Support for Python scripting and OpenFlow for SDN (Software-Defined Networking) environments. ⚠️ Pre-Deployment Checklist
Some users on the Cisco Community forums have reported issues where standby switches continue to reboot even after updating to this specific version, suggesting it may not resolve all supervisor-engine-related reload bugs in every environment. cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin
: Allows two physical switches to be managed as a single logical entity, providing simplified management and sub-second failover. In-Service Software Upgrade (ISSU) Support for Python scripting and OpenFlow for SDN
# Pre-upgrade checks show version show bootflash: show license In-Service Software Upgrade (ISSU) # Pre-upgrade checks show
| Current Version | Recommended Version | Reason | | :--- | :--- | :--- | | 03.11.05.e.152-7.e5 | cat4500e-universalk9.SPA.03.11.11.E.152-7.E11.bin | Fixes several Layer 2 and security bugs. | | 03.11.05.e.152-7.e5 | cat4500e-universalk9.SPA.16.12.10.EDF.bin | Requires hardware compatibility check. Provides long-term security fixes. |