Cannot logon with IPv6 enabled

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  kletool · Member · Nov 5, 2012 at 10:06 pm

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  Hello!
  Since a few days i only can use IPv4.
  When enabling dual-stack i cannot logon.
  I´m not shure, if it has something to do with it, but my provider changed the MTU from 1492 to 1460.
  Any Idea?
  Best regards, Kletool
  Blog url: http://kletool.wordpress.com/

  The blog I need help with is: (visible only to logged in users)

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  kathrynwp · Staff · Nov 6, 2012 at 3:12 pm

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  Hi there, I’d like to gather some more information for troubleshooting.

  1. Does it make a difference whether you log in via the homepage – http://wordpress.com/ – or via your administration area here:
  http://kletool.wordpress.com/wp-admin

  2. What exactly happens when you try to log in? Do you see an error message, and if so, what does it say? Would it be possible to upload a screenshot to help in troubleshooting?

  Here’s a guide on how to make a screenshot, if you’re not sure: http://en.support.wordpress.com/make-a-screenshot/

  You can upload the screenshot in your Media Library and then post a link so I can see it.

  3. Could you please try a different browser, such as Firefox or Chrome?
  Firefox – http://www.getfirefox.net/
  Chrome – https://www.google.com/chrome

  Thanks.

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  kletool · Member · Nov 9, 2012 at 11:59 am

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  Hello Kathryn!
  I investigated hours the last days – Summary:
  1) XP SP3 all appliede Patches + FF16.02 in safe mode:
  – hanging with “waiting for …” in the lower left corner with one of these hosts: 0.gravatar.com, 1.gravatar.com, secure.gravatar.com, s0.wp.com, s2.wp.com
  2) Sometimes the loading of http://kletool.wordpress.com hang,
  sometimes the login stucks, sometimes i cannot get subpages like statistics.
  3) IE8 just the same – but it´s more hanging – Navigation for IE8 stops too. – Menu Items not accessible.
  4) IE10 Release Preview of Windows 8:
  Loading of http://kletool.wordpress.com hang, loading finished ~ 3 min. Using the “Anmelden” = Login Button -> hang
  Click the Url Line + Enter (http://kletool.wordpress.com/wp-admin.php)
  loading imediate the login screen. Entering User + Password + Enter
  – Stuck.
  Click the Url Line + Enter (http://kletool.wordpress.com/wp-admin) is showing my Dashboard.
  5) Disabling the binding for IPv6 or using my Mobile Stick always works, then i´m using IPv4.
  6) My Provider is Silver Server in Vienna. – Maybe, that´s their problem.
  Last week I had a problem with IPv4 too, where they reduced my MTU from 1492 to 1460 without telling me.
  7) I tried several MTU´s for my 6to4 Tunnel to Silver Server
  1280, 1380, 1420 – No change in Stability.
  – First time: no go
  – second try: go

  Any ideas, Klemens

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  kathrynwp · Staff · Dec 12, 2012 at 6:54 pm

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  I’m sorry we missed your reply. Did this issue resolve itself or are you still having trouble logging in?

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  kletool · Member · Dec 12, 2012 at 7:10 pm

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  Hello Kathryn!
  Meanwhile I modified my ipv6 prefix policy like described in my article
  http://kletool.wordpress.com/2012/11/09/ipv6-prafix-policy/
  Just no i reseted it to defaults with:
  netsh int ipv6 reset
  Ping google.com is now IPv6
  and NOW i can login into WordPress normal!

  Something changed on your side?

  Have a fine day, Klemens

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  kathrynwp · Staff · Dec 12, 2012 at 7:17 pm

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  I’m glad things are working for you again – thanks for letting us know. If you have issues in the future feel free to start a new thread.