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DoS is an acronym for
D
enial of
S
ervice. 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
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 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
Содержание NS4702-24P-4S-4X
Страница 1: ...NS4702 24P 4S 4X User Manual P N 1072829 REV 00 01 ISS 14JUL14 ...
Страница 23: ...23 Storage Temperature 10 70 degrees C Relative Humidity 5 95 non condensing ...
Страница 164: ...164 Figure 4 8 2 Multicast Flooding ...
Страница 183: ...183 Figure 4 8 14 IGMP Snooping VLAN Configuration Page Screenshot ...
Страница 189: ...189 Figure 4 8 17 MLD Snooping Groups Information Page Screenshot ...
Страница 203: ...203 Buttons Click to apply changes Click to undo any changes made locally and revert to previously saved values ...
Страница 208: ...208 Figure 4 9 6 QoS Egress Port Tag Remarking Page Screenshot ...
Страница 218: ...218 Deletes the QCE The lowest plus sign adds a new entry at the bottom of the list of QCL ...
Страница 229: ...229 Figure 4 9 18 Voice VLAN Configuration Page Screenshot ...
Страница 252: ...252 Buttons Click to apply changes Click to undo any changes made locally and revert to previously saved values ...
Страница 291: ...291 measurement is 100 ms A value of 0 ms indicates that there hasn t been round trip communication with the server yet ...
Страница 299: ...299 Figure 4 11 17 Add User Properties Screen Figure 4 11 18 Add User Properties Screen ...
Страница 336: ...336 Figure 4 14 2 LLDPMED Configuration Page Screenshot ...
Страница 357: ...357 Figure 4 15 4 VeriPHY Cable Diagnostics Page Screenshot ...
Страница 367: ...367 ...
Страница 375: ...375 Figure 4 16 10 Port Power Consumption Screenshot Buttons Click to refresh the page immediately ...
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