User manual

H980 Series 3G Router User Manual
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Fig. 3.3.2.2: Modem configuration Interface
【DNS Customize】: Set whether configure the DNS server address manually:
Enable/Disable.
【DNS1】: Set IP address of the primary DNS server.
【DNS2】: Set IP address of the standby DNS server.
【VPN Route Type】: Set whether all the packets will pass through VPN even the access
to the Internet.
3. Custom configuration
This mode is used for debugging; customers do not need it normally.
3.3.2.4 Link-backup
Click the “Link-backup” sub-tab to set the Link-backup.
Fig. 3.3.2.3: Link-backup
【Link-backup Status】: set whether enable link-backup function.
【Enable VPN as Backup Link】: when use backup link, also use VPN setting.
【ICMP Check Rule】: set the parameters of ICMP check, only useful when use ICMP to
check the link availability.
【Link Switch Rule】: There are two modes to judge the link availability, NONE means
router will use PPP check, Timeout means use ICMP check. ICMP check is better but
may cause extra flow fee.