# For IPv4 forwarding net.ipv4.ip_forward=1 # For IPv6 forwarding net.ipv6.conf.all.forwarding=1 # This is needed because a router "shouldn't" accept # router advertisements in theory, but in practice, # this kind of router should. # 0 = Don't accept (we don't want this) # 1 = Accept if we're not a router (i.e. forwarding is disabled; we don't want this) # 2 = Accept even if we're a router (we DO want this) # Without this parameter being 2, we don't get a default route. net.ipv6.conf.eth1.accept_ra=2