3G Backup Internet connection

3G Backup Internet connection
3G Backup Internet connection
2014-04-20 19:49:58
Region : India

Model : TD-W8968

Hardware Version : V2

Firmware Version : 0.6.0 1.4 v0019.0 Build 130812 Rel.55657n

ISP : Tata Indicom


Dear Sir,

I am using the TD-W8968 router in our small office. The router is connected to Tata Broadband connection(ADSL2) for Internet. I am also using a 3G Dongle from Tata as a Backup solution for Internet.

The problem is when the basic ADSL connection is lost and the router connects to the Backup 3G dongle, only the devices connected by Wifi get the Internet. All other Physically connected devices do not get internet. Is there an additional setting that we need to make so that all devices connected to the router (physical and Wifi) get Internet?

All settings have been done automatically through the CD received with the router and no manual changes have been done by me.

Help in this respect will be highly appreciated. Thanks in Advance!
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#1
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8 Replies
Re:3G Backup Internet connection
2014-04-21 19:45:04
try updating the firmware to the latest version
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#2
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Re:3G Backup Internet connection
2014-04-22 03:27:21
I checked the release notes for the firmware updates (TD-W8968_V2_131011 and TD-W8968_V2_131224). They do not mention anything about this problem except "Improved the performance of USB". I am generally scared of doing a firmware update as it may breakdown something that is working now and then you cannot go back to previous firmware that was working. Are you sure that the Firmware update will solve this problem?
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#3
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Re:3G Backup Internet connection
2014-04-22 07:52:11
in the changelog are almost never written any changes you have made ​​in the firmware, so an update could also solve.
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#4
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Re:3G Backup Internet connection
2014-04-23 19:13:41
I updated the firmware to the latest available version TD-W8968_V2_131224 but the Problem is not solved. I additionally discovered that this problem happens with only those computers that have manually configured IP Address and DNS server Address. The following is the manual configuration in the PC and it is directly connected to the Router.

IP Address: 192.168.1.54
Subnet Mask: 255.255.255.0
Default gateway: 192.168.1.1
Preferred DNS Server: 202.149.208.92
Alternate DNS Server: 202.149.208.11

When I remove the above value and select the "Obtain an IP address automatically" & "Obtain DNS server address automatically" the PC begin's to get internet access.

Attached below is the screen shot of the LAN configuration of the router.



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#5
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Re:3G Backup Internet connection
2014-04-25 02:38:27
You need to change End IP address in the shown screenshot from 192.168.1.50 to 192.168.1.200
after this DHCP server in router will give internet access from IP 192.168.1.2 to 192.168.1.200
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#6
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Re:3G Backup Internet connection
2014-04-28 22:58:34
Some update about the issue... The solution from dushymnit did not work nor did updating firmware have any effect.
I have now programmed all machine to "Obtain an IP address automatically" & "Obtain DNS server address automatically". This made sure that all computers had internet access from the 3G backup connection (Please note that all computers had internet access even with manual IP configuration when I was using primary ADSL connection). Now, since I wanted that some PCs should always have the same IP address; I further used the "IP Address reservation based on MAC address" feature of the router to assign particular IP addresses to specified MAC addresses. This solves my problem BUT what is still unsolved is "why the 3G Internet backup connection does not give internet to PCs that had manually configured IP addresses".
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#7
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Re:3G Backup Internet connection
2014-04-29 02:45:47
Hi Neeraj.
Glad to hear that ur problem is somewhat resolved. as it is networking hardware i dont suppose it to provide 100%.Only the problem should be solved......as i can access internet on my same router but it is not showing on LED...
Here i want to inquire about which 3g modem model are u using..... as i am planning to buy a compatible 3g modem.
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#8
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Re:3G Backup Internet connection
2014-04-29 19:38:48
My 3G dongle is from Tata Photon+ 3G ... I am not sure about the exact model number.... However, if you have W8968 with version 2, it supports quite a few of the 3G dongles in India.
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#9
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