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TP-LINK TD-W8920G (A) ver 2.2 UK new firmware > build 080227n ?

Hardware version reported at as
TD-W8920G v1 0000235b

Sticker on bottom of unit
TP-LINK TD-W8920G (A) ver 2.2

BT ADSL Broadband in UK

Current router firmware version reported at
1.3.3 Build 080227 Rel.40823n
(as supplied new in box early Nov 08)

Manufacturer support:

Problem: Ability to switch firewall on and off seems to be missing from router admin panel at, yet the option 'enable firewall' is clearly shown as a checkbox in the pdf manual.

Should I update the firmware? I don't know whether I should be looking at Annex A or Annex B firmware offerings. I do not have ISDN, the connection is ADSL. The Annex A firmwares on the manufacturer's site seem to be older than the firmware reported by the router, but there *is* an Annex B firmware with a higher version number than the one currently installed, available for download.

I'm confused by the discrepancy between the hardware version reported by the interface, and the hardware version printed on the base of the unit.

Maybe I am just not looking in the right place in the admin console for the disable / enable firewall option..?

Posted by on

  • NginmuMbetse Nov 11, 2008

    Thanks Mr Q

    Still no disable firewall in the latest version? Downer.

    I appreciate that turning off the firewall isn't really something that's advisable. But it's sometimes handy to let it down briefly, just for a few seconds, to 'prove' it's not responsible for some connection problem or other. (this is usually an issue I run into when dealing with tech support for FTP at my webhost; they always blame the customer's firewall..)

    I know what the answer to that is.. get a better host ;)

    Thanks for answering me especially since you also have the same router :)

  • mbg955 Feb 11, 2009

    hi to all
    my device has no more option "PPPoA,MER or IPoA"
    simillar figure below.
    why this happen?


2 Answers

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My solution:

Go to the "Security" option and click to "Incoming" rules. By default, all WAN traffic blocked, but you can create "ALL" rules, just left the source and destination ip address and port blank. This means ALL ports and ip like the firewall off.
TP-LINK TD-W8920G (A) ver 2.2 UK new firmware > bu - dd1f686.png

Posted on Feb 22, 2010

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The (A) indicates Annex A firmware.  Your firmware is the version listed on the Device info page at (ignore the sticker on the base).
Currently the latest version on the TP-Link website is TD-W8920G_080429 - that is, the version that came out in April 29th, 2008.  Your current version came out Feb 27th 2008 (080227)  Ignore the release numbers as these may not be comparable to other versions.
You can download the latest version from the website listed above.  It says Australia only - don't worry, it works everywhere.  It just sets the default wireless location to Au - you will need to change this back to UK so that it only shows wireless channels that are legally OK for you to use in the UK.
I have the same router, and the latest firmware.  However, there is no firewall enable/disable option, and honestly, you don't want to turn off the firewall.  This is where Virtual Servers in the NAT configuration comes in.  Virtual servers allow certain ports on the router to be forwarded to a particular computer that is connected to the router (eg., for file sharing or online game playing).  Check this website here for good instruction on how to setup your router to forward ports:

Posted on Nov 10, 2008

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