Re: NOTHING WILL COMPLETE (ipv6)

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Author: Michael Butash
Date:  
To: plug-discuss
Old-Topics: Re: NOTHING WILL COMPLETE
Subject: Re: NOTHING WILL COMPLETE (ipv6)





Ah, your system got a v6 autoconfig address or something that it
      thinks it's functional enough to use.  I've seen this before, your
      stack is wanting to use v6, but v6 no workie in reality.  More
      than a few companies spontaneously broke with this sort of
      behavior at large when a network guy randomly plays with v6
      features in the router.


Problem is v6 is still a sad state of affairs as a whole, and
      _not_ automagical to work without some serious elbow grease plus
      giving a damn still.

Best to usually just disable it until you have need to otherwise
      use it specifically that you're going to ensure it works.  I've
      seen this wreak havoc in a network with partial (ahem, someone
      screwing around) enabling v6 that hosts start trying to use it,
      but really can't.  Usually it's disabled locally in the network
      config or via GPO push for windoze, under linux using a kernel
      flag.



    sysctl -w net.ipv6.conf.all.disable_ipv6=1

    sysctl -w net.ipv6.conf.default.disable_ipv6=1


    Far as I know cox doesn't still support ipv6 in residential (their
    folks and vendors can't figure it out either), so unless you're
    tunneling a device to a v6 provider with a real good reason to do
    so, there isn't much point.  Keeping v6 on and default also leaves
    your system potentially open to exploit (no one is administratively
    preventing attacks against you here either probably), most best
    practices state to disable it unless you enable with reason.


    As a network guy, dealing with the 128bit v6 addressing makes my
    head hurt, I just hope to retire before I really have to care about
    supporting it in reality.  Vendors still can't get clients to play
    well universally, even android is one of the biggest offenders of
    this still, each has quirks (autoconfigure vs dhcpv6?), and
    generally only used where there is no option.  Everyone who could
    hoarded most of the v4 addresses, they now sell like gold while
    everyone else struggles with v6 doom.


    -mb



On 12/01/2016 07:16 AM, Michael wrote:


figured it out... the modem needed a refresh.

On Thu, Dec 1, 2016 at 9:01 AM, Michael
<>
          wrote:


I restarted the computer and things load as
              normal but I have no connectivity. So I restarted and load
              windows to see if it was a Linux problem. After windows
              finally started Google and Facebook were the only pages
              that would load of five or six. What does it sound like
              the problem is?




On Nov 30, 2016 9:48 PM,
                    "Stephen Partington" <
>
                    wrote:



sounds
                          like connectivity issues with IPv6



On Wed, Nov 30, 2016 at
                          6:18 PM, Michael 
<>
                          wrote:


it froze again. last line:

89% [Connecting to security.ubuntu.com
                                  (2001:67c:1560:8001::11)]            
                                    








On Wed, Nov
                                    30, 2016 at 8:15 PM, Michael 
<>
                                    wrote:


 Well, I don't know
                                        about "nothing" but I try to
                                        open a libreoffice calc document
                                        and it won't open all the way.
                                        Theprogress bar goes almost all
                                        the way.... but not quite. So I
                                        try to open another but the same
                                        thing happens. And another....
                                        and another. Then I try to
                                        update the computer but it
                                        won't. Then I try  to update
                                        with apt but it freezes on
                                        apt-get update... this is the
                                        last line: 



     100% [Connecting to security.ubuntu.com
                                          (2001:67c:1562::19)]          
                                                  

Then I try apt-get
                                            upgrade but the last line
                                            is:



0% [Connecting to mirrors.advancedhosters.com
                                            (2a02:b48:6:1::2)]
                                            [Connecting to



So I don't know what to
                                              do....



hmmmm.... as I was
                                              typing it started the
                                              upgrade again. what is
                                              going on?

--




:-)~MIKE~(-:
















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                        -- 

A mouse trap,
                          placed on top of your alarm clock, will
                          prevent you from rolling over and going back
                          to sleep after you hit the snooze button.


                          Stephen





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