Interfaces Wide Area Networks (WANs)
Digi Connect IT® 16/48 User Guide
109
b. Set the PIN for the SIM. Leave blank if no PIN is required.
(config network interface my_wwan)> modem pin value
(config network interface my_wwan)>
c. Set the phone number for the SIM, for SMS connections:
(config network interface my_wwan)> modem phone num
(config network interface my_wwan)>
Normally, this should be left blank. It is only necessary to complete this field if the SIM does
not have a phone number or if the phone number is incorrect.
d. Roaming is enabled by default. To disable:
(config network interface my_wwan)> modem roaming false
(config network interface my_wwan)>
e. Configure when the WWAN's DNS servers will be used:
(config network interface my_wwan)> modem dns value
(config network interface my_wwan)>
Where value is one of:
n always: DNS will always be used for this WWAN; when multiple interfaces have the
same DNS server, the interface with the lowest metric will be used for DNS
requests.
n never: Never use DNS servers for this WWAN.
n primary: Only use the DNS servers provided for this WWAN when the WWAN is the
primary route.
The default setting is primary.
f. SIM failover is enabled by default, which means that the modem will automatically fail over
from the active SIM to the next available SIM when the active SIM fails to connect. To
disable:
(config network interface my_wwan)> modem sim_failover false
(config network interface my_wwan)>
If enabled:
i. Set the number of times that the device should attempt to connect to the active SIM
before failing over to the next available SIM:
(config network interface my_wwan)> modem sim_failover_retries num
(config network interface my_wwan)>
The default setting is 5.
ii. Configure how SIM failover will function if automatic SIM switching is unavailable:
(config network interface my_wwan)> modem sim_failover_alt value
(config network interface my_wwan)>
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