Network Operations will be upgrading the main campus router on Saturday April 12, 1997 at midnight to 06:00am April 13. During this time the following subnetworks and services will be unavailable; - all access to Internet - all access to Glendon - all access to remote sites - rossc0 subnet .218 - rossnII0 subnet .194 - ccsnoc0 subnet .168 - petrie0 subnet .232 - telecom0 subnet .144 - rosss0 subnet .216 - atkinsontowerII0 subnet .220 - ccsi0 subnet .237 - steacie-sci0 subnet .166 - scottpub0 subnet .176 - CCS Backbone FDDI subnet .234 - CCS Machine Room FDDI subnet .236 - rossn0.swx subnet .214 - scott0.swx subnet .180 - eob0.swx subnet 245