About Supervisor Engine Redundancy Synchronization - Cisco Catalyst 4500 series Administration Manual

About Supervisor Engine Redundancy Synchronization

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SSO is compatible with the following list of features. However, the protocol database for these features
is not synchronized between the redundant and active supervisor engines:
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The following features are learned on the redundant supervisor engine if the SSO feature is enabled:
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About Supervisor Engine Redundancy Synchronization
During normal operation, the persistent configuration (RPR and SSO) and the running configuration
(SSO only) are synchronized by default between the two supervisor engines. In a switchover, the new
active supervisor engine uses the current configuration.
Note
These sections describe supervisor engine redundancy synchronization:
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Software Configuration Guide—Release IOS XE 3.5.0E and IOS 15.2(1)E
10-4
Chapter 10 Configuring Supervisor Engine Redundancy Using RPR and SSO on Supervisor Engine 6-E and Supervisor
IGMP snooping (versions 1 and 2)
DTP (802.1q and ISL)
MST
PVST+
Rapid-PVST
PortFast/UplinkFast/BackboneFast
BPDU guard and filtering
Voice VLAN
Port security
Unicast MAC filtering
ACL (VACLS, PACLS, RACLS)
QoS (DBL)
Multicast storm control/broadcast storm control
802.1Q tunneling with Layer 2 Protocol Tunneling (L2PT)
Baby giants
Jumbo frame support
CDP
Flood blocking
UDLD
SPAN/RSPAN
NetFlow
All Layer 3 protocols on Catalyst 4500 series switches (Switch Virtual Interfaces)
You cannot enter CLI commands on the redundant supervisor engine console.
RPR Supervisor Engine Configuration Synchronization, page 10-5
SSO Supervisor Engine Configuration Synchronization, page 10-5
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