Hello Cisco Community,
We are currently in the midst of a project to upgrade our wireless infrastructure from 3500 Series Access Points on AireOS 5520 to the new 91XX Series Access Points on 9800. The issue we face is that we have manufacturing sites to where its impossible to enact a clean cut from old access points to new. High ceilings, washdown, production schedules, and other factors necessitate that we replace these one at a time with manlifts.
Is it possible to somehow peer the 5520 and 9800 together with a mobility group or other means, such that we could replace access points one at a time with sustained roaming capability? Capability aside, does it work well in terms of roaming performance? The alternative is a full plant shutdown and a massive labor effort during a constrained window. We want to avoid this and "rushing the install" at all costs.
Thanks experts for your time and consideration!
Cisco scheduled a few sessions for the same topic, please resister here https://web.cvent.com/event/bcba04b5-6a9b-4a17-ac1e-ae718fd184bd/websitePage:53f5a941-4c4c-4a6f-8787-38f44a092bb4
Session 1 will be on Jan 28th (AireOS to Catalyst 9800 Migration Overview and Best Practices) that will be perfect for you.
Now, 802.11n APs are not supported with C9800 and will need to be replaced eventually.
General Notes about the migration between AireOS and 9800:
Note: The first time you move an AP from AireOS to C9800 (or vice versa), the AP will download the new image, reboot and join the new controller. If the AP has the image as a backup because had already joined that controller, then there is no download. There is a script (WLAN Poller) that can be used to download the other “backup” image to the APs in case you don’t want them to download it once they join the 9800. The script is here for both Windows and Mac OS:
Hello Grendizer -
In this scenario above, does it matter if the environment is in flexconnect mode? In reading through the information posted, it seems to be talking about an "Anchor Controller". Can we utilize an anchor controller in flexconnect mode?
Thank you for your time.