Installation guide

4
Release Notes for Catalyst5000 Family Software Release4.x
OL-2306-01
Release 4.x Supervisor Engine Support Matrix
Table1 shows the supervisor engine software upgrade path to software release 4.x from previous
supervisor engine software releases.
Note In some cases, when upgrading to software release4.5(1) from release4.4(1) or earlier, a “Corrupted
nvlog area” error is generated. This error is harmless and can be safely ignored.
Note When downgrading the software on your supervisor engine, follow the upgrade path for your
supervisor engine in the reverse order.
Release 4.x Supervisor Engine Support Matrix
Catalyst5000 family switches support these supervisor engine modules in software release4.x:
• Supervisor EngineI
• Supervisor Engine II
• Supervisor Engine III
• Supervisor Engine III F
Some supervisor engine types are not supported in certain switch chassis. Table2 shows which
supervisor engine types are supported in which Catalyst5000 family switch chassis.
In addition, the supervisor engines are compatible with specific software releases. For more information,
see the “Product and Software Version Matrix” section on page6.
Table1 Catalyst 5000 Family 4.x Software Upgrade Path
Desired Upgrade Upgrade Path
2.4(3) or earlier to 4.x
Supervisor Engines I and II
Follow these steps to upgrade to 4.x:
1. Upgrade to software release2.4(5)
2. Upgrade to release3.2(4)
3. Upgrade to release 4.x.
2.4(4) through 3.2(2) to 4.x
Supervisor Engines I and II
Follow these steps to upgrade to 4.x:
1. Upgrade to release3.2(4)
2. Upgrade to release 4.x.
Supervisor Engine III
No restriction. Upgrade directly to software release 4.x.
3.2(3) or later to 4.x
All Supervisor Engines
No restriction. Upgrade directly to software release 4.x.