OpenSUSE Policy Based Routing for IPv6

ifcfg-eth0

BOOTPROTO='static'
IPADDR='2001:718:1:fff0:50:56ff:feef:4/64'
STARTMODE='onboot'
NAME='VMXNET3 Ethernet Controller MGMT'

PRE_UP_SCRIPT='local-disablera'
POST_UP_SCRIPT='local-postup-pbr6'
PRE_DOWN_SCRIPT='local-predown-pbr6'
LOCAL_PBR6_PRIO='40001'
LOCAL_PBR6_DEFAULTPRIO='60001'
LOCAL_PBR6_GW='2001:718:1:fff0::1'
LOCAL_PBR6_FROMADDR='2001:718:1:fff0:50:56ff:feef:4'

local-disablera

#!/bin/sh

confdir="/proc/sys/net/ipv6/conf/$2"
if [ -n "$2" ] && [ -d $confdir ]; then
        echo 0 > "${confdir}/accept_ra"
else
        echo "Usage: $0 <whatever> <iface>"
fi

local-postup-pbr6

#!/bin/sh

iface=$2
if [ -z "$iface" ]; then
        echo "Usage: $0 <configfilesuffix> <interface>"
        exit
fi

. /etc/sysconfig/network/ifcfg-$1

ip -6 route flush table $iface
ip -6 route add default via $LOCAL_PBR6_GW dev $iface table $iface
ip -6 rule add from $LOCAL_PBR6_FROMADDR prio $LOCAL_PBR6_PRIO table $iface
[ -n "$LOCAL_PBR6_DEFAULTPRIO" ] && ip -6 rule add prio LOCAL_PBR6_DEFAULTPRIO table $iface

local-predown-pbr6

#!/bin/sh

iface=$2
if [ -z "$iface" ]; then
        echo "Usage: $0 <configfilesuffix> <interface>"
        exit
fi

. /etc/sysconfig/network/ifcfg-$1

ip -6 route flush table $iface
while ip -6 --oneline rule show | grep -q "lookup $iface"; do 
        ip -6 rule del lookup $iface
done