Broken IPv6 firmware on U-Verse 3801HGV

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1

I noticed that AT&T released some firmware with IPv6 support back in
May for their 3801HGV (and related) gateways. To try this out, I
factory-reset my 3801HGV (still on version 6.9) and it installed the
6.11 firmware about 10 minutes later. I then used the obscure page at
https://esupport.att3.2wire.com/online-tool/compat-index.jsp to
request an IPv6 address ("wait 48 hours" it said) and got a routable
IPv6 address in just a few minutes.

All for naught, though. With IPv6 enabled, the 3801HGV crashed and
rebooted about once an hour. After unchecking "IPv6 LAN Enabled" in
http://192.168.1.254/xslt?PAGE=C_2_6 everything went back to normal.

If anyone from AT&T is listening, I'm happy to help diagnose your
firmware problems.

Ivan

2

This happened to me as well. I called support, they rolled a truck and installed
the NVG589. Had them come back out a week later and bond the pairs, and
IPv6 via their 6RD is working without issue.

At the time, I thought it was an actual hardware issue. After a few reboot
cycles, it was only staying up ~3 seconds at a time before rebooting again.

3

please refer to the e-mail I sent to this list last December about IPv6 and u-verse.