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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

FireBrick 2700 with 4G ZTE MF823: Difference between revisions

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=ZTE MF823 and No NAT=
=ZTE MF823 and No NAT=


In its default state, the ZTE MF823 dongle will give internet access and the FireBrick can also be configured to use the dongle as a backup internet connection if your main connection goes down. However, when used with a Data SIM from AAISP you may want to take advantage of the static IP and routed blocks of IPv4 addresses. In these cases you don't want the dongle to do any NAT. To do this, the dongle needs to be configured to be a 'modem', and then we need to do a little bit of FireBrick config.
In its default state, the ZTE MF823 dongle will give internet access and the FireBrick can also be configured to use the dongle as a backup internet connection if your main connection goes down. However, when used with a Data SIM from AAISP you may want to take advantage of the static IP and routed blocks of IPv4 addresses. In these cases you don't want the dongle to do any NAT.
To do this we need to do a few things as described below:
*the dongle needs to be configured to be in serial mode and have the default APN set
*The FireBrick needs config to change the default dial string


==Changing the ZTE MF823 to 'modem' mode==
==Changing the ZTE MF823 to 'serial modem' mode==
Warning: This is still in progress and has not been fully tested, and as such may not work.
Warning: This is still in progress and has not been fully tested, and as such may not work.


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and change the <port...> item for USB to use usb="ZTE" rather than the default (which is usually Example-3G)
and change the <port...> item for USB to use usb="ZTE" rather than the default (which is usually Example-3G)



=Further help with the dongle=
=Further help with the dongle=