On Sun, Jan 15, 2017 at 02:43:45PM -0800, Josh Triplett wrote: > Package: netcfg > Severity: wishlist > > netcfg provides an option to completely disable all automatic > configuration, but no option to disable ipv6 autoconfig (SLAAC) while > leaving DHCP enabled. Putting ipv6.disable=1 on the kernel command line > will cause netcfg to realize the network has no ipv6, but only after > waiting a similar timeout for a link-local address, defeating the > purpose. > > Please either detect disabled ipv6 and skip those steps, or provide a > command-line option to disable ipv6 in netcfg. > > (Context: repeatedly testing preseed installs in a virtual machine, and > I don't want to keep waiting on ipv6 autoconfig timing out.) >
From what I've read, ipv6.disable=1 hasn't been sufficient for quite some time, and one requires something like the following in /etc/sysctl.d/: 00-disable-ipv6.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 Cheers, Nicholas
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