This object represents the type of IPv6 Neighbor binding snooping drop counter and uniquely identifies an entry in this table. A value of ndpRs(1) indicates that, NDP router solicitation. A value of ndpRa(2) indicates that, NDP router advertisement. A value of ndpNs(3) indicates that, NDP neighbour solicitation. A value of ndpNa(4) indicates that, NDP neighbor advertisements. A value of ndpRedirect(5) indicates that, NDP redirect. A value of ndpCertSol(6) indicates that, NDP certificate solicit. A value of ndpCertAdv(7) indicates that, NDP certificate advertise. A value of dhcpV6Sol(8) indicates that, DHCPv6 solicit. A value of dhcpV6Adv(9) indicates that, DHCPv6 advertise. A value of dhcpV6Request(10) indicates that, DHCPv6 request. A value of dhcpV6Confirm(11) indicates that, DHCPv6 confirm. A value of dhcpV6Renew(12) indicates that, DHCPv6 renew. A value of dhcpV6Rebind(13) indicates that, DHCPv6 rebind. A value of dhcpV6Reply(14) indicates that, DHCPv6 reply. A value of dhcpV6Release(15) indicates that, DHCPv6 release. A value of dhcpV6Decline(16) indicates that, DHCPv6 decline. A value of dhcpV6Recfg(17) indicates that, DHCPv6 reconfigure. A value of dhcpV6InfoReq(18) indicates that, DHCPv6 information request. A value of dhcpV6RelayForward(19) indicates that, DHCPv6 relay forward. A value of dhcpV6RelayReplay(20) indicates that, DHCPv6 relay replay.