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How does IPv6 source address selection work in Linux?

Fresh3 days ago
Mar 15, 20263678 views
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Problem

How does Linux choose which of possibly many IPv6 source addresses to use when connecting to another site? I am opening connections to 6to4 and non-6to4 sites from a host configured with both a 6to4 and a non-6to4 address. My Linux box was configured with 6to4 and non-6to4 IPv6 addresses and it did…

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Fix for: How does IPv6 source address selection work in Linux?

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The best document on this is from Ulrich Drepper, he describes the , the relationship with RFC 3484, the connection of glibc getaddrinfo(3) and kernel address selection. http://www.akkadia.org/drepper/linux-rfc3484.html BTW: iproute2 supports in lat…

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