Stateful Switchover.pdf - Cisco Learning Home

Stateful Switchover
Feature Information for Stateful Switchover
12.0(24)S Support was added for the following line cards on the Cisco 12000 series
Internet router:
Engine 1
• 2-port OC-12/STM-4c DPT
Engine 2
• 1-port OC-48/STM-16c DPT
• 8-port OC-3/STM-1c ATM
IP Service Engine (ISE)
• 4-port OC-3c/STM-1c POS/SDH ISE
• 8-port OC-3c/STM-1c POS/SDH ISE
• 16-port OC-3c/STM-1c POS/SDH ISE
• 4-port OC-12c/STM-4c POS/SDH ISE
• 1-port OC-48c/STM-16c POS/SDH ISE
• 4-port channelized OC-12/STM-4 (DS3/E3, OC-3c/STM-1c)
POS/SDH ISE
• 1-port channelized OC-48/STM-16 (DS3/E3, OC-3c/STM-1c)
POS/SDH ISE
12.2(18)S The stateful switchover feature was integrated into Cisco IOS
Release 12.2(18)S.
12.0(26)S Support was added for the following line cards on the Cisco 12000 series
Internet router:
• 4-port OC-12c/STM-4c DPT ISE
12.2(20)S Route Processor Redundancy Plus (RPR+) and Stateful Switchover (SSO)
were introduced on the Cisco 7304 router.
12.0(28)S SSO support for the SSO - Multilink Frame Relay feature was introduced
on the Cisco 12000 series Internet router.
12.2(25)S SSO support for the Quality of Service (QoS) feature was introduced.
Stateful switchover support for the Multilink Frame Relay feature was
integrated into Cisco IOS Release 12.2(25)S.
12.2(28)SB RPR+ and SSO support for the Automatic Protection Switching (APS)
feature was introduced.
12.2(33)SRA This feature was integrated into Cisco IOS Release 12.2(33)SRA.
Stateful Switchover
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