Planet GS-5220 Series, User Manual, Page: 550 / 568

User’s Manual of GS-5220 LCD Series
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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 D ifferentiated S ervices C ode P oint. 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 F ile T ransfer P rotocol. 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