TD-W8951ND is getting devices from WAN into my LAN

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TD-W8951ND is getting devices from WAN into my LAN

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TD-W8951ND is getting devices from WAN into my LAN
TD-W8951ND is getting devices from WAN into my LAN
2013-04-25 22:13:19
Region : Argentina

Model : TD-W8951ND

Hardware Version : V4

Firmware Version : 4.0.0

ISP : ARNET


Hi gurus: we are using this modem router ADSL in our LAN. Data are:

Modem router is configured with IP 192.168.0.200

It is the gateway of our LAN.

Wireless access is disabled in the TD-W8951ND

Sure physical cable´s security is right. Not other devices in the LAN have any WiFi card installed.

Our IP segment is 192.168.0.X /24 for internal LAN.

The (big) problem is that we discover devices not owned by us in the LAN, doing ip scanning in the IP segment 192.168.0.X/24 we can see devices of that segment that not belongs to internal LAN...!

The security problem is solved when we unplug the ADSL/phone connection, it confirm that the alien devices are discover from WAN connection..

The obvius solution is to change the IP segment in our LAN, but it is extremely hard because multiple devices (+100) have static IP configuration...

Need help please..!! how can we solve this behavior..?

Thanks in advance. Whait your suggestions.
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