Airport Extreme and Cox Internet IPv6 problem

This is one notification to others as well as a question:

I have Cox Cable high speed Internet in several places using an Airport Extreme 3 GB connected as a router to the modem cable Cox.

For more than a week, we would find regularly in the morning that the outside connection to internet DNS servers were lost.  We called Cox several times and they have done the usual reset of the router and the modem and things seem to work for some time.  But the next day again.

They came out and replaced the connections, I I had to buy a new cable modem and I replaced a digital switch.  Every time things seem to work for some time.

I thought to replace the Airport Extreme (I read others did in a similar situation without result).

After much frustration, I started looking for Airport Extreme and DNS and found similar stories.

After that several unproductive calls with Cox Internet of first level support, I finally reached a level which acknowledged that Cox was the IPv6 deployment and he was having a problem with Airport Extreme routers.  They said Apple was working on it and gave me a number to call for support from router from apple.  Unfortunately the number they gave was no longer valid.

I persisted and finally got the Apple support and indeed they knew the problem and said Cox was working on that... But there was a temporary problem - and that was to disable iPv6 on the airport extreme (more precisely (internet > Internet Options > configure Ipv6: link-Local only).)

For now it seems to have stopped the decline during the night which seems to happen between 12:00 and 02:00.  By experience, I do not think that its really a problem of compaibility IPV6, but how the router meets some kind of rebate to zero/test signal signal service is done in early morning.

So the question is - does anyone know with certainty what happens or who really works on this.  From my point of view, both sides think it's the other problem.  BTW - I've read about other people with Non Apple routers running after something similar.


I also had a similar problem.  Prior service of Cox Communications in Phoenix AZ has been rescinded and recently restored (March 1) yesterday afternoon.  After the departure of the technician, the wi - fi failed to produce a valid connection, citing DNS error and no response from the server.  We have a new modem, CISCO, at an Air Port/Time Capsule 2 TB ethernet cable.

After talking with support for level 2 level 1 and then Cox, there was sufficient evidence for a correct signal via the modem, but the Port of the Air was not picking up or he issued (by Cox).  Check my Air Port Utility apps on iMac and iPhone shows a signal Internet or Air Port casual, but never the two together.  The modem and the Air Port so would show appropriate green led lights up, but in vain to work wi - fi.

The only thing that has worked so far is your solution listed above: Air Port utility > Internet > Internet Options > configure Ipv6: link-Local only.

Thank you, GABarber.

Tags: Wireless

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