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Home > Product Overviews > Mesh Systems > SPNMX > Linksys SPNMX42CF-UK FAQs
Linksys SPNMX42CF-UK FAQs
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HARDWARE INFORMATION
What is the Linksys SPNMX42CF-UK? The Linksys SPNMX42CF-UK supports the latest Wi-Fi® 6 (802.11ax) standard to deliver lag-free and simultaneous streaming to any device. With the powerful WiFi 6 Mesh coverage, it is designed to deliver gigabit WiFi speeds to every corner of your home, including backyard and outdoor smart home devices.

This model is only for Community Fibre subscribers in the United Kingdom.
How do I know the model number of my Linksys SPNMX42CF-UK? To determine that you have a Linksys SPNMX42CF-UK, make sure it has the following:
 
  • Community Fibre logo on the node
  • Default WiFi name: CommunityFibre10Gb_xxxxx printed on the product label
  • Product label: SPNMX42
  • Packaging label: SPNMX42CF-UK
What are the parts of the Linksys SPNMX42CF-UK? The Linksys SPNMX42CF-UK has the following parts:

Ports:
Three gigabit ethernet ports
One gigabit internet port
Power port (12V, 3A)
One USB 3.0 port for external storage support. The supported formats are as follows:
Windows®: NTFS and FAT32
Mac®: FAT32 and HFS+ (journaled, non-journaled)
Supports SMB v2.0
UPnP®
Supports up to 900mA current draw
 
Buttons and switch:
Reset button
Wi-Fi Protected Setup™ (WPS) button
One power switch (sliding)
What are the features of the Linksys SPNMX42CF-UK? These are the features of the Linksys SPNMX42CF-UK.
 
  • IEEE 802.11ax
  • Up to 4.2 Gbps speed
  • Tri-Band
  • Backward compatible with 802.11 a/b/g/n/ac 
  • Eight spatial streams
  • Nine internal antennas
  • 1.4 GHz quad-core processor
  • Intelligent Mesh™
  • Easy Setup
  • Band steering 
  • Bluetooth® 4.0/LE
  • WiFi security
  • Beamforming
  • Guest Network
  • Parental Controls
  • WPS support
  • Supports Dynamic Host Configuration Protocol (DHCP)
  • Prioritization for Zoom and Microsoft® Teams
  • Supports Automatic Setup via Auto Configuration Server (ACS)
  • Supports Axiros dashboard
  • Supports TR-069 / TR-181
  • Coverage of up to 2,700 sq ft per node
What is its warranty period? For warranty information, contact your internet service provider (ISP).
What do the light behaviors of the node indicate? The light indicates the different states and activities of your node.
Can I plug my USB hard drive or a printer into its USB port? The Linksys SPNMX42CF-UK has one USB 3.0 port for a USB storage device. Virtual printing is not supported.
What type of processor does it have? The Linksys SPNMX42CF-UK has a 1.4 GHz quad-core processor.
What are the default settings of these products? The Linksys SPNMX42CF-UK has the following default settings:
 

The default IP address is 192.168.1.1.

If the upstream device uses the same IP address, the node will automatically use a different LAN IP address to avoid any conflict. 

The default Guest network IP address range is 192.168.3.x.

The default administrator password of an unconfigured node is admin. You can use the Linksys app to change the password after setting up the node.

Once the node has an internet connection, the default admin password will automatically change to the default WiFi password which is located on the product label.

The default WiFi name and password are found at the bottom of the node. The default WiFi name is CommunityFibre10Gb_xxxxx (where xxxxx represents the last five digits of the node’s MAC address).

Each node has a unique pre-assigned WiFi password (located at the bottom of the node).

The default Guest WiFi name is CommunityFibre10Gb_xxxxx–guest (where xxxxx represents the last five digits of the node’s MAC address).

By default, all nodes have the same default guest password which is BeMyGuest.

The Guest network is disabled by default. It can be enabled using LinksysSmartWiFi.com or the Linksys app.

DFS support is enabled by default on the 5 GHz radio.

Does it support HomeKit®, Linksys Aware, and Linksys Shield? Currently, the Linksys SPNMX42CF-UK does not support HomeKit, Linksys Aware, and Linksys Shield.
What are the weight and dimensions of the Linksys SPNMX42CF-UK? The weight of the Linksys SPNMX42CF-UK is 0.95 kg (2.15 lb) and its dimensions are 4.45 in x 4.45 in x 9.57 in.

SETUP AND INSTALLATION
What are the requirements for setup? You will need the following:
 
A modem or gateway with active internet connection by Community Fibre
Latest iOS or Android™ mobile device 
Latest version of the Linksys app 
Bluetooth (preferred for setup)
Does the Linksys SPNMX42CF-UK support Auto Configuration Server (ACS) Yes. The Linksys SPNMX42CF-UK supports Automatic Setup via the Community Fibre’s Auto Configuration Server. Once the node is powered ON, plugged into the Community Fibre’s equipment and detects an internet connection, it will automatically configure itself as the parent node. The light on your node will change from solid purple to blinking white. Once configured as the parent node, the light will turn to solid blue.
How do I set it up as a parent node? To set it up as a parent node, follow these steps:
 
1. Power ON the node and connect an ethernet cable to its internet port and connect the other end to the Community Fibre equipment. 

2. Wait a few minutes for the light to start to flash. After a few minutes, the light will turn solid blue indicating that the parent node is online and ready to use.

3. Connect your wireless clients to the default WiFi network which is CommunityFibre10Gb_xxxxx. The WiFi credentials are located on the product label. 

4. After the node is online, you can then link your network to your Linksys cloud account. To manage the node with the Linksys app, connect your mobile device to the router’s WiFi name.

5. Download and launch the Linksys app, and then tap on Manage Your Wi-Fi

6. Create a Linksys cloud account or log in with your existing credentials. 

7. Tap Add to Account when prompted.

8. When asked for the router’s password, enter the default WiFi password located on the product label and tap Add to Account again.
 
Your network is now linked to your Linksys cloud account to manage your network from anywhere.
Can the 5-Press Setup Method be used in setting up the parent node? No. Once the node detects an internet connection it will begin ACS setup, using the 5-Press Setup method will cause problems setting up the parent node. Let it configure by itself.
How can I add another node to my existing mesh WiFi system? Learn more.

Additionally, a node that is not from Community Fibre may be added to your network so long as it will be set up as a child node and not as the parent node.
Can my Linksys SPNMX42CF-UK replace a router? Yes, you can replace your standard router with the Linksys SPNMX42CF-UK.
What WiFi security options are supported? The Linksys SPNMX42CF-UK supports the following WiFi security modes:
 
WPA2™/WPA3™ Mixed Personal
WPA3 Personal Only
WPA2 Personal
Open and Enhanced Open
Open
If I have a mixed mesh WiFi network with other mesh WiFi networks as child nodes, can I use WPA3 or any of the Enhanced Open security options? No. Other mesh WiFi networks currently do not support these security options. It is highly recommended to leave the setting to default, otherwise your other child nodes will disconnect from the mesh WiFi network.
How do I add a wired child node to an existing parent node? Learn how to add a wired child node using the LinksysSmartWiFi.com page.

FIRMWARE UPGRADE
How do I upgrade the Linksys SPNMX42CF-UK's firmware? The node will automatically update when firmware is available.
How do I manually upgrade the firmware of my Linksys SPNMX42CF-UK? Manual updates are not supported since firmware updates are approved and will be provided directly by Community Fibre. However, you can click on the Check for Update button on the LinksysSmartWiFi.com page to see if a new firmware is available for your node.
How do I check a node's current firmware version? You can check it by accessing the Linksys app dashboard using an Android or iOS device. Then, tap on the menu icon and go to Network Administration.

ADVANCED CONFIGURATION
How do I access my dashboard? To learn how to access your dashboard or LinksysSmartWiFi.com, click the links below:
 
Why can’t I log in to the web interface using “admin” as the password? Once the node has an internet connection, the admin password changes to the default WiFi password printed on the product label.
What is the External Storage feature?  The External Storage feature of the Linksys SPNMX42CF-UK allows you to connect an external storage device to its USB port to share an entire hard drive.

It features one USB 3.0 port for storage drive. If you have more than one node, you can connect a USB hard drive to each node.
What file system formats does this support? The Linksys SPNMX42CF-UK supports these file formats:
 
Windows: NTFS, FAT32
Mac: FAT32, and HFS+ (journaled, non-journaled)
Does the USB port support File Transfer Protocol (FTP)? No. The USB port doesn't support FTP.
How do I safely eject my hard drive from the node? It can be done using the Linksys app or through the LinksysSmartWiFi.com page.
Can I protect my hard drive from unauthorized access? Yes. You can do this by enabling Authentication on the node.

The username should have a minimum of four and a maximum of 12 alphanumeric characters while the password should have a minimum of four and a maximum of 50 alphanumeric characters. Both can include valid characters such as an underscore ( _ ) or a dash ( - ).
How can I access the storage device connected to the node? Overview of the External Storage feature of the Linksys MX4000 Series WiFi 6 System.
How can I reset the node to factory defaults? To reset your node to its factory defaults, press and hold the reset button until the light on top of the node turns red, fades, and flashes bright red.

Make sure that a bright red flash, followed by three to four quick faded red pulses then another bright red flash occur before you release the button. 
How do I recover my admin password? You can recover the admin password through the five-digit recovery code printed on the product label at the bottom of the node.
When should I prioritize the internet connection for my device? On the Priority page, a message will appear recommending that the Device Prioritization feature be turned OFF if the internet speed is 200 Mbps or greater since the bandwidth is sufficient for your devices. It is ideal to prioritize internet connection for your devices when the internet speed is lower than 200 Mbps.

TROUBLESHOOTING
Can I set up the node using the Linksys app? No. The node supports ACS. This means when the node is connected from the internet port to the Community Fibre equipment, it will begin to self-configure.

DO NOT try to set up the parent node with the Linksys app while the node is going through the ACS setup because the Linksys app will not detect the node. Wait until the node is configured and the status light is solid blue before you can use the Linksys app to manage your network.
Can I manually upgrade the firmware on the node? No. The node only supports firmware from Community Fibre which is automatically installed. 
Can I add non-Community Fibre child nodes? They will work depending on the ISP firmware features. Contact Community Fibre for more information.
My Linksys mesh router isn't working with my ISP's 5G router. What should I do? For the Linksys mesh router to work with a 5G router, your ISP must provide a 5G router with an ethernet port for connection to the parent node.
 
 
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