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authorHiroki Sato <hrs@FreeBSD.org>2015-03-02 17:30:26 +0000
committerHiroki Sato <hrs@FreeBSD.org>2015-03-02 17:30:26 +0000
commit11d8451df3d33c5bb876da719ac65e8fc64154f6 (patch)
tree4e61fd1366b02909415f2f7f69207fa6bfdd5f3b /release/arm
parent1d0f6813acadfb6a48623a511a0ec820f125ee34 (diff)
downloadsrc-11d8451df3d33c5bb876da719ac65e8fc64154f6.tar.gz
src-11d8451df3d33c5bb876da719ac65e8fc64154f6.zip
Implement Enhanced DAD algorithm for IPv6 described in
draft-ietf-6man-enhanced-dad-13. This basically adds a random nonce option (RFC 3971) to NS messages for DAD probe to detect a looped back packet. This looped back packet prevented DAD on some pseudo-interfaces which aggregates multiple L2 links such as lagg(4). The length of the nonce is set to 6 bytes. This algorithm can be disabled by setting net.inet6.ip6.dad_enhanced sysctl to 0 in a per-vnet basis. Reported by: hiren Reviewed by: ae Differential Revision: https://reviews.freebsd.org/D1835
Notes
Notes: svn path=/head/; revision=279531
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