1This extension can be used if `--protocol ipv6-icmp' or `--protocol icmpv6' is 2specified. It provides the following option: 3.TP 4.BR "--icmpv6-type " "[!] \fItype\fP[/\fIcode\fP]|\fItypename\fP" 5This allows specification of the ICMPv6 type, which can be a numeric 6ICMPv6 7.IR type , 8.IR type 9and 10.IR code , 11or one of the ICMPv6 type names shown by the command 12.nf 13 ip6tables -p ipv6-icmp -h 14.fi 15