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Teredo can't ping another Teredo (whether on same link or across site)

    Question

  • I have Teredo setup on several computers that are either located on a common link or spread across sites.  From these clients I can ping real IPv6 addresses on the Internet but I cannot ping any of my other Teredo clients - even the ones on the same link.

    What's intersting is that if I put a sniffer on any of the targets I can see the bubble packets making it to the machine and (in the case of cross-site pings) if I look in the NAT engine I can see the translations are built correctly and again the bubble packets are making it just no data. I'm using teredo.ipv6.microsoft.com for the teredo server but I don't know if this makes any differnece.

    Any ideas?

    Thanks!!

    Thursday, January 26, 2012 5:07 AM

All replies

  • Can you ping the machines using link-local or IPv4? Just to rule out that this is a Teredo-specific issue...
    Thursday, March 08, 2012 6:46 AM
  • Please post output from 2 hosts:

    netsh interface ipv6 show address teredo


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    Friday, March 09, 2012 1:38 PM