3 network settings, 4 dns, 5 ntp – Dovado 4GR User Manual
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For instance, .
Hostname lookup interval: Select how often a hostname entered in the Client Access List should
be updated. Frequent updates are needed if the IP-address behind the hostname changes often.
Allowed Clients: The router will only allow access for clients visible in the Client Access List. To
put a client in the list, enter the corresponding IP-address or Hostname (For instance 217.65.34.12
or myhost.dyndns.org) in the Host/IP-field and click Add to list. Repeat the procedure in order to
grant more clients access. Access can be granted from anywhere on the Internet by marking "Any
Host" and pressing "Add to List".
Show Mapping: Displays the router's view of IP-addresses associated with hostnames in the
"Client Access List".
All changes will take effect upon restart of the router
GPS API The router uses a software called gpsd (version 2.39) which has a API on TCP port
2947. For more info about the gpsd API please visit
3.10.3 Network Settings
Here you can alter the MTU, MRU and ICMP for the connection.
Network Settings
To alter the MTU & MRU values, disable the option "Let the router select safe settings" and
manually enter the MTU & MRU values. It might also be important to enable the MSS Clamping
once having altered the values. The router also contains certain templates that are operator
specific in cases where deviations are known.
ICMP Settings
If enabling "Drop Ping requests" the router will not respond to incoming ICMP packets such as ping
request.
3.10.4 DNS
Here you can alter the DNS (Domain Name System) settings in the router.
Dynamic DNS Server Settings:
In most cases, the operator which provides the internet service towards your router is handing out
a constantly-shifting (dynamic) IP address. The Dynamic DNS feature allows you to contact your
router via an easily accessible hostname, such as myrouter.mydyndns.com
Custom DNS:
If your operator's DNS servers are unavailable, or if you wish to use a 3rd party DNS server, then
insert the IP address of up to two different servers which the router should use. As a result, all
devices on your network will then use those specified DNS servers.
3.10.5 NTP
Dovado routers synchronize their clocks via NTP (Network Time Protocol) servers located out on
the Internet. The synchronization occurs upon each new connection with the Internet, be it the
initial (when powering up) or even during a redial while the router is on.
For the router to contain the accurate time zone, you may have to manually select your region/
country/city to make sure the router will be able to present you with the right time and date. By
making this selection, your router will automatically update itself whenever a time change occurs
throughout a year, depending on the time zone you’re in.
By default, the router will attempt to auto-detect the time zone when using a USB mobile
broadband modem as your primary form of Internet access. Should this fail, then select your
location manually.