Beginning at 00:00 Sunday July 21st, 1996 all Machine Room ethernet switch services will be unavailable. This routine will have no effect on native FDDI attached devices, all ethernet attached devices will be disabled (subnet 236) until 06:00. Performance and reliablility enhancements are the primary reasons for the upgrade. Due to the wide reaching nature of affected services the entire list will be not included in this notice, for specific details please email [log in to unmask] or dial x.22768 and leave a detailed message.