Capitolo 690.   Configurazione generale

/sbin/cardmgr ; read -t 5

echo "1" > /proc/sys/net/ipv4/ip_forward

echo "1" > /proc/sys/net/ipv6/conf/all/forwarding

echo "1" > /proc/sys/net/ipv4/ip_dynaddr

ifconfig lo 127.0.0.1 netmask 255.0.0.0

ifconfig eth0 indirizzo_ipv4 netmask maschera_di_rete

ifconfig eth0 inet6 add fec0:0:0:1::x/64

route add -net 224.0.0.0 netmask 240.0.0.0 eth0

ifconfig interfaccia indirizzo_ipv4 \
  \netmask maschera_di_rete

route add -net default gw indirizzo_altro_router \
  \[dev interfaccia]

TEMP=`ifconfig ppp0 | grep "inet addr"`

TEMP=`echo $TEMP | sed s/inet.addr://`

IND4=`echo $TEMP | sed s/P-t-P.*$//`

TEMP=`echo $IND4 | tr "." " "`

TEMP=`printf "%02x%02x:%02x%02x" $TEMP`

IND6A=2002:$TEMP:x::y

IND6B=2002:$TEMP:x::z

ip tunnel add name tun6to4 mode sit \
  \remote any local $IND4

ip link set dev tun6to4 up

ip -6 addr add $IND6A/48 scope global \
  \dev tun6to4

ip -6 route add 2000::/3 via ::192.88.99.1 \
  \dev tun6to4 metric 1

ip -6 address add local $IND6B/64 \
  \scope global dev eth0

# /etc/radvd.conf

interface eth0

{

    AdvSendAdvert on;

    MaxRtrAdvInterval 30;

    prefix indirizzo_ipv6_b/64

    {

        AdvOnLink on;

       AdvAutonomous on;

       AdvValidLifetime 120;

       AdvPreferredLifetime 60;

    };

};

ip -6 route flush dev tun6to4

ip link set dev tun6to4 down

ip tunnel del name tun6to4

ip -6 address flush to 2002::/16