Dell PowerEdge VRTX - Manual (Page 25)

Features 25
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LLDP Media Endpoint Discovery (LLDP-MED) increases network flexibility
by enabling various IP systems to co-exist on a single network LLDP. It
provides detailed network topology information, emergency call service via IP
phone location information, and troubleshooting information.
For more information, see "LLDP" on page 363.
Security Features
SSL
Secure Socket Layer (SSL) is an application-level protocol that enables secure
transactions of data through privacy, authentication, and data integrity. It
relies upon certificates and public and private keys.
Port-Based Authentication (Dot1x)
Port-based authentication enables authenticating system users on a per-port
basis via an external server. Only authenticated and approved system users
can transmit and receive data. Ports are authenticated via the Remote
Authentication Dial-In User Service (RADIUS) server using the Extensible
Authentication Protocol (EAP). Dynamic VLAN Assignment (DVA) enables
network administrators to automatically assign users to VLANs during the
RADIUS server authentication.
For more information, see "Dot1x Authentication" on page 259.
Locked Port Support
Locked Port increases network security by limiting access on a specific port to
users with specific MAC addresses. These addresses are either manually
defined or learned on that port. When a frame is seen on a locked port, and
the frame source MAC address is not tied to that port, the protection
mechanism is invoked.
For more information, see "Port Security" on page 234.
RADIUS Client
RADIUS is a client/server-based protocol. A RADIUS server maintains a user
database that contains per-user authentication information, such as user
name, password, and accounting information.