Cisco VPN :: Configuring Stateful Failover Between Two 3845 Routers?

Aug 6, 2012

I have an issue with configuring the VPN Stateful failover between two cisco routers 3845. The stateful HA is not up.
  
Below is the topology
 
Configuration on HA-1
interface GigabitEthernet0/0
  ip address 194.170.9.183 255.255.255.240
ip accounting output-packets
duplex auto
speed auto

[code]....

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e.g.
 
(config)# redundancy inter-device
^
% Invalid input detected at '^' marker.

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[Code]......

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[code]...

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