CCIE Security - ASA - Lab 4 Cisco ASA Transparent Mode

Cisco ASA Transparent Mode operates as a stealth firewall, enabling security enforcement without modifying IP addressing or routing. Unlike the traditional routed mode, which acts as a layer 3 hop, transparent mode functions at Layer 2, passing traffic between interfaces like a bridge while still applying security policies such as ACLs, NAT, and inspection. This mode is ideal for environments where minimal network changes are required, such as data center firewalls, inline security appliances, or legacy networks.

With low latency and easy deployment, Cisco ASA Transparent Mode provides robust security while maintaining seamless network operations.

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