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Cisco Catalyst 6500 Series Switches
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Cisco IOS Release 15.4SY
Cisco IOS Release 15.3SY
Cisco IOS Release 15.2SY
Cisco IOS Release 15.1SY
Cisco IOS Release 15.0SY and 12.2SY
ISSU Compatibility
IOS Software Release 12.2SX
Cisco TrustSec
Supervisor Engine 32 PISA
Application-Oriented Networking (AON) Module
Communication Media Module (CMM)
Content Switching Module (CSM)
Content Switching Module with SSL (CSM-S)
ASA Services Module
Multi-Processor WAN Application Module (MWAM)
Secure Sockets Layer (SSL) Services Module
Wireless LAN (WLAN) Services Module
Wireless Services Modules (WiSMs)
ROMMON Software
Release Notes for Cisco IOS Release 15.5(1)SY
17/Mar/2022
Cisco IOS Release 15.4SY
Release Notes for Cisco IOS Release 15.4(1)SY
30/Oct/2019
Cisco IOS Release 15.3SY
Release Notes for Cisco IOS Release 15.3(1)SY
30/Oct/2019
Cisco IOS Release 15.2SY
Release Notes for Cisco IOS Release 15.2(1)SY
21/Apr/2017
Release Notes for Cisco IOS Release 15.2(1)SY
29/Oct/2019
Release Notes for Cisco IOS Release 15.2(2)SY
07/Jul/2017
Cisco IOS Release 15.1SY
Release Notes for Cisco IOS Release 15.1SY
19/Feb/2020
Cisco IOS Release 15.0SY and 12.2SY
Release Notes for Cisco IOS Release 15.0SY for Supervisor Engine 2T-10GE
30/Oct/2019
Release Notes for Cisco IOS Release 12.2(50)SY and Rebuilds for Supervisor Engine 2T-10GE
28/Feb/2013
ISSU Compatibility
SX SY EFSU Compatibility Matrix
(XLSX - 45 KB)
18/Mar/2021
IOS Software Release 12.2SX
Release Notes for Cisco IOS Release 12.2SX
25/Aug/2015
Release Notes for Cisco IOS Release 12.2SXF and Rebuilds
29/Mar/2011
Cisco TrustSec
Release Notes for Cisco TrustSec General Availability Releases
28/Aug/2011
Supervisor Engine 32 PISA
Release Notes for Cisco IOS Release 12.2ZY on the Supervisor Engine 32 PISA
12/Jan/2012
Application-Oriented Networking (AON) Module
Release Notes for Application-Oriented Networking (AON) Software
Communication Media Module (CMM)
Release Notes for Catalyst 6500 Series and Cisco 7600 Series Communication Media Module Software Release 12.2(13)ZC
12/Feb/2003
Release Notes for Catalyst 6500 Series and Cisco 7600 Series Communication Media Module Software Release 12.2(13)ZP3
25/Sep/2003
Release Notes for Catalyst 6500 Series and Cisco 7600 Series Communication Media Module Software Release 12.2(2)YK1
17/Sep/2002
Release Notes for the Cisco Catalyst 6500 Series and the Cisco 7600 Series CMM for Cisco IOS Release 12.4 (Cross-Platform Release Notes)
Release Notes for the Cisco Catalyst 6500 Series and the Cisco 7600 Series CMM for Cisco IOS Release 12.3T (Cross-Platform Release Notes)
Content Switching Module (CSM)
Release Notes for Catalyst 6500 Series Content Switching Module Software Release 4.2(x)
26/Jan/2012
Release Notes for Catalyst 6500 Series Content Switching Module Software Release 3.2(3)
15/May/2011
Release Notes for Catalyst 6500 Series Content Switching Module Software Release 3.1(10)
15/May/2011
Release Notes for Catalyst 6500 Series Switch Content Switching Module (CSM) Software Release 4.1(x)
27/Feb/2009
Content Switching Module with SSL (CSM-S)
Release Notes for Catalyst 6500 Series Switch Content Switching Module with SSL (CSM-S) Software Release 2.1(x)
26/Jan/2012
Release Notes for Catalyst 6500 Series Switch Content Switching Module with SSL (CSM-S) Software Release 1.1(3)
17/Jun/2010
ASA Services Module
Release Notes for Adaptive Security Appliances (ASA)
24/Jul/2014
Multi-Processor WAN Application Module (MWAM)
Release Notes for Catalyst 6500 and Cisco 7600 Multi-Processor WAN Application Module Software
Secure Sockets Layer (SSL) Services Module
Release Notes for Catalyst 6500 Series Switch SSL Services Module Software Release 3.x
14/Nov/2010
Release Notes for Catalyst 6500 Series Switch SSL Services Module Software Release 2.x
17/Nov/2010
Release Notes for Catalyst 6500 Series Switch SSL Services Module Software Release 1.x
02/Feb/2011
Wireless LAN (WLAN) Services Module
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.5.0
17/Mar/2015
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.4.1
17/Mar/2015
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.4.0
17/Mar/2015
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.2.1
17/Mar/2015
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.1.1
17/Mar/2015
Release Notes for Catalyst 6500 Series Switch and Cisco 7600 Series Wireless LAN Services Module Software Release 2.3.1
17/Mar/2015
Wireless Services Modules (WiSMs)
Cisco 5500 Series Wireless Controllers (includes WiSM)
29/Jul/2014
ROMMON Software
Release Notes for Supervisor Engine 720 Switch Processor ROMMON
13/Jan/2010
Release Notes for MSFC3 Route Processor ROMMON
15/Jan/2010
Release Notes for 6700 Series Switching Module ROMMON
27/May/2004
Release Notes for Supervisor Engine 32 Switch Processor ROMMON
07/Jul/2006
Release Notes for Supervisor Engine 32 MSFC2A Route Processor ROMMON
28/Oct/2005
Release Notes for dCEF256 Switching Module ROMMON
21/May/2004
Release Notes for FlexWAN and OSM ROMMON
19/May/2003
Release Notes for Catalyst 6500 Supervisor Engine 2T and Catalyst 6800 Series Switches ROMMON Release Notes
25/Oct/2016
Release Notes for Catalyst 6500, Supervisor Engine 2T, Supervisor Engine 6T, Catalyst 6880, Catalyst 6840, and Catalyst 6800 Series Switches ROMMON
Release Notes for Cisco IOS Release 15.5(1)SY