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Differential D33091

EC2: Turn off IPv6 DAD
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Authored by cperciva on Nov 23 2021, 4:26 AM.
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kp
imp
bz
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network
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rGefb381caf102: EC2: Turn off IPv6 DAD
rG81075203a057: EC2: Turn off IPv6 DAD
Summary

Disable Duplicate Address Detection in EC2 instances. The networking
configuration in EC2, with IPv6 addresses assigned by DHCPv6 and
host egress filtering, makes "duplicate addresses" impossible.

This speeds up the boot process in EC2 by 2 seconds.
Sponsored by: https://www.patreon.com/cperciva

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Repository
rG FreeBSD src repository
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Event Timeline

cperciva created this revision.Nov 23 2021, 4:26 AM
Herald added a subscriber: imp. · View Herald TranscriptNov 23 2021, 4:26 AM
cperciva requested review of this revision.Nov 23 2021, 4:26 AM
Harbormaster completed remote builds in B42931: Diff 98863.Nov 23 2021, 4:27 AM
cperciva added a reviewer: network.Nov 23 2021, 4:28 AM
kp added a subscriber: kp.Nov 23 2021, 4:54 AM
kp added inline comments.
release/tools/ec2.conf
75

Doesn't that want to be ${DESTDIR}/etc/sysctl.conf ?

cperciva updated this revision to Diff 98864.Nov 23 2021, 5:10 AM

Fix path to sysctl.conf.

Harbormaster completed remote builds in B42932: Diff 98864.Nov 23 2021, 5:10 AM
cperciva marked an inline comment as done.Nov 23 2021, 5:10 AM
cperciva added inline comments.
release/tools/ec2.conf
75

Oops, yes. Fixed.

kp accepted this revision as: kp.Nov 23 2021, 5:12 AM
This revision is now accepted and ready to land.Nov 23 2021, 5:12 AM
imp accepted this revision.Nov 23 2021, 5:13 AM
jlduran added a subscriber: jlduran.Nov 23 2021, 11:34 AM
bz accepted this revision.Nov 23 2021, 12:46 PM
Closed by commit rG81075203a057: EC2: Turn off IPv6 DAD (authored by cperciva). · Explain WhyNov 26 2021, 3:10 AM
This revision was automatically updated to reflect the committed changes.
cperciva marked an inline comment as done.
cperciva added a commit: rG81075203a057: EC2: Turn off IPv6 DAD.
cperciva added a commit: rGefb381caf102: EC2: Turn off IPv6 DAD.Dec 11 2021, 1:35 AM

Revision Contents
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release/
tools/
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Diff 99038

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release/tools/ec2.conf

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