Introduction
This document provides guidance for customers to find the most reliable IOS-XE software for Catalyst Wireless LAN Controllers. This covers:
- Appliances (9800-40,9800-80,9800-L)
- Virtual Controller (9800-CL in private and public cloud)
- Embedded Wireless on Catalyst 9000 Series switches.
Cisco Wireless Technical Assistance Center (TAC) recommends builds from each released train of released IOS-XE software. These recommendations may be updated on a weekly basis.
TAC Recommended Builds
Gibraltar 16.12
IOS-XE 16.12 will be the first long-lived release train for 9800. It is the first release that adds support for C9800-L and the C9800-CL in Google Cloud.
TAC recommends 16.12.1s for all deployments especially those involving 11ax APs or SDA. Please refer to the Note for SDA section below for complete SDA compatibility.
Gibraltar 16.11.1
IOS-XE 16.11.1b and 16.11.1c are TAC supported releases. Support for features like mDNS, 11ax APs (9115, 9117, 9120), AP Device Pack and AP Service Pack was introduced in 16.11.1b.
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If using Cisco DNACenter with AAA override, be aware of CSCvp10830 fixed in 16.11.1c ES4, available from TAC. It is also resolved in 16.12.1s.
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If integrating 9800 with Prime Infrastructure, be aware of the Session Manager crash CSCvp30266, which is resolved in 16.12.1.
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If using 11ax APs, be aware of CSCvm68624, CSCvq26208 and CSCvq60489 resolved in 16.12.1s
Gilbraltar 16.10.1
IOS-XE 16.10.1 is the first release of software that officially supports 9800 SKUs (Appliances: 9800-40, 9800-80; 9800 on private/public cloud 9800-CL as well as 9800 software on Catalyst 9300 Switches). IOS-XE 16.10.1e is the first release to support Cisco DNA Center integration with 9800.
This is short-lived release with no MRs planned. For any deployment, TAC recommends 16.12 build.
Note for SDA
Always refer to the SDA Compatibility Matrix for code combination that works best for SDA. It lists specific combination of code on Cisco DNACenter, Identity Service Engine (ISE), switch, router and Wireless LAN Controller code that has been tested by SDA Solution Test team in Cisco.
Inter Release Controller Mobility (IRCM)
For Inter-Release Controller Mobility (IRCM) compatibility with AireOS WLCs, TAC recommends 8.8.125.0 or above. For customers who have older WLC or Access Points in their environment and cannot upgrade past 8.5, contact TAC for an "8.5 IRCM" special image for 5508/8510/5520/8540/3504, or send mail to wnbu-escalation@cisco.com.
For AireOS recommended code, please refer
https://www.cisco.com/c/en/us/support/docs/wireless/wireless-lan-controller-software/200046-tac-recommended-aireos.html
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