Catalyst 6000 Family Multilayer Switches

• Release Notes for Cisco IOS Release 12.1 E on the Catalyst 6500 MSFC
  For Cisco IOS Release 12.1(26)E3 and all earlier 12.1 E releases

Release Notes for Cisco IOS on the Supervisor Engine and MSFC

• Release Notes for Cisco IOS Release 12.1 E on the Catalyst 6000 and Cisco 7600 Supervisor Engine and MSFC
  For Cisco IOS Release 12.1(26)E3 and all earlier 12.1 E releases