Hal> Isn't the GID the subnet prefix concatenated with the EUI-64 GUID ? Hal> If so, I see 2 issues: 1. GUIDInfo should also reflect this. Hal> 2. Uniquification of EUI-64s (flag odd ones as errors) This change/workaround only affects the value put into an internal HCA data structure when a GRH/GID is _not_ being sent. - Roland