A node encountered an error in an IPv6 header or extension header and could not process the packet. A code value distinguishes an erroneous header field (0), an unrecognised next header type (1), or an unrecognised option (2).
icmpv6-4
icmp A node encountered an error in an IPv6 header or extension header and could not process the packet. A code value distinguishes an erroneous header field (0), an unrecognised next header type (1), or an unrecognised option (2).