Configuring 802.1x & IBNS

Before a port enters an authorized state, 802.1X allows only Extensible Authentication Protocol over LAN (EAPOL), Cisco Discovery Protocol (CDP), and Spanning Tree Protocol (STP) packets to traverse the port. Configuring 802.1X port authentication is supported on Layer 2 static access ports, voice VLAN–enabled ports, and Layer 3 routed ports. It is not supported on …

Continue reading ‘Configuring 802.1x & IBNS’ »

Identity-Based Networking Service (IBNS) and IEEE 802.1x

IEEE 802.1x Overview It is a data link layer (Layer 2) protocol designed to provide port-based network access control using authentication unique to a device or user in Ethernet or WLAN. This service is called port-level authentication. Cisco IBNS is an IEEE 802.1x-based technology solution that increases network security by authenticating users based on personal …

Continue reading ‘Identity-Based Networking Service (IBNS) and IEEE 802.1x’ »