Cisco GigaStack WS-X3500-XL Hardware Installation Manual page 30

Minimum IOS Release for Redundant Loop Configurations
Table 1-5
Supported Switch
Modular 2900 XL switches
2950 switches
3500 XL switches
3550 multilayer switches
Note All switches in a series must run the same software version. For example, if the
stack includes only Catalyst 2900 series XL and 3500 series XL switches, they
must run Release 12.0(5)XU or later. If the stack includes a mixture of Catalyst
2900 series XL, 3500 series XL, 2950, and 3550 switches, all the 2900 XL and
3500 XL switches must run Release 12.0(5)XW or later, all the Catalyst 2950
switches must run Release 12.1(6)EA2 or later, and all the Catalyst 3550 switches
must run Release 12.1(4)EA1 or later.
For more information, see the
Link" section on page
release notes for your switch.
Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide
1-8
Minimum IOS Release for Redundant Loop Configurations
"Cascaded Stack Connections with a Redundant
2-12. For switch software upgrade information, refer to the
Minimum IOS Release
12.0(5)XU (April 2000)
12.1(6)EA2 (December 2000)
12.0(5)XU (April 2000)
12.1(4)EA1 (May 2001)
Chapter 1 Overview
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