nanog mailing list archives

Re: Comcast enables 6to4 relays


From: Valdis.Kletnieks () vt edu
Date: Tue, 31 Aug 2010 13:12:45 -0400

On Tue, 31 Aug 2010 12:02:56 CDT, Jack Bates said:

6to4 doesn't suffer the same issues. Primarily because RFC1918 
addressing can't be used in 6to4. This means that at a minimum, the 
router has to participate or the host behind it must be manually 
configured with a 6to4 address (for the proto 41 pass through to work). 
Neither is an automatic traversal of the router's policies without user 
knowledge.

I'm sure that somewhere, somebody has managed to configure their gear
such that one of those two things can happen without user knowledge. :)

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