Cisco Cisco IOS XE 3.5E

This release note describes the features, modifications, and caveats for the Cisco IOS XE Release 3.8.xE 
software on the Catalyst 4500E series switch with Supervisor Engine 7-E, 7L-E, 8-E, and 8L-E.

Beginning with Cisco IOS XE Release 3.8.1E, Supervisor Engine 8L-E is available with ROMMON 
15.1(1r)SG6 

For the Supervisor Engine 8-E to support Cisco IOS XE Release 3.8.xE, the ROMMON version must be 
upgraded to 15.1(1r)SG5. (Refer to 

Cisco IOS XE Release 3.8.xE is a feature rich new software feature release for IOS and IOS-XE based 
Catalyst Access Switching products. This release will provide extended maintenance. 

Support for Cisco IOS XE Release 3.8.xE follows the standard Cisco Systems® support policy, available 
at

For more information on the Catalyst 4500E series switches, visit the following URL:

Although this release note and those for the Catalyst 4900M, Catalyst 4948E, Catalyst 4948E-F Series 
Switches, Catalyst 4500 Series Switches, and the Catalyst 4500-X Series Switches differ, each leverages 
the same Software Configuration Guide, Command Reference Guide, and System Message Guide.