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help: Disable IPv6 forwarding on all interfaces
# Disable IPv6 forwarding for all interfaces we currently have,
# and set default such that it will be disabled on any new interfaces
# that come up after this.
create:
sudo sh -c "echo 0 > /proc/sys/net/ipv6/conf/all/forwarding"
sudo sh -c "echo 0 > /proc/sys/net/ipv6/conf/default/forwarding"
# Re-enable IPv6 forwarding globally. But only enable it for those
# interfaces that do not have forwarding disabled on a per-interface
# basis. A per-interface flag file under /var/run/vyatta/ tells us if
# it is disabled. Restore default value so that any new interfaces
# that come up after this will have forwarding enabled.
delete:
cd /proc/sys/net/ipv6/conf
for i in * ; do
if [ "$i" = "default" -o "$i" = "all" -o ! -d "$i" ]; then
continue
fi
if [ ! -e /var/run/vyatta/ipv6_no_fwd.$i ]; then
sudo sh -c "echo 1 > $i/forwarding"
fi
done
sudo sh -c "echo 1 > /proc/sys/net/ipv6/conf/default/forwarding"
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