MindMap Gallery computer local area network
Summary of computer local area network knowledge, including LAN overview, main LAN technologies, traditional Ethernet technology, commonly used LAN equipment, new LAN technologies, modern Ethernet, etc.
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This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
computer local area network
LAN overview
LAN features
Transmission distance
transfer speed
Signal type
Transmission medium
Investment scale
Technology type
Introduction to IEEE 802
LAN hierarchy
IEEE 802 series of standards
LAN system components
physical layer
data link layer
Network layer
transport layer
Application layer
Main technologies of LAN
Three major elements of LAN
Topology
Transmission medium
Medium/channel access control methods
Target
Implement channel multiplexing
Improve line utilization efficiency
Reduce transmission delay
Improve network throughput
Classification of channel multiplexing
frequency division
hour and minute
fixed allocation
variable allocation
Controlled distribution
Centralized control
distributed control
Randomly assigned
code points
Mainstream media access control methods
802.3 CDMA/CD Ethernet
802.4 Token Bus token bus network
802.5 Token Ring token ring network
Traditional Ethernet technology
A brief history of the development of Ethernet
The "frame" structure of Ethernet
Ethernet physical layer standard naming rules
Traditional Ethernet technology
Commonly used LAN devices
LAN new technology
VLAN technology
Basic concepts of VLAN
VLAN standard--IEEE802.1Q
VLAN division method
Physical layer--switch port
Data link layer--MAC address
Network layer--IP address
High layer—multicast, port number, etc.
Based on strategy - combination of conditions
Advantages of dividing VLAN
Isolate broadcast domains and control broadcast storms
Enhance network security
Simplify network management
WLAN technology
Introduction to WLAN
WLAN series standards (Wi-Fi Alliance)
WiFi 1
Wi-Fi 2
Wi-Fi 3
Wi-Fi 4
WiFi 5
WiFi 6
The composition of WLAN
Wireless controller AC
Wireless access point AP
5 networking modes of WLAN
Modern Ethernet
High-speed LAN technology
Several Strategies for Improving LAN Performance
Improve network transmission bandwidth
separate conflict domains
Change shared network to switched network
Fast Ethernet Physical Layer Specification
Gigabit Ethernet Physical Layer Specification
GE physical layer transmission distance comparison chart
10 GE physical layer specifications
40/100 GE physical layer specifications
Switching Ethernet Technology
Limitations of Shared Ethernet
How Bridge works
Bridge internal structure
Use Bridge to isolate conflict domains
Bridge does not change the sending and receiving addresses of Frame
transparent bridge
Suppress circular broadcast--using Spanning Tree algorithm
L2 SwitchLayer 2 switch
Three forwarding methods of switches
store-and-forward
Cut-in method
Improve entry method
L3 switching technology
Applications and shortcomings of L3 switching technology