Features
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D E L L CO N F I D E N T I A L – P R E L I M I N A RY 8 / 9 / 16 - F O R P RO O F O N L Y
802.1ab (LLDP-MED)
The Link Layer Discovery Protocol (LLDP) enables network managers to
troubleshoot, and enhances network management by discovering and
maintaining network topologies over multi-vendor environments. LLDP
allows a device to identify itself and advertise its capabilities and device
information to its neighbors.
Identity, capabilities, and device information are sent as Type Length Values
(TLVs) in LLDP packets. LLDP devices must support chassis and port ID
advertisement, as well as system name, system ID, system description, and
system capability advertisements.
LLDP Media Endpoint Discovery (LLDP-MED) is an extension of LLDP. It
increases flexibility in supporting media applications/devices of different
policy and QoS in the same network. With LLDP-MED, media endpoints,
such as IP phones and video camera, can advertise information, such as their
identity, civic locations, Emergency Location Identifier Number (ELIN),
media (voice and video) applications, and network policies to their neighbors.
For more information, see
Network Administration: Link Layer Discovery
Security Features
Dot1x and MAC based Authentication
Dot1x and MAC based authentication enables authenticating system users
on a per-port or per-device basis. Only users from authenticated ports and
devices are granted network access to transmit and receive data.
Authentication is enforced 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
