From: David Ahern <d...@cumulusnetworks.com> Date: Wed, 24 Feb 2016 09:25:37 -0800
> Currently, all ipv6 addresses are flushed when the interface is configured > down, including global, static addresses: ... > Add a new sysctl to make this behavior optional. The new setting defaults to > flush all addresses to maintain backwards compatibility. When the set global > addresses with no expire times are not flushed on an admin down. The sysctl > is per-interface or system-wide for all interfaces > > $ sysctl -w net.ipv6.conf.eth1.keep_addr_on_down=1 > or > $ sysctl -w net.ipv6.conf.all.keep_addr_on_down=1 > > Will keep addresses on eth1 on an admin down. ... > Signed-off-by: David Ahern <d...@cumulusnetworks.com> Applied, thanks for your persistence David :)
