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Xbox Live and Teredo
Given that you have IPv6 I would be looking at why the XBOXs are attempting Teredo at all. I would expect them to use the IPv6 addresses that you are assigning your customers.
> On 3 Jan 2018, at 9:25 am, Justin Wilson <lists at mtin.net> wrote:
> Figured the collective here might have an answer. All of a sudden a network I manage started getting complaints from XBOX live users are getting error messages about â??Canâ??t get Teredo IP addressâ?? on their consoles. Is anyone else seeing this wide spread? The Microsoft support default answer is â??Your ISP is blocking portsâ?? when I can do an nmap on each of these customers and all of the xbox live ports are open. As an FYI these are not netted customers, but have true publics.
> We have tried disabling IPV6 on their interfaces and that does not seem to have helped. We have had some customers power cycle everything in their home (CPE, router, xbox) and still no go.
> Anyone else running into this? Does Microsoft have a higher level support for talking with ISPs at all?
> Justin Wilson
> j2sw at mtin.net
Mark Andrews, ISC
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