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    6. Network Failover
    • 13 Apr 2023
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    6. Network Failover

    • Updated on 13 Apr 2023
    • 1 Minute to read
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    Article summary

    It is recommended to finalize the network and failover configuration first. This ensures the device can use the 4/5G connection as a backup (in case of primary connection failure). This also enables access via ZPE Cloud through the failover connection to a secure TLS tunnel.

    6.1 Configure Mobile Broadband GSM

    NOTE

    The device attempts to automatically detect the required APN for the SIM card. If this fails, provide a valid APN. If needed, contact the carrier for APN details. More details on APNs are here

    1. Go to NETWORK :: CONNECTIONS.
    2. Click ADD. Apply the following values.
    SettingValueComment
    TypeMobile Broadband GSM
    NameCELLULAR-A
    Interfacecdc-wdm0 or cdc-wdm1The amount of modems available depend on the model
    Connect AutomaticallyEnabled
    Block Unsolicited Incoming PacketsEnabledThis automatically blocks all inbound connections on the interface
    Enable Data Usage MonitoringEnabledThis moitors the data usage and signal strength at regular intervals and provides historical data
    SIM-1 Data Limit Value (GB)2Data Limit in GB
    SIM-1 Data Warning (%)50Event Notification will be triggered when this level is reached
    Enable Global Positioning System (GPS)EnabledWill try to get the location information of the device via GPS
    1. Click Save.
      nodegrid-network-connection-mobile-single

    6.2 Configure Failover

    1. Navigate to NETWORK :: SETTINGS.
    2. Configure the following settings:
    SettingValueComment
    hostnamehostnameEnter a valid hostname for the device (this updates in ZPE Cloud
    Enable Network FailoverEnabled
    Primary ConnectionETH0/WAN0Select primary connection, typically ETH0 or WAN0
    Secondary ConnectionCELLULAR-ASelect secoundary connection, typically CELLULAR-A (or any other configured CELLULAR connection
    Failover by IP AddressTrigger :: Unreachable Primary Connection IPv4 Default GatewayDefines triger used for failover (sends ICMP ping against the target
    1. Click SAVE.
      nodegrid-network-settings-failover-single
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