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[WhippyLizard]

Upon doing this, when the router performs it's initial setup the following is displayed on the last page:
The input data has illegal programming language!

The router allows me to log in though and I will attempt to use it for the next two days and let you know what happens if anything.

Lets try a reload of the FW code and see if it does anything using the following process:
>FW Update Process

Factory reset, send the file, the reset once more then set up from scratch. Don't load any saved config files.

• Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.
• WAN Port Speed set to Auto or specific speed? Some newer ISP modems support 1000Mb so manually setting to Gb speeds can be supported by the router. Advanced/Advanced Networking/WAN Port Speed

I have the exact same issue, after two days the wired ports on the device die, a reboot fixes it for the next 48 hours then they die again, reboot fixes it, die. repeat.

Hardware Version: A1 (DIR-855L)
Firmware: 1.03 , 07, May, 2014
North America
Factory Reset: No on original 1.0 firmware as it was new, YES on 1.03

Working before?: No idea item was new and firmware updated for security features.

ISP: WoW Cable
Modem: Self owned, Motorola Surfboard SB6121
IP is always Dynamic
Upspeed: 5Mbps
Down speed: 110Mbps
CAT6 is in use
MTU set according to ISP (AUTO, 1500)

[FurryNutz]

Can you do the same process accept for use the prior version of FW? Or the shipping FW thats on the web site? Try v1.00 and see if the input data message still appears. Please use IE or FF with browswer add-ons disabled.

[WhippyLizard]

The reinstall failed with the same issue, the wired ports disable after 2/3 days.
later today I will install 1.00 and report back what happens.

Can you do the same process accept for use the prior version of FW? Or the shipping FW thats on the web site? Try v1.00 and see if the input data message still appears. Please use IE or FF with browswer add-ons disabled.

[FurryNutz]

Let us now now v1.00 does for you, if it still happens, I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this. We find that phone contact has better immediate results over using email.
Let us know how it goes please.

The reinstall failed with the same issue, the wired ports disable after 2/3 days.
later today I will install 1.00 and report back what happens.

Can you do the same process accept for use the prior version of FW? Or the shipping FW thats on the web site? Try v1.00 and see if the input data message still appears. Please use IE or FF with browswer add-ons disabled.

[WhippyLizard]

I reverted to version 1.01 before I attempted the stock firmware.

1.01 has been running fine for a week+ now. I have had no disconnecting issues with the hardwired ports now. There appears to be an issue with the Beta firmware for the device. Since the beta for the device was released a some time ago, any chance that the technicians over there can look at the firmware for this router and fix whatever may be causing the wired ports to disable after a few days?

Let us now now v1.00 does for you, if it still happens, I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this. We find that phone contact has better immediate results over using email.
Let us know how it goes please.

The reinstall failed with the same issue, the wired ports disable after 2/3 days.
later today I will install 1.00 and report back what happens.

Can you do the same process accept for use the prior version of FW? Or the shipping FW thats on the web site? Try v1.00 and see if the input data message still appears. Please use IE or FF with browswer add-ons disabled.

[FurryNutz]

Ok. I'll forward this to D-Link and have them review this...Keep us posted if you notice anything else or if it keeps working well.