Relocate the existing Controller or setup a new controller
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05-14-2023 07:33 PM
Hi Everyone,
We have an existing Wireless Controller(AIR-CT5508-K9) in one of our Data center and this controller services 60 AP spreadout accross six different sites/ offices.
Note that the existing data center where the controller is located will be decomisionned so we are planning to relocate the existing controller or setup a new controller..
Question number 1: If we are to set up a another controller fron a new data center then copy the config from the existing controller then migrate the APs one by one to new controller, would this be feasible?
Question number 2: How long APs can function controller less?
Thanks,
gamane
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Catalyst Wireless Controllers
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06-12-2023 03:13 AM
Basically, yes you can do that. That's really what N+1 HA is.
I've already answered your question about configuring the AP pri/sec above:
https://community.cisco.com/t5/wireless/relocate-the-existing-controller-or-setup-a-new-controller/m-p/4841752/highlight/true#M256250
If you want to move them you change the primary and secondary WLC setting on the AP then wait for it to move or reset it to force it straight away. If you want users to be able to roam properly between APs on both WLCs then you need mobility configured between the WLCs.
You probably need to read more about N+1 AP config:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/ap_connectivity_to_cisco_wlc.html#backup-controllers
Please click Helpful if this post helped you and Select as Solution (drop down menu at top right of this reply) if this answered your query.
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TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
Field Notice: FN63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration
Field Notice: FN72424 Later Versions of WiFi 6 APs Fail to Join WLC - Software Upgrade Required
Field Notice: FN72524 IOS APs stuck in downloading state after 4 Dec 2022 due to Certificate Expired
- Fixed in 8.10.196.0, latest 9800 releases, 8.5.182.12 (8.5.182.13 for 3504) and 8.5.182.109 (IRCM, 8.5.182.111 for 3504)
Field Notice: FN70479 AP Fails to Join or Joins with 1 Radio due to Country Mismatch, RMA needed
How to avoid boot loop due to corrupted image on Wave 2 and Catalyst 11ax Access Points (CSCvx32806)
Field Notice: FN74035 - Wave2 APs DFS May Not Detect Radar After Channel Availability Check Time
Leo's list of bugs affecting 2800/3800/4800/1560 APs
Default AP console baud rate from 17.12.x is 115200 - introduced by CSCwe88390
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06-20-2023 06:50 AM
@JPavonM @marce1000 @Rich R , Appreciate all your feedback from all my previous inquiries. Just a quick question though about this commands;
1. AP#capwap ap controller ip address x.x.x.x and
2. AP#capwap ap primary-base WLC x.x.x.x
Do both of this commands force an AP to join a controller? and whats the difference between the two commands?
Thanks,
gamane

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