int lo
  ip address 10.1.1.3/32
  ipv6 address 10:1::1:3/128

int eth0
  ip address 10.1.3.3/24
  ipv6 address 10:1::3:3/120


ip route 10.1.1.1/32 10.1.3.2
ip route 10.1.1.2/32 10.1.3.2
ip route 10.1.2.0/24 10.1.3.2
ipv6 route 10:1::1:1/128 10:1::3:2
ipv6 route 10:1::1:2/128 10:1::3:2
ipv6 route 10:1::2:0/120 10:1::3:2