Cellular Router

Q: We find modem connection unstable, often redial, why?

A: The reasons for the disconnection should be analyzed in detail. First of all, confirm whether the local signal is stable and good; Secondly, you can switch dial-up mode test to see if it can increase the stability with the operator. There is a dial-up mode on the modem configuration page. Select DHCP or PPPD. If the current mode is DHCP, you can switch to PPPD for test verification. Third, there are rules for the operator to disconnect the connection for how long there is no data. In this case, ICMP detection function needs to be enabled. On the application page, there is an ICMP function.

Q: A SIM doesn't work, but change to another SIM card, modem connected it, Why?

A: If you change the SIM card, for the same operator, the new card can work, then it indicates that the card may be out of money. It is recommended to put the problem SIM on the mobile phone or other devices to verify that the SIM is working normally.

Q: How does the router do port mapping?

A: Log in to the router configuration interface, enter the Forward→NAT page, click the Add button, add DNAT rules, and configure the corresponding mapped IP and port according to actual needs.

Q: What is the means of the router's MASQ?

A: The function of MASQ is similar to that of SNAT. It can convert the internal IP traffic of the lower computer of the lan port into the IP of the modem or WAN port and send it to the external network to communicate with the external network.

Q: How to set the automatic time synchronization function of the router?

A: Log in to the router configuration interface, enter the System→Clock page, enable the function and set the Time Sync Type option to NTP mode, and configure the time zone and update server options at the same time.

Q: We customize some ports to access the device, but we find that we can't access it. Why?

A: Our program needs to use some ports by default in the device, so we recommend using 50000~65534 ports for customized ports.

Q: How to reset the wireless router configuration (restore factory settings)?

A: When the device is powered on, press and hold the router reset button for 5-10 seconds to restart the system and the system configuration will be restored to the default factory configuration state Factory settings can also be restored through the router web configuration.

Q: Can add 20 policy routes to the router? How many can I add at most?

A: The policy route can be add up to 50 or more.

Q: Does the router have MAC address whitelist function? How to configure?

A: Yes, log in to the router configuration interface, enter the Security→MAC Filter page, and configure the corresponding filtering rules.

Q: How does the router implement the website whitelist function?

A: Log in to the router configuration interface, enter the Security→Domain Filter page, and configure the corresponding filtering rules.