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To configure the LTE expansion module as a backup interface:
1. Configure the dialer interface:
user@host# set interfaces dl0 unit 0 family inet negotiate-address
user@host# set interfaces dl0 unit 0 family inet6 negotiate-address
user@host# set interfaces dl0 unit 0 dialer-options pool dialer-pool-number
user@host# set interfaces dl0 unit 0 dialer-options dial-string dial-number
2. Configure the dialer pool for the LTE physical interface:
user@host# set interfaces cl-1/1/0 dialer-options pool dialer-pool-number
NOTE:
The dialer-pool-number is always 1 as there is only one LTE interface on the NFX350.
3. Configure the profile.
user@host# run request modem wireless create-profile profile-id profile-id cl-1/1/0 slot sim-slot-number
access-point-name l3vpn.corp authentication-method none
NOTE:
sim-slot-number is the slot on the LTE expansion module in which the SIM card is
inserted.
4. Verify that the profile is configured successfully:
user@host# run show modem wireless profiles cl-1/1/0 slot 1
5. Activate the SIM card:
user@host# set interfaces cl-1/1/0 act-sim sim-slot-number
6. Select the profile and configure the radio access type for the SIM card:
user@host# set interfaces cl-1/1/0 cellular-options sim sim-slot-number select-profile profile-id
profile-id
user@host# set interfaces cl-1/1/0 cellular-options sim sim-slot-number radio-access automatic
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