beautypg.com

Interlogix NS3702-24P-4S User Manual User Manual

Page 390

background image

390

DoS is an acronym for Denial of Service. In a denial-of-service (DoS) attack, an attacker attempts to prevent legitimate

users from accessing information or services. By targeting at network sites or network connection, an attacker may be able

to prevent network users from accessing email, web sites, online accounts (banking, etc.), or other services that rely on the

affected computer.

Dotted Decimal Notation

Dotted Decimal Notation refers to a method of writing IP addresses using decimal numbers and dots as separators

between octets.

An IPv4 dotted decimal address has the form x.y.z.w, where x, y, z, and w are decimal numbers between 0 and 255.

DSCP

DSCP is an acronym for Differentiated Services Code Point. It is a field in the header of IP packets for packet classification

purposes.

E

EEE

EEE is an abbreviation for Energy Efficient Ethernet defined in IEEE 802.3az.

EPS

EPS is an abbreviation for Ethernet Protection Switching defined in ITU/T G.8031.

Ethernet Type

Ethernet Type, or EtherType, is a field in the Ethernet MAC header, defined by the Ethernet networking standard. It is used

to indicate which protocol is being transported in an Ethernet frame.

F

FTP

FTP is an acronym for File Transfer Protocol. It is a transfer protocol that uses the Transmission Control Protocol (TCP)

and provides file writing and reading. It also provides directory service and security features.

Fast Leave

IGMP snooping Fast Leave processing allows the switch to remove an interface from the forwarding-table entry without first

sending out group specific queries to the interface. The VLAN interface is pruned from the multicast tree for the multicast

group specified in the original leave message. Fast-leave processing ensures optimal bandwidth management for all hosts

on a switched network, even when multiple multicast groups are in use simultaneously.

H