Solved: Re: WLC 5520 with only CIMC - Cisco Community

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Hi guys!

I have bought a refurbished WLC 5520 and I noticed that it has not installed the iOS. Is it possible?

At first configuration I connected my laptop to the Service Port and I gave it an IP but i can see just the CIMC page.

How can I solve this problem?

Thanks a lot!

1 Accepted Solution

Accepted Solutions

If it really has no OS installed then your only option is RMA to replace the hardware. The files to install OS from blank are not publicly available.

Does the CIMC show disk installed and enabled?
You could also try updating the CIMC as per the release notes:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn810mr10.html#cimc-upgrade
See also https://community.cisco.com/t5/wireless-mobility-blogs/recovery-of-missing-8540-5520-manufacturing-installed/ba-p/3102587
and
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/troubleshooting/trb-guide-wlc-5520-8540.html

------------------------------
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.
------------------------------
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

View solution in original post

4 Replies 4

Connect console and check below guide : (WLC should have primary and backup image)

https://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/107530-backup-image-wlc.html

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If it really has no OS installed then your only option is RMA to replace the hardware. The files to install OS from blank are not publicly available.

Does the CIMC show disk installed and enabled?
You could also try updating the CIMC as per the release notes:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn810mr10.html#cimc-upgrade
See also https://community.cisco.com/t5/wireless-mobility-blogs/recovery-of-missing-8540-5520-manufacturing-installed/ba-p/3102587
and
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/troubleshooting/trb-guide-wlc-5520-8540.html

------------------------------
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.
------------------------------
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

Have you tried console into the WLC?

When you console into it, what is the WLC prompt?

Can you reload the WLC and paste the boot logs.

Jagan Chowdam

The 5520 is a UCS m2xx-series chassis with a virtual WLC firmware "on top".

The chassis can be re-used as a server if the correct type of SDD is used.

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