Dell PowerConnect 2708 User's Guide - Page 78

transmit information at the same time., Permits for bisynchronous communication, for example

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Broadcast Storm An excessive amount of broadcast messages simultaneously transmitted across a network by a single port. Forwarded message responses are heaped onto the network, overloading network resources or causing the network to time out. C Class of Service Class of Service (CoS). Class of Service is the 802.1p priority scheme. CoS provides a method for tagging packets with priority information. A CoS value between 0-7 is added to the Layer II header of packets, where zero is the lowest priority and seven is the highest. D DHCP Client An Internet host using DHCP to obtain configuration parameters, such as a network address. DSCP DiffServe Code Point (DSCP). DSCP provides a method of tagging IP packets with QoS priority information. Domain A group of computers and Ethernet switch modules on a network that are grouped with common rules and procedures. Duplex Mode Permits simultaneous transmissions and reception of data. There are two different types of duplex mode: • Full DuplexMode - Permits for bisynchronous communication, for example, a telephone. Two parties can transmit information at the same time. • Half DuplexMode - Permits asynchronous communication, for example, a walkie-talkie. Only one party can transmit information at a time. E Egress Ports Ports from which network traffic is transmitted. End System An end user Ethernet switch module on a network. Ethernet Ethernet is standardized as per IEEE 802.3. Ethernet is the most common implemented LAN standard. Supports data transfer rates of Mpbs, where 10, 100 or 1000 Mbps is supported. 78

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78
Broadcast Storm
An excessive amount of broadcast messages simultaneously transmitted across a network by a single port.
Forwarded message responses are heaped onto the network, overloading network resources or causing the
network to time out.
C
Class of Service
Class of Service (CoS). Class of Service is the 802.1p priority scheme. CoS provides a method for tagging packets
with priority information. A CoS value between 0-7 is added to the Layer II header of packets, where zero is the
lowest priority and seven is the highest.
D
DHCP Client
An Internet host using DHCP to obtain configuration parameters, such as a network address.
DSCP
DiffServe Code Point (DSCP). DSCP provides a method of tagging IP packets with QoS priority information.
Domain
A group of computers and Ethernet switch modules on a network that are grouped with common rules and
procedures.
Duplex Mode
Permits simultaneous transmissions and reception of data. There are two different types of duplex mode:
•
Full DuplexMode
— Permits for bisynchronous communication, for example, a telephone. Two parties can
transmit information at the same time.
•
Half DuplexMode
— Permits asynchronous communication, for example, a walkie-talkie. Only one party
can transmit information at a time.
E
Egress Ports
Ports from which network traffic is transmitted.
End System
An end user Ethernet switch module on a network.
Ethernet
Ethernet is standardized as per IEEE 802.3. Ethernet is the most common implemented LAN standard.
Supports data transfer rates of Mpbs, where 10, 100 or 1000 Mbps is supported.