D-Link DES-3228PA Installation Guide - Page 234
DES-3228PA Features, Feature, Description
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DES-3228PA Embedded Web System User Guide DES-3228PA Features This appendix describes the device features. The system supports the following features: Feature Auto Negotiation Automatic MAC Addresses Aging Back Pressure Class Of Service Command Line Interface Configuration File Management DHCP Clients Description Auto negotiation allows an device to advertise modes of operation. The auto negotiation function provides the means to exchange information between two devices that share a point-topoint link segment, and to automatically configure both devices to take maximum advantage of their transmission capabilities. Auto negotiation provides port advertisement. Port advertisement allows the system administrator to configure the port speeds advertised. MAC addresses from which no traffic is received for a given period are aged out. This prevents the Bridging Table from overflowing. On half-duplex links, the receiving port prevents buffer overflows by occupying the link so that it is unavailable for additional traffic. The IEEE 802.1p signaling technique is an OSI Layer 2 standard for marking and prioritizing network traffic at the data link/MAC sub-layer. 802.1p traffic is classified and sent to the destination. No bandwidth reservations or limits are established or enforced. 802.1p is a spin-off of the 802.1Q (VLANs) standard. 802.1p establishes eight levels of priority, similar to the IP Precedence IP Header bit-field. Command Line Interface (CLI) syntax and semantics conform as much as possible to common industry practice. Syslog Syslog is a protocol that enables event notifications to be sent to a set of remote servers, where they can be stored, examined and acted upon. The system sends notifications of significant events in real time, and keeps a record of these events for after-the-fact usage. The device configuration is stored in a configuration file. The Configuration file includes both system wide and port specific device configuration. The system can display configuration files in the form of a collection of CLI commands, which are stored and manipulated as text files. Dynamic Host Client Protocol. DHCP enables additional setup parameters to be received from a network server upon system startup. DHCP service is an on-going process. Page 231