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2-2
Integrated Services Adapter and Integrated Services Module Installation and Configuration
OL-3575-01 B0
Chapter 2 Preparing for Installation
Software and Hardware Requirements and Compatibility
Note The Cisco IOS Release 12.1 Mainline does not support the ISA/ISM.
Software Compatibility
To check the minimum software requirements of Cisco IOS software with the hardware installed on your
router, Cisco maintains the Software Advisor tool on Cisco.com. Registered Cisco Direct users can
access the Software Advisor at:http://www.cisco.com/cgi-bin/Support/CompNav/Index.pl. This tool does
not verify whether modules within a system are compatible, but it does provide the minimum Cisco IOS
software requirements for individual hardware modules or components.
Note Access to this tool is limited to users with Cisco.com login accounts.
Interoperability Between ISA/ISM and VAM
Note The Cisco 7100 series routers support ISM and the SA-VAM; the Cisco 7200 series routers support ISA
and SA-VAM; and the Cisco 7200 series routers support two ISAs in the same chassis.
Table 2-2 describes the interoperability between ISA and VAM. You can use ISA with VAM, provided
you observe the following conditions:
• The system supports two ISAs in the same Cisco7200 series router chassis. If one ISA is enabled at
system bootup, and a second ISA is added later, the second ISA becomes active immediately, and
depending on the configuration, the system attempts to load-balance between the two ISAs.
• If ISA and VAM are in the chassis at system bootup, the Cisco 7200 series router supports the newer
version, in this case, VAM, provided the Cisco IOS Release supports VAM; and the ISA remains
inactive.
Table 2-1 Minimum Cisco IOS Software Releases
Platform Recommended Minimum Cisco IOS Release
Cisco 7100 series
•
Cisco 7120 series and
Cisco 7140 series
Cisco IOS Release 12.0(5)XE or a later release of Cisco IOS Release 12.0 XE
Cisco IOS Release 12.1(1)E or a later release of Cisco IOS Release 12.1 E
Cisco IOS Release 12.2(2)T or later release of Cisco IOS Release 12.1T
Cisco IOS Release 12.2M or later release of Cisco Release 12.2M.
Cisco 7200 series (for ISA only)
•
Cisco 7202, Cisco 7204, and
Cisco 7206
Cisco IOS Release 12.0(5)XE or a later release of Cisco IOS Release 12.0 XE
Cisco IOS Release 12.1(1)E or a later release of Cisco IOS Release 12.1 E
Cisco IOS Release 12.2(2)T or a later release of Cisco IOS Release 12.1 T
Cisco IOS Release 12.2M or a later release of Cisco IOS Release 12.2M
Cisco IOS Release 12.2(4)B or a later release of Cisco IOS Release 12.2 B