Fixes for Ubuntu 10.10 to make the IPv6 stack barely usable.

ipv6-fixes

#!/bin/bash

# Fixes for Ubuntu 10.10 to make the IPv6 stack barely usable.
#
# ---> /etc/network/if-up.d/ipv6-fixes
#
# This should really go into /etc/network/if-pre-up.d, but 
# Scripts in that directory are ignored by NetworkManager.
# Thanks to this, IPv6 will now come up properly only a few
# minutes after startup.

LOGGER='/usr/bin/logger -t /etc/network/if-up.d/ipv6-fixes'
SYSCTL='/sbin/sysctl -q'

$LOGGER "Applying stupid IPv6 fixes on: ${IFACE}"

$LOGGER "Disabling IPv6 Duplicate Address Detection (oh no)."
$SYSCTL net.ipv6.conf.${IFACE}.accept_dad=0
$LOGGER $(/sbin/sysctl net.ipv6.conf.${IFACE}.accept_dad)

$LOGGER "Enabling IPv6 privacy extensions (oh yes)."
$SYSCTL net.ipv6.conf.${IFACE}.use_tempaddr=2
$LOGGER $(/sbin/sysctl net.ipv6.conf.${IFACE}.use_tempaddr)