tmnxLudbHostIpv6PfxLen 1.3.6.1.4.1.6527.3.1.2.51.1.21.1.41

The value of the object tmnxLudbHostIpv6Pfx specifies the IPv6 prefix length to assign to the hosts of this local user database host template. The value zero means that the IPv6 prefix is not configured.