Cisco Cisco IOS Software Releases 12.2 MC Livre blanc
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Cisco IOS Release 12.2(11)YX, 12.2(11)YX1, 12.2(14)SU, 12.2(14)SU1, and 12.2(14)SU2
IPSec Stateful Failover (VPN High Availability)
Feature History
This document describes IPSec Stateful Failover (VPN High Availability) in Cisco IOS
Release 12.2(14)SU2, 12.2(14)SU1, 12.2(14)SU, 12.2(11)YX1, and 12.2(11)YX, and contains the
following sections:
Release 12.2(14)SU2, 12.2(14)SU1, 12.2(14)SU, 12.2(11)YX1, and 12.2(11)YX, and contains the
following sections:
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Feature Overview
IPSec Stateful Failover (VPN High Availability) is a feature that enables a router to continue processing
and forwarding packets after a planned or unplanned outage. You can employ a backup (standby) router
that automatically takes over the primary (active) router's tasks in the event of an active router failure.
The process is transparent to users and to remote IPSec peers. The time that it takes for the standby router
to take over depends on HSRP timers.
and forwarding packets after a planned or unplanned outage. You can employ a backup (standby) router
that automatically takes over the primary (active) router's tasks in the event of an active router failure.
The process is transparent to users and to remote IPSec peers. The time that it takes for the standby router
to take over depends on HSRP timers.
Release
Modification
12.2(11)YX
This feature was introduced.
12.2(11)YX1
This feature was integrated into Cisco IOS Release 12.2(11)YX1.
12.2(14)SU
This feature was integrated into Cisco IOS Release 12.2(14)SU.
12.2(14)SU1
This feature was integrated into Cisco IOS Release 12.2(14)SU1.
12.2(14)SU2
This feature was integrated into Cisco IOS Release 12.2(14)SU2.