Release Notes
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- Release Notes for the Cisco Catalyst 4500E Series Switch, Cisco IOS XE 3.11.xE 08/May/2025
- Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE 3.10.xE 15/Jul/2019
- Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE 3.9.xE 23/Nov/2017
- Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE 3.8.xE 07/Apr/2020
- Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE 3.7xE 27/Nov/2016
- Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE 3.6.xE 31/May/2019
Cisco IOS Release Notes for the Catalyst 4500 Series Switch
Cisco IOS Release Notes for the Catalyst 4500-E Series Switches
Support Documentation
Release and Compatibility