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    Configuring Dynamic DNS

    Dynamic DNS allows an AirLink router’s WAN IP address to be published to a third party DNS service to enable a consistent method for accessing the router’s address. As many routers will have dynamic IP addresses, it is simpler to access the router by domain name (myrouter.domain.com, for example), which can be facilitated using dynamic DNS.

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    Configuring DDNS

    To configure DDNS, go to Networking > WAN Services. The DDNS settings are located under WAN Services.

    SETTING DESCRIPTION RANGE
    DDNS ENABLE Enable or disable the DDNS feature Enable, Disable (default)
    DDNS PROVIDER

    Select the DDNS Service provider

    		 No-IP (default), Regfish, Dyndns
    DDNS RETRY COUNT Number of retries after DDNS records have not been updated with the WAN IP address. The retry interval between DNS queries is 60 seconds. Range 3 to 30 (5 default)

    Configuring DDNS Hosts

    To configure a DDNS Host:

    1. Under the DDNS TABLE, click CREATE HOST. The Create Host screen appears.
    2. Configure the following settings.

    SETTING DESCRIPTION RANGE
    NAME Name for the DDNS Host n/a
    INTERFACE Select the WAN interface for which DDNS will report the IP address n/a (Interfaces will vary with your router model)
    HOSTNAME

    Enter the hostname as an FQDN. You can configure one hostname per entry.

    You cannot configure the same hostname on other interfaces.

    		 n/a
    IP VERSION

    Select the IP version to be updated by the DDNS provider. Note that this configuration should match the DDNS provider configuration. The interface should also have the valid IP present.

    Regfish supports only IPv4. Regfish does not permit hostnames that support both IPv4 and IPv6. Separate hostnames must be created for each IP version.

    		 IPv4, IPv6, Both
    USERNAME User name for your Hostname (for No-IP) or DDNS provider (for other providers). n/a
    PASSWORD

    Password for your Hostname (for No-IP) or DDNS provider (for other providers).

    • No-IP–Use the DDNS Key’s assigned username and password.
    • Regfish–The password is the token and the username should be kept the same (the Regfish API ignores the username).
    • DynDNS–Use the DynDNS website username as username and token as the password.

    		 n/a

    Third Party Dynamic DNS Services

    Using a third party dynamic DNS service requires an account with the third party service.

    Note that if the router has a NATed WAN IP address, the domain name will reference the network device performing NAT.

    Using a Dynamic DNS service does not change the router’s Internet accessibility. If the router cannot be accessed remotely using the WAN IP address, it cannot be accessed using the associated FQDN.

    DDNS Providers

    The DDNS Status depends on dnslookup. DNS propagation time for each provider can be different, and even after a successful update, the status sometimes appears as “Update sent to provider. Internal DNS lookup indicates address not yet updated”. If periodic update is enabled, and the resolved Hostname IP address matches the configured interface IP address, the status changes to “OK” after 60 seconds.

    Please note that DDNS providers limit the number of IP address updates over a period of time.

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