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How to configure an ASA with asymmetric routing

Resolution

Issue the asr-group command in order to configure an Adaptive Security Appliance (ASA) with asymmetric routing for load balancing.

The asr-group command causes incoming packets to be re-classified with the interface of the same Asymmetric Routing Group (asr-group), if a flow with the incoming interface cannot be found. If re-classification finds a flow with another interface, and the associated context is in standby state, the packet is forwarded to the active unit for processing.

Note:

  1. Stateful failover must be enabled in order for this command to take effect.

  2. The asr-group command is only available in conjunction with the active-active failover feature, which requires two ASA devices.

Refer to the Configuring Asymmetric Routing Support section of Configuring Failover for more information.

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Last update:
‎06-17-2009 10:16 PM
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