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[debian]: Enable keep_addr_on_down to keep IPv6 addresses (#1992)

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Starting from kernel 4.6, this new attribute keep_addr_on_down
is introduced (https://kernelnewbies.org/Linux_4.6).

If set, static global addresses with no expiration time are not
flushed.

Ref:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac

Signed-off-by: Shu0T1an ChenG <shuche@microsoft.com>
This commit is contained in:
Shuotian Cheng 2018-08-28 14:40:01 -07:00 committed by GitHub
parent 3f37b96de6
commit f85a75c811
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1 changed files with 4 additions and 0 deletions
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build_debian.sh
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@ -318,6 +318,10 @@ set /files/etc/sysctl.conf/net.ipv6.conf.default.accept_dad 0
set /files/etc/sysctl.conf/net.ipv6.conf.all.accept_dad 0
set /files/etc/sysctl.conf/net.ipv6.conf.eth0.accept_dad 0
set /files/etc/sysctl.conf/net.ipv6.conf.default.keep_addr_on_down 1
set /files/etc/sysctl.conf/net.ipv6.conf.all.keep_addr_on_down 1
set /files/etc/sysctl.conf/net.ipv6.conf.eth0.keep_addr_on_down 1
set /files/etc/sysctl.conf/net.ipv6.conf.eth0.accept_ra_defrtr 0
set /files/etc/sysctl.conf/net.core.rmem_max 2097152