Interfaces WideArea Networks(WANs)
IX20 User Guide
140
(config)> network interface modem modem apn 0 attm2mglobal false
(config)>
9. (Optional) To configure the device to bypass its preconfigured APNlist and only use the
configured APNs:
(config)> network interface modem modem apn_lock true
(config)>
10. Save the configuration and apply the change
(config)> save
Configuration saved.
>
11. Typeexit to exit the Admin CLI.
Depending on your device configuration, you may be presented with an Access selection
menu. Type quit to disconnect from the device.
Configure dual APNs
Some cellular carriers offer a dual APN feature that allowsa SIMcard to beprovisioned with two
separate APNsthat can be used simultaneously. For example, Verizon offers this service as its Split
Data Routing feature. This feature provides two separate networking pathsthrough a single cellular
modem and SIMcard, and allowsfor configurationssuch as:
n
Segregating public and private traffic, including policy-based routes to ensure that your
internal network traffic alwaysgoesthrough the private connection.
n
Separation of untrusted Internet traffic from trusted internal network traffic.
n
Secure connection to internal customer network without using a VPN.
n
Separate billing structuresfor public and private traffic.
n
Site-to-site networking, without the overhead of tunneling for each device.
In the following example configuration, all traffic on LAN1 is routed through the public APNto the
internet, and all traffic on LAN2 isrouted through the private APNto the customer's data center:
To accomplish this, wewill create separate WWAN interfaces that use the same modem but use
different APNs, and then use routing rolesto forward traffic to the appropriate WWAN interface.
Note Dual-APN connectionswith the Telit LE910-NAv2 module when using a Verizon SIMare not
supported. Using an AT&T SIMwith the Telit LE910-NAv2 module is supported. TheTelit LE910-NAv2
module is used in the 1002-CM04 CORE modem.
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