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Merge "Remove RA solicit delay"

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Zuul 2019-10-14 04:52:33 +00:00 committed by Gerrit Code Review
commit 3ac6b53243
2 changed files with 8 additions and 14 deletions
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14
diskimage_builder/elements/simple-init/post-install.d/80-simple-init
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@ -45,17 +45,3 @@ case "$DIB_INIT_SYSTEM" in
exit 1
;;
esac
if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 0 ]]; then
# If we are using NetworkManager then we have to avoid having the kernel
# configure ipv6 addresses on an interface (via router advertisements)
# until NetworkManager starts. If the interface is configured by the
# kernel before NetworkManager then NetworkManager will ignore the
# interface and not configure ipv4 on it. It does this because it assumes
# some other entity is in control of the interface.
# Debian has a many year old long bug report detailing this behavior with
# the most interesting comment being at the end:
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=755202#331
DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY=${DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY:-30}
echo "net.ipv6.conf.default.router_solicitation_delay=${DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY}" >> /etc/sysctl.conf
fi

8
releasenotes/notes/remove-solicit-delay-57a035b91922522a.yaml Normal file
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@ -0,0 +1,8 @@
---
deprecations:
- |
The ``DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY`` variable is removed as
it turned out that increasing this delay increased the odds that
NetworkManager would fail to configure IPv6 on an interface. Instead,
glean has been updated to not up interfaces and relies on NetworkManager
to do this. This results in reliable IPv4 and IPv6 config.