Cisco NAS Operating Modes

In-Band Server Modes

OOB Server Modes

Real-IP gateway

OOB real-IP gateway

Virtual gateway

OOB virtual gateway

© 2007 Cisco Systems, Inc. All rights reserved. CANAC v2.1—1-12

There are two in-band operating modes:

■ Real-IP gateway: Operates as the default gateway for the untrusted network

■ Virtual gateway: Operates as a Layer 2 transparent bridge

The out-of-band server types appear in the drop-down menu when you apply an out-of-band-enabled (switch management) license to a Cisco NAC Appliance deployment.

There are two out-of-band operating modes:

■ Out-of-band real-IP gateway: Operates as a real-IP gateway while traffic is in-band for authentication and certification

■ Out-of-band virtual gateway: Operates as a virtual gateway while traffic is in-band for authentication and certification

Caution The Cisco NAS can be deployed as a NAT gateway operating as an IP gateway and providing NAT services for the untrusted network. However, a Cisco NAS NAT deployment is only recommended for student labs and demonstrations.

© 2007 Cisco Systems, Inc. Cisco NAC Endpoint Security Solutions 1-51

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