On 25/06/13 10:25, Thomas Schäfer wrote:
Hi,

more and more linux-distributors switch on privacy extensions by
default. In my LAN I have router advertisements on because of
dynamically configured mobile devices. But I also have PCs with static
addresses. Unfortunately sysctl-rules catch some seconds to late. So the
NFS-configuration fails, afterwards postfix fails and so on.

My question is: Is there a kernel boot option to disable SLAAC
completely or at least the
net.ipv6.conf.default.use_tempaddr

This varies by distro. For example, see the related recent discussion on disabling autoconf in Ubuntu (and RHEL)

Basically, a lot of the IPv6 networking scripts on Linux are hacky bolt-ons (with the greatest of respect to those who wrote them!). They often trample over global sysctl settings, and often run *after* link-up, which might be too late to disable certain options.

Which distro are you on?

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