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Interfaces
where version is one of the following:
n
auto: Requests both IPv4 and IPv6 address.
n
ipv4: Requests only an IPv4 address.
n
ipv6: Requests only an IPv6 address.
The default is auto.
6. (Optional) Set the PDP context index:
(config network interface wwan1 modem apn 0) > cid value
(config network interface wwan1 modem apn 0) >
where value is the index number of the SIM that the APN is programmed into. 0 means the
index will be automatically set.
7. (Optional) Set the authentication method:
(config)> network interface modem modem apn 0 auth method
(config)>
where method is one of the following:
n
none: No authentication is required.
n
auto: The device will attempt to connect using CHAP first, and then PAP.
n
chap: Uses the Challenge Handshake Authentication Profile (CHAP) to authenticate.
n
pap: Uses the Password Authentication Profile (PAP) to authenticate.
If auto, chap, or pap is selected, enter the Username and Password required to authenticate:
(config)> network interface modem modem apn 0 username name
(config)> network interface modem modem apn 0 password pwd
(config)>
The default is none.
8. Disable Lightweight M2M support if you are using an AT&T SIM that does not support AT&T
lightweight M2M:
(config)> network interface modem modem apn 0 attm2mglobal false
(config)>
9. (Optional) To configure the device to bypass its preconfigured APN list 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.
>
IX20 User Guide
Wide Area Networks (WANs)
138
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