Tp-Link TL-SG2424 [128/130] Appendix c glossary
Appendix C: Glossary
Boot Protocol (BOOTP)
BOOTP is used to provide bootup information for network devices, including IP address
information, the address of the TFTP server that contains the devices system files, and the name
of the boot file.
Class of Service (CoS)
CoS is supported by prioritizing packets based on the required level of service, and then placing
them in the appropriate output queue. Data is transmitted from the queues using weighted
round-robin service to enforce priority service and prevent blockage of lower-level queues. Priority
may be set according to the port default, the packet’s priority bit (in the VLAN tag), TCP/UDP port
number, or DSCP priority bit.
Differentiated Services Code Point (DSCP)
DSCP uses a six-bit tag to provide for up to 64 different forwarding behaviors. Based on network
policies, different kinds of traffic can be marked for different kinds of forwarding. The DSCP bits
are mapped to the Class of Service categories, and then into the output queues.
Domain Name Service (DNS)
A system used for translating host names for network nodes into IP addresses.
Dynamic Host Control Protocol (DHCP)
Provides a framework for passing configuration information to hosts on a TCP/IP network. DHCP
is based on the Bootstrap Protocol (BOOTP), adding the capability of automatic allocation of
reusable network addresses and additional configuration options..
IEEE 802.1D
Specifies a general method for the operation of MAC bridges, including the Spanning Tree
Protocol.
IEEE 802.1Q
VLAN Tagging—Defines Ethernet frame tags which carry VLAN information. It allows switches to
assign endstations to different virtual LANs, and defines a standard way for VLANs to
communicate across switched networks.
IEEE 802.1p
An IEEE standard for providing quality of service (QoS) in Ethernet networks. The standard uses
packet tags that define up to eight traffic classes and allows switches to transmit packets based on
the tagged priority value.
IEEE 802.3ac
Defines frame extensions for VLAN tagging.
IEEE 802.3x
Defines Ethernet frame start/stop requests and timers used for flow control on full-duplex links.
(Now incorporated in IEEE 802.3-2002)
Internet Group Management Protocol (IGMP)
A protocol through which hosts can register with their local router for multicast services. If there is
more than one multicast switch/router on a given subnetwork, one of the devices is made the
121
Содержание
- Gigabit smart switch 1
- Tl sg2216 tl sg2424 1
- Ce mark warning 2
- Copyright trademarks 2
- Fcc statement 2
- Safety notices 2
- Package contents 8
- Chapter 1 about this guide 9
- Conventions 9
- Intended readers 9
- Overview of this guide 9
- Appearance description 12
- Chapter 2 introduction 12
- Front panel 12
- Main features 12
- Overview of the switch 12
- Rear panel 13
- Chapter 3 login to the switch 15
- Configuration 15
- Chapter 4 system 17
- System info 17
- System summary 17
- Device description 19
- System time 19
- Daylight saving time 20
- System ip 21
- User manage 22
- User table 22
- User config 23
- Config restore 24
- System tools 24
- Config backup 25
- Firmware upgrade 25
- System reboot 26
- System reset 26
- Access control 27
- Access security 27
- Chapter 5 switching 29
- Port config 29
- Port mirror 30
- The following entries are displayed on this screen 31
- Port security 32
- Port isolation 34
- Lag table 35
- Static lag 36
- Traffic monitor 37
- Traffic summary 37
- Traffic statistics 39
- Mac address 40
- Address table 41
- Static address 42
- Dynamic address 43
- Filtering address 45
- Chapter 6 vlan 47
- Q vlan 48
- Vlan config 50
- Port config 52
- Configuration procedure 53
- Application example for 802 q vlan 54
- Chapter 7 spanning tree 56
- Stp config 61
- Port config 63
- Stp summary 63
- Mstp instance 65
- Region config 65
- Instance config 66
- Instance port config 67
- Global configuration procedure for spanning tree function 69
- Port protect 69
- Stp security 69
- Application example for stp function 72
- Tc protect 72
- Chapter 8 multicast 76
- Igmp snooping 78
- Snooping config 79
- Port config 80
- Vlan config 81
- Configuration procedure 83
- Multicast vlan 83
- Application example for multicast vlan 85
- Configuration procedure 85
- Multicast filter 86
- Ip range 87
- Port filter 87
- Configuration procedure 89
- Packet statistics 89
- Chapter 9 qos 91
- Diffserv 94
- Port priority 94
- Configuration procedure 95
- Schedule mode 95
- Configuration procedure 96
- Dscp priority 96
- P priority 96
- Configuration procedure 97
- Bandwidth control 98
- Rate limit 98
- Storm control 99
- Chapter 10 snmp 101
- Global config 103
- Snmp config 103
- Snmp group 104
- Snmp view 104
- Snmp user 106
- Snmp community 107
- Configuration procedure 109
- Notification 110
- History control 112
- Alarm config 113
- Event config 113
- Chapter 11 maintenance 116
- Cpu monitor 116
- System monitor 116
- Memory monitor 117
- Log table 118
- Local log 119
- Remote log 119
- Backup log 120
- Cable test 121
- Device diagnose 121
- Loopback 122
- Network diagnose 122
- Tracert 123
- Appendix a specifications 125
- Appendix b configuring the pcs 126
- Appendix c glossary 128
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