Cradlepoint IBR1100 User Manual page 71

User Manual / IBR1100/IBR1150
Public DNS servers have the IP addresses 8.8.8.8 and 8.8.4.4 while 4.2.2.2 and 4.2.2.3 are servers from Level 3
Communications.
Force All DNS Requests To Router: Enabling this will redirect all DNS requests from LAN clients to the router's
DNS server. This will allow the router even more control over IP addresses even when clients have their own
DNS servers statically set.
Split DNS
Split DNS allows you create two zones for the same domain, one
to be used by the internal network, the other used by the external
network. Split DNS directs internal hosts to an internal domain
name server for name resolution and external hosts are directed to
an external domain name server for name resolution.
Primary Split DNS and Secondary Split DNS: If you choose to specify
your DNS servers, then enter the IP addresses of the servers you
want as your primary and secondary DNS servers in these fields. The Secondary DNS is optional.
Domain: Click Add to add desired domain for Split DNS.
Dynamic DNS Configuration
The Dynamic DNS feature allows you to host a server (Web, FTP, etc.) using a domain name that you have
purchased (www.yourname.com) with your dynamically assigned IP address. Most broadband Internet Service
Providers assign dynamic (changing) IP addresses. When you use a Dynamic DNS service provider, you can enter
your host name to connect to your server, no matter what your IP address is.
• Enable Dynamic DNS: Enable this option only if
you have purchased your own domain name and
registered with a Dynamic DNS service provider.
• Server Type. Select a dynamic DNS service
provider from the dropdown list:
• DynDNS
• DNS-O-Matic
• ChangeIP
• NO-IP
• Custom Server (DynDNS clone)
• Custom Server Address. Only available if you
select Custom Server from the Server Address
dropdown list. Enter your custom DynDNS
clone server address here. For example: www.
mydyndns.org.
• Use HTTPS: Use the more secure HTTPS protocol.
This is recommended, but can be disabled if not
compatible with the server.
• Host name: Enter your host name, fully qualified. For example: myhost.mydomain.net.
• User name: Enter the user name or key provided by the dynamic DNS service provider. If the dynamic DNS
provider supplies only a key, enter that key for both the User name and Password fields.
• Password: Enter the password or key provided by the dynamic DNS service provider.
Advanced Dynamic DNS Settings
Update period (hours): (Default: 576) The time between periodic updates to the dynamic DNS, if your dynamic
IP address has not changed. The timeout period is entered in hours so valid values are from 1 to 8760.
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