Renewal of wireless controller certificates

Planned in advance; Complete

Overview

Affected services
  • WiFi network
At Risk Time
04:00 AM, 06-Jul-20 — 06:00 PM, 10-Jul-20
Description
The digital certificates used by the wireless controllers for web authentication (central) need to be renewed which involves rebooting each of the 5 controllers. A controller will be rebooted overnight each day during the week but this will result in a temporary loss of WiFi service in some areas.

Technical Information

Technical Information

Work summary
The digital certificates used by the wireless controllers for web authentication (central) need to be renewed which involves rebooting each of the 5 controllers. A controller will be rebooted overnight each day during the week but this will result in a temporary loss of WiFi service in some areas.
Technical summary
Renewal of wireless controller certificates
Affecting
Servers / Hardware
Criticality
low
Expected impact
There is a possibility some wireless access points may not re-associate with the controller after a reboot resulting in a longer loss of service until the WAP is reset. Clients connecting to central may be asked to trust the new certificate.
Change Reference
Additional comments

Request, Authorise and Publish

Requested by Mark McIntosh on 25-Jun-2020
Authorised by CIS
Publish to IS Website (Service Status and Alerts page): Yes
Published by Wassim Demnati to EdLAN-announce@lists.ed.ac.uk


Additional Details

Risk classification
low
Risk assessment
each controller done separately, only affects central, very low wifi use at the moment
Other people involved
Notes for future reference