The 3.11.xE release train brings several improvements to the Catalyst 4500E platform:
On the 4500E chassis, this image supports and Non-Stop Forwarding (NSF) . If you have dual Supervisors, this software ensures that if the primary fails, the secondary takes over without dropping active data sessions. 3. Enhanced Security cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin
If running in VSS mode, ensure your config-register and boot variables are synchronized across both active and standby modules to avoid boot loops or split-brain scenarios. cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin
