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.
Mark > On 3 Jan 2018, at 9:25 am, Justin Wilson <li...@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 “Can’t get Teredo IP address” on their consoles. Is anyone > else seeing this wide spread? The Microsoft support default answer is “Your > ISP is blocking ports” 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 > j...@mtin.net > > www.mtin.net > www.midwest-ix.com > -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
