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3G - 4G Cellular Failover

The USB port in an MX device can be used for connecting a 3G / 4G USB modem. Traffic will be automatically redirected to the 3G / 4G interface in the event of a connectivity failure with the WAN interfaces.

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If you have 2 active WAN interfaces, 3G / 4G failover will kick in when both WAN connections fail.

Cellular modems are not supported with MX devices in passthrough mode.

Preparing the USB modem

Please follow the guidelines provided by your wireless carrier to enable and test the USB modem. Once you've validated that you can use the USB modem to connect to Internet from your own PC or Mac, you can directly plug the USB modem into the MX appliance.

For example, use the VZAccess Manager software on a PC or Mac to activate and test a Verizon USB modem.

Username and Password 

The MX Security Appliance series does not support usernames and passwords for cellular modems at this time. If the modem requires a username and/or password, then the MX will not successfully connect. Ensure that this feature is disabled on the modem during setup.

Cellular modem states

The cellular modem states can be seen on the Security Appliance > Monitor > Appliance status page.

  • Connecting: This state means that the modem has been recognized and the MX is trying to establish a persistent connection with the 3G/4G provider.
  • Ready: This state means that the MX has established the connection with the 3G/4G provider was able to successfully send/receive data with Meraki dashboard with the cellular interface. The MX is ready for failover to the 3G/4G connection.
  • Active: This state means that the MX has detected a WAN failover and switched the internet connection to the 3G/4G card.

Cellular firewall rules and bandwidth limit

In addition to existing firewall rules and bandwidth restrictions, MX supports specific firewall rules and bandwidth limit that apply only when the cellular connection is active. These rules are applied in addition to existing firewall rules and bandwidth limits, rather than replacing them. Cellular firewall rules are configured on the Firewall page, while cellular bandwidth limits are configured on the Traffic Shaping page.

 

The bandwidth limit for cellular connections applies to the total network throughput limit and not per-client throughput limit.

  1. The cellular firewall rules and bandwidth settings do not override the existing firewall rules and bandwidth settings.
  2. The cellular bandwidth settings do not affect the bandwidth for the communication between the MX and the Meraki dashboard. The MX will continue to receive periodic updates from the dashboard for firmware updates and security signatures.

Verifying connectivity

You'll also be able to confirm the 3G / 4G connectivity status through the Dashboard, on the Security Appliance > Monitor > Appliance Status page.

Supported USB Modems

Region Wireless Carrier USB Modem Interfaces MX Z1
USA Verizon Novatel 4G LTE USB Modem USB620L 4G only

Connected IO LT1000

4G only
Connected IO EM1000T-VZ-CAT1 4G only  
Feeney Skyus-DS 4G XLTE (MC7354) 4G only
Feeney Skyus 4G XLTE (MC7354) 4G only
Pantech 4G LTE USB Modem UML295 3G and 4G
Pantech 4G LTE USB Modem UML290 3G and 4G
AT&T Feeney Skyus-DS 4G XLTE (MC7354) 4G only

Feeney Skyus 4G LTE (MC7354)

4G only
NetGear AirCard 340U (AT&T Beam) 3G and 4G
Sierra Wireless AirCard® 313U 3G and 4G
Connected IO EM1000T-NA 3G and 4G
Connected IO EM1000T-NA-CAT1 3G and 4G  

Sprint

NetGear AirCard 341U

3G and 4G
Sierra Wireless 3G / 4G USB Modem 250U 3G only  
Feeney Skyus-DS 4G XLTE (MC7354) 4G only
T-Mobile Feeney Skyus-DS 4G XLTE (MC7354) 4G only
Feeney Skyus 4G LTE (MC7354) 4G only
Connected IO EM1000T-NA 3G and 4G
Connected IO EM1000T-NA-CAT1 3G and 4G  
U.S. Cellular Feeney Skyus-DS 4G XLTE (MC7354) 4G only
Canada Rogers Feeney Skyus-DS 4G XLTE (MC7354) 4G only

Sierra Wireless AirCard 330U

3G and 4G
Bell Feeney Skyus-DS 4G XLTE (MC7354) 4G only
Australia Telstra Sierra Wireless AirCard 320U 3G and 4G  
Optus Sierra Wireless AirCard 320U 3G and 4G  
Global Any Feeney Skyus-DS 4G (MC7304 - Europe Only) 4G only
Any Huawei E372 3G only
Any Huawei E367 3G only
Any Huawei E392 3G and 4G
Any Huawei E3276s-150 and E3276s-500 3G and 4G
Any Huawei E3372s-153 3G and 4G

About Pantech 4G LTE USB Modem UML295

The setup process for the Pantech UML 295 is considerably different than for prior Verizon cellular modems. First, connect the UML 295 to a PC or Mac and wait until you get a DHCP lease on your computer (this may take some time). Once you have a DHCP lease from the UML 295 modem, follow these steps to connect to the internet:

  1. Go to http://mbb.vzw.com/ or http://192.168.32.2/
  2. Open the Menu.
  3. Go to the Settings tab, and enable "Auto connect except roaming" for the Device connection preference option under the Connectivity > 4G LTE tab.
  4. Confirm you can browse the Internet (hint: http://speedof.me/ is a great modem speed test site).

About Huawei modems

Huawei modems have been tested with a number of carriers worldwide and should work with any cellular carrier.

Make sure that the SIM card PIN is deactivated. You may need to put the SIM card on a mobile phone and manually disable the pinlock, before inserting it back into the Huawei modem.

Please reach out to Meraki support in case your local wireless carrier is not recognized.

About Custom APNs

If a custom APN is required by your carrier, please contact support to have the APN applied.

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Last modified
15:50, 20 Sep 2017

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