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Cisco IOS XECatalyst 9000
Plan an upgrade of a Catalyst 9200, 9300, 9400, 9500 or 9600 from your current IOS XE release to a target, taking installed line cards into account. A standard (reload) upgrade shows the direct step, the install commands and the lifecycle checks; for dual-supervisor and StackWise Virtual systems it can also plan an ISSU, working out the hops under Cisco's ISSU matrix rules. Not sure where to land? It shows the releases Cisco recommends.
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Official Cisco resources: Recommended releases · ISSU matrix · ISSU guide · Upgrade guide (Catalyst 9500) · IOS XE 17 support & end-of-life notices · Software download
Recommended releases and end-of-support dates come from Cisco's Recommended Releases page and IOS XE support pages. ISSU rules come from Cisco's ISSU matrix and ISSU guide. Upgrade steps come from Cisco's Catalyst 9500 upgrade guide and release notes. This tool is independent and is not affiliated with or endorsed by Cisco Systems. Cisco and IOS XE are trademarks of Cisco Systems, Inc.