In general there is no problem with config loss when doing an upgrade of code, especially if the upgrade is a version upgrade and not a change of feature set. As long as you assure that the new version of code is correctly loaded in flash and tha the boot variables are correctly updated then I can not think of a reason why you would need to reconfigure the switch.
If you are really concerned about this then I would suggest that you start with a single switch and try that one before you do a group of them.
In the last year, we’ve seen substantial changes in how enterprises conduct business. When the pandemic hit, it exposed gaps in business continuity plans, and it showcased the need to quickly deploy and remotely manage secure connections.
On 18th December 2020, Cisco announced the latest IOS XE release - Cisco IOS XE Bengaluru 17.4.1a
The first one in the Cisco IOS XE Bengaluru release series, IOS XE 17.4.1a unlocks various routing features and enhancements comprehensively c...
Exploring business options for a SD-WAN managed serviceLogicalis UK offers a rapid, cost effective deployment with ngenaAdvantages that make a differenceSummary of benefits:Looking forwardResources
This event had place on Tuesday 19th, January 2021 at 10...
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Community Live- May the SD-WAN Force Be With You
This event took place on Tuesday 19th, January 2021 at 10:00hrs PDT
In this session attendees received an introduction to Software Defined-WAN (SD-WAN) and the importance of ...
Cisco Champion Radio · S8|E3 The Cisco DNA Center Machine Reasoning Engine
Machine Reasoning is a new category of AI/ML that you will soon hear a lot about. It saves your IT team time by automating complex and tedious networking tasks. It can also...