A default route is a gateway of last resort, when no other more specific route exists in the routing table. It is configured with 0.0.0.0/0 representing the network address and the use of a valid Layer 3 next hop address.
You can define a maximum of three default routes in the same security domain. If multiple default routes exist, the traffic is distributed based on the specified gateways.
To configure a default route, enter the following command:
hostname(config)# route if_name 0.0.0.0 0.0.0.0 gateway_ip [distance]
NOTE The default route used in the FWSM in transparent mode is for the management traffic only.
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