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net: calculation of IPv6 common prefix length is wrong #13360

mikioh opened this issue Nov 22, 2015 · 1 comment


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commented Nov 22, 2015

Just a reminder.

The commit adb1e03 leaves the issue on calculation of Pv6 common prefix length. It assumes that there's no prefix longer than 64-bit. Of course the assumption is wrong. We perhaps see that some network operators want to use /96 for IPv4-embedded IPv6 addresses.

@mikioh mikioh added this to the Unplanned milestone Nov 22, 2015


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commented Nov 22, 2015

The common prefix length function isn't exposed anywhere.

It's specifically there for RFC 6724 where I believe it functions as needed. Feel free to reopen if you have a concrete example of something that this breaks, or somehow that this violates the RFCs.

@bradfitz bradfitz closed this Nov 22, 2015

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