User manual

Galaxy H7921 Mobile Router User Manual Chapter 3: Router Configuration
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Local IP address is the Galaxy router IP address obtained from mobile network.
Remote IP address is GGSN or PDSN IP address.
 Set Netmask
Specify the Netmask.
 PPP options
 Disable Protocol Field Compress
 Disable Address/Control Compress
 Disable Compress Control Protocol
 Disable the connection-ID Compress
 Disable Van Jacobson Style TCP/IP Header Compress
Try those settings to adapt mobile network.
 Others
Try other parameters to adapt mobile network.
DHCP Configuration
DHCP means Dynamic Host Configuration Protocol. With the built-in DHCP server
at Galaxy router, it assigns IP addresses to the hosts that connect with the
network.
Click "Start"->"Network Setting"->"DHCP Configuration" menu to start this
setup page.
There are following DHCP server settings.
Galaxy H7921 Mobile Router User Manual Chapter 3: Router Configuration
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 DHCP Server: Enable or Disable.
 Start IP Address/End IP Address: Specify DHCP server IP address
range.
 Netmask: Specify DHCP server netmask (netmask 255.255.255.0
suitable for network within 256 hosts, 255.255.0.0 suitable for
network within 65536 hosts).
 Default Gateway: It is a gateway for hosts connected to Galaxy router
to communicate with outside network. You can setup its IP address
as necessary. Normally, it is Galaxy router LAN interface IP address.
 Default DNS: Default main DNS, it should be configured with
information provide by the local operator. The default setting is
Shenzhen city DNS IP addresses.
 Second DNS: Alternative DNS; it could be null.
 Third DNS: Same as the above.
Dynamic DNS
As you know, there are many DNS server at Internet; it records and translates
the domain name into corresponding IP address. However, normal DNS server
only maps the domain name and static IP address.
Dynamic DNS service will map the specified domain name to a dynamic IP
address. With the built-in client in Galaxy router, the dynamic IP address
assigned by mobile network and the domain name applied from dynamic DNS
service provider will be registered at Dynamic DNS server when the Galaxy
router is connected. Meanwhile, the built-in client will update the operation
information at the interval defined by the dynamic DNS server.
Click "Start"->"Network Setting"->"Dynamic DNS" menu to start this setup
page.
Before enabling the dynamic DNS function, you should apply a valid account
from a service provider in the drop list. Input the following information.