Cisco Meraki MR28 Manuel utilisateur

R28 Installation Guide

The Cisco eraki R28 is a dual-band enterprise Wi-Fi 6 cloud-managed access point.

Package Contents

The R28 package contains the following:

• R28 Cloud- anaged Access Point

• ount plate

• ount Kit

◦ Wall screws, wall screw anchors, and security screws

Understanding the R28

Your eraki R28 has the following features:

The mount plate has the following features:

Security Features

The R28 features multiple options for physically securing the access point after installation:

1. Security screw – The accessory kit includes screws that can be used to secure the access point to the mount

cradle. Engaging the security screw prevents accidental dislodging and theft.

Ethernet Ports

The R28 features a Gigabit Ethernet RJ45 port that accepts 802.3at and 802.3af power (labeled “Eth0, PoE”). This

port should be used for uplink to your WAN connection.

Power Source Options

The R28 access point can be powered using either the eraki AC Adapter, PoE Injector (both sold separately), or a

third-party PoE switch. The R28 operates at full power with 802.3af PoE.

Factory Reset Button

If the button is pressed and held for at least ﬁve seconds and then released, the R28 will reboot and be restored to its

original factory settings by deleting all conﬁguration information stored on the unit.

LED Indicators and Run Dark ode

Your R28 is equipped with a multi-color LED light on the front of the unit to convey information about system

functionality and performance:

• Orange - AP is booting (permanent Orange suggests hardware issue)

• Rainbow - AP is initializing/scanning

• Blinking Blue - AP is upgrading

• Green - AP in Gateway mode with no clients

• Blue - AP in Gateway mode with clients

• Blinking Orange - AP can't find uplink

The R28 may be operated in “Run Dark” mode for additional security and to reduce the visibility of the access point. In

this mode, the LED will not be illuminated. This mode may be enabled through eraki dashboard.

NOTE: Blinking Green LED indicates that the device is in site survey mode. Please see the Conducting Site Surveys

with R Access Points for more details.

Pre-Install Preparation

You should complete the following steps before going on-site to perform an installation.

Conﬁgure Your Network in Dashboard

The following is a brief overview only of the steps required to add an R28 to your network. For detailed instructions

about creating, conﬁguring and managing eraki wireless networks, refer to the online documentation

(documentation.meraki.com).

1. Login to http://dashboard.meraki.com. If this is your ﬁrst time, create a new account.

2. Find the network to which you plan to add your APs or create a new network.

3. Add your APs to your network. You will need your eraki order number (found on your invoice) or the serial

number of each AP, which looks like Qxxx-xxxx-xxxx, and is found on the bottom of the unit. You will also need

your Enterprise license key, which you should have received via email.

4. Go to the map / ﬂoor plan view and place each AP on the map by clicking and dragging it to the location where you

plan to mount it.

Check and Upgrade Firmware

To ensure your R28 performs optimally immediately following installation, it is recommended that you facilitate a

ﬁrmware upgrade prior to mounting your R28.

1. Attach your R28 to power and a wired Internet connection. See the "Power the R28" section for details.

2. The R28 will turn on and the LED will glow solid orange. If the unit does not require a ﬁrmware upgrade, the LED

will turn either green (no clients associated) or blue (clients associated) within thirty seconds.

* If the unit requires an upgrade, the LED will begin blinking orange until the upgrade is complete, at which point the LED

will turn solid green or blue. You should allow at least a few minutes for the ﬁrmware upgrade to complete, depending on

the speed of your internet connection.

Check and Conﬁgure Firewall Settings

If a ﬁrewall is in place, it must allow outgoing connections on particular ports to particular IP addresses. The most

current list of outbound ports and IP addresses for your particular organization can be found here.

Assigning IP Addresses to R28s

All gateway R28s ( R28s with Ethernet connections to the LAN) must be assigned routable IP addresses. These IP

addresses can be dynamically assigned via DHCP or statically assigned.

Dynamic Assignment

When using DHCP, the DHCP server should be conﬁgured to assign a static IP address for each AC address

belonging to a eraki AP. Other features of the wireless network, such as 802.1X authentication, may rely on the

property that the APs have static IP addresses.

Static Assignment

Static IPs are assigned using the local web server on each AP. The following procedure describes how to set the

static IP:

1. Using a client machine (e.g., a laptop), connect to the AP wirelessly (by associating to any SSID

broadcast by the AP) or over a wired connection.

2. If using a wired connection, connect the client machine to the R28 either through a PoE switch or a

PoE Injector. If using a PoE switch, plug an Ethernet cable into the R28’s Ethernet jack, and the other

end into a PoE switch. Then connect the client machine over Ethernet cable to the PoE switch. If using a

PoE Injector, connect the R28 to the “PoE” port of the Injector, and the client machine to the “LAN”

port.

3. Using a web browser on the client machine, access the AP’s built-in web server by browsing

to http://my.meraki.com. Alternatively, browse to http://10.128.128.128.

4. Click on the “Uplink Conﬁguration” tab. Log in. The default login is the serial number (e.g. Qxxx-xxxx-

xxxx), with no password (e.g., Q2DD-551C-ZYW3).

5. Conﬁgure the static IP address, net mask, gateway IP address and DNS servers that this AP will use on

its wired connection.

6. If necessary, reconnect the AP to the LAN.

Static IP via DHCP Reservations

Instead of associating to each eraki AP individually to conﬁgure static IP addresses, an administrator can

assign static IP addresses on the upstream DHCP server. Through “DHCP reservations,” IP addresses are

“reserved” for the AC addresses of the eraki APs. Please consult the documentation for the DHCP server to

conﬁgure DHCP reservations.

Collect Tools

You will need the following tools to perform an installation:

Collect Additional Hardware for Installation

You will need the following hardware to perform an installation:

Installation Instructions

Warning: Due to the heat dissipation in the back of APs during normal operation, please do not stack powered on APs

on top of each other during pre-installation to avoid heat damage.

Choose Your ounting Location

A good mounting location is important to getting the best performance out of your R28 access point. Keep the

following in mind:

1. The device should have unobstructed line of sight to most coverage areas. For example, if installing in an ofﬁce

ﬁlled with workspaces divided by mid-height cubicle walls, installing on the ceiling or high on a wall would be ideal.

2. Power over Ethernet supports a maximum cable length of 300 ft (100 m).

3. If being used in a mesh deployment, the R28 should have line of sight to at least two other eraki devices. A

Cisco Partner can help ensure that your AP placement is ideal.

Power the R28

If mounting to an electrical junction box, feed the Ethernet cable through the cable access hole in the mount cradle. If

mounting to a wall or ceiling, the Ethernet cable will feed from behind the R28. The "Power Source Options" section of

this document lists the different powering options and their unique characteristics.

ount the R28

Attach the R28 to the ount Cradle

(This section applies to wall and/or solid ceiling, drop ceiling or electrical junction box mount

where you have already installed the mount cradle.)

The R28 attaches to the mount cradle with two tabs on the cradle that insert into the R28, and is secured to the

cradle using one screw.

To attach the R28 to the mount cradle properly, line up the top edge of the AP with the top tab of the mount cradle.

Since the cradle is already mounted to the wall, guide the R28 towards the top tab and insert the top tab into the

R28’s slot.

Then adjust the R28 to guide the R28’s bottom slot into the cradle’s bottom tab until it clicks into place. Once in

place, the R28 should be secured to the cradle by using one of the included screws in the cradle’s bottom tab.

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