# Feedback for problems
ip6tables -A INPUT -p icmpv6 --icmpv6-type 1 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 2 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 3 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 4 -j ACCEPT
ip6tables -A FORWARD -i $WAN_IF -p icmpv6 --icmpv6-type 1 -j ACCEPT
ip6tables -A FORWARD -i $WAN_IF -p icmpv6 --icmpv6-type 2 -j ACCEPT
ip6tables -A FORWARD -i $WAN_IF -p icmpv6 --icmpv6-type 3 -j ACCEPT
ip6tables -A FORWARD -i $WAN_IF -p icmpv6 --icmpv6-type 4 -j ACCEPT

# Router and neighbor discovery incoming and outgoing
ip6tables -A INPUT -p icmpv6 --icmpv6-type 133 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 134 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 135 -j ACCEPT
ip6tables -A INPUT -p icmpv6 --icmpv6-type 136 -j ACCEPT
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type 133 -j ACCEPT
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type 134 -j ACCEPT
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type 135 -j ACCEPT
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type 136 -j ACCEPT

# Ping request to firewall from LAN and DMZ
ip6tables -A INPUT ! -i $WAN_IF -p icmpv6 --icmpv6-type 128 -j ACCEPT
# Ping request from firewall, LAN and DMZ
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type 128 -j ACCEPT
ip6tables -A FORWARD ! -i $WAN_IF -p icmpv6 --icmpv6-type 128 -j ACCEPT