign a root password and make an inial commit, you might see ZTP-

related messages on the console. You can safely ignore these messages while you congure the root

password.

8. Add a password for the root administraon user account.

[edit]

root@re0# set system root-authentication plain-text-password

New password:

password

Retype new password:

password

9. Commit the conguraon, and wait for the ZTP process to stop.

[edit]

root@re0# commit

A message appears on the console, conrming that the ZTP process has stopped.

root@re0# [ 968.635769] ztp.py[20083]: 2021-06-09 16:47:52 INFO: ZTP: aborted in state

DISCOVERING_INTERFACES

[ 968.636490] ztp.py[20083]: 2021-06-09 16:47:52 INFO: ZTP: checkZTPAbort: Upgrade detected pending abort

[ 968.636697] ztp.py[20083]: 2021-06-09 16:47:52 INFO: ZTP: aborted by user config commit

[ 968.782780] ztp.py[11767]: Notice: PID found for app ztp in /var/run/pid/ztp.pid is 20083.Executing

command: (/usr/sbin/cleanzk -c /var/run/zkid/20083.id;rm /var/run/zkid/20083.id 2>/dev/null)

10. (Oponal) Give the router a name. If the name includes spaces, enclose the name in quotaon marks (“ ”).

[edit]

root@re0# set system host-name

host-name

11. Congure the default gateway.

[edit]

root@re0# set routing-options static route 0.0.0.0/0 next-hop

destination-ip

12. Congure the IP address and prex length for the management port on the router.

On the ACX7100-48L, the management (MGMT) port is the upper RJ-45 port on the right side of the port panel.

[edit]

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

address/prefix-length

13. (Oponal) Congure specic stac routes to remote prexes if you do not want the remote prexes to use the

default route.

[edit]

root@re0# set routing-options static route

address/prefix-length

next-hop

destination-ip

14. Enable Telnet service, if required.

[edit]

root@re0# set system services telnet

NOTE: When Telnet is enabled, you cannot log in to the ACX7100-48L through Telnet using root

credenals. Root login is allowed only for SSH access.

15. Enable SSH service.

[edit]

root@re0# set system services ssh

16. To allow users to log in to the router as root through SSH, include the root-login statement.

[edit system services ssh]

root@re0# root-login allow

NOTE: By default, users are not allowed to log in to the router as root through SSH.

17. Commit the conguraon.

Your changes become the acve conguraon for the router.

[edit]

root@re0# commit

Step 3: Keep Going

IN THIS SECTION

What’s Next? | 11

General Informaon | 11

Learn With Videos | 11

Congratulaons! Your ACX7100-48L is congured and ready to go. The ACX7100-48L uses paper licenses that provide

access to all Junos OS features. Here are some things you can do next.

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