Re: Howto enable IPv6 privacy extensions

Patrick Lists <fedora-list@xxxxxxxxxxxxxxxxx> · Fri, 04 Jan 2013 17:42:58 +0100

On 01/04/2013 03:26 PM, Gabriel VLASIU wrote:
[snip]
I also use network.

$ grep IPV6_PRIVACY=rfc3041 /etc/sysconfig/network-scripts/*
/etc/sysconfig/network-scripts/ifcfg-eth0:IPV6_PRIVACY=rfc3041
/etc/sysconfig/network-scripts/ifcfg-wlan0:IPV6_PRIVACY=rfc3041

$ ip -6 a s eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
     inet6 fc00::100/64 scope global
        valid_lft forever preferred_lft forever
     inet6 2a02:2f07:c060:113:9dc0:4eaa:XXXX:XXXX/64 scope global temporary dynamic
        valid_lft 86369sec preferred_lft 14369sec
     inet6 2a02:2f07:c060:113:21b:38ff:YYYY:YYYY/64 scope global dynamic
        valid_lft 86369sec preferred_lft 14369sec
     inet6 fc00::9dc0:4eaa:XXXX:XXXX/64 scope global temporary dynamic
        valid_lft 86369sec preferred_lft 14369sec
     inet6 fc00::21b:38ff:YYYY:YYYY/64 scope global dynamic
        valid_lft 86369sec preferred_lft 14369sec
     inet6 fe80::21b:38ff:YYYY:YYYY/64 scope link
        valid_lft forever preferred_lft forever

Try adding (keep IPV6_PRIVACY=rfc3041)

net.ipv6.conf.default.use_tempaddr=2
net.ipv6.conf.all.use_tempaddr=2

in /etc/sysctl.d/ipv6_privacy_extensions and reboot.
[snip]

Thanks you for your elaborate feedback Gabriel. It works now.

Thanks again,
Patrick

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