SRT Router Change

Planned in advance; Complete

Overview

Affected services
  • Core Firewall
Degraded Service Time
08:00 AM, 02-Sep-21 — 04:30 PM, 02-Sep-21
Description
Replacing the existing SRT routers with new routers. Replacement will happen in each data-centre one at a time with no loss of service. Degraded Service Time between 08:00 AM and 04:30 PM, on Thursday, 2nd-Sept-21, affecting Main Library and 27-29 George Sq

Technical Information

Technical Information

Work summary
As part of new network deployment. We require to increase the resources available to the stretched vlans. As a result we need to replace the existing SRT routers with new routers. Replacement will happen in each data-centre one at a time with no loss of service
Technical summary
SRT Router Change
Affecting
Main Library and 27-29 George Sq
Servers / Hardware
Network
Criticality
low
Expected impact
As the SRT routers are in active/passive pair across two data centres. Each data centre can be replaced while the other data centre takes the full load of traffic. So no loss of service is expected
Change Reference
Additional comments

Request, Authorise and Publish

Requested by Fraser McKenzie on 26-Aug-2021
Authorised by CIS
Publish to IS Website (Service Status and Alerts page): Yes
Published by Piroska Nemeth


Additional Details

Risk classification
low
Risk assessment
Process was tested during the first deployment of the SRT routers and network service and performance wasn't impacted. Replacement will use the same method
Other people involved
EE
Notes for future reference