Installation guide

5
Release Notes for Catalyst5000 Family Software Release4.x
OL-2306-01
Supervisor Engine Redundancy
Supervisor Engine Redundancy
You can install redundant supervisor engines in your switch if the following conditions are met:
• The switch must be a Catalyst 5500 series switch.
• The supervisor engines must be Supervisor Engine II, III, or IIIF in the following configurations:
– Two Supervisor Engine IIs
– Two Supervisor Engine IIIs with EARL 1
– Two Supervisor Engine IIIs with the NFFC
– Two Supervisor Engine IIIs with the NFFC II
– Two Supervisor Engine III Fs with EARL 1
– Two Supervisor Engine III Fs with NFFC
– Two Supervisor Engine III Fs with NFFC II
The following redundant configurations are supported, but with the caveat that MLS is not supported for
traffic on the standby supervisor engine ports when the supervisor engine in standby mode has the NFFC
or NFFCII. MLS is supported for traffic on the standby supervisor engine ports when the supervisor
engine in standby mode has the NFFC-A or NFFCII-A.
• Supervisor Engine III with NFFC and Supervisor Engine III with NFFC-A
• Supervisor Engine III with NFFC II and Supervisor Engine III with NFFC II-A
• Supervisor Engine III F with NFFC and Supervisor Engine III F with NFFC-A
• Supervisor Engine III F with NFFC II and Supervisor Engine III F with NFFC II-A
For more information on configuring supervisor engines for redundant operation, refer to the Software
Configuration Guide for your switch.
Table2 Supervisor Engine Matrix
Switch
Supervisor
EngineI
Supervisor
EngineII
Supervisor
EngineIII
Supervisor
EngineIII F
Catalyst2900 Fixed N/A N/A N/A
Catalyst2926 N/A Fixed N/A N/A
Catalyst2926G N/A N/A Fixed N/A
Catalyst5002 Yes Yes No No
Catalyst5002 with
PFC
1
1. PFC=power factor correction
Yes Yes Yes Yes
Catalyst5000 Yes Yes Yes Yes
Catalyst5505 No Yes Yes Yes
Catalyst5509 No Yes Yes Yes
Catalyst5500 No Yes Yes Yes