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1. From circuit switching technology to group Switching Technology The most basic application of circuit switching is that a signal occupies one line. This physical line is occupied by this signal until the electronic switch switches to another

WAN connection has many implementation technologies, such as integrated business digital networks and point-to-point protocols. Frame Relay is undoubtedly the most ideal WAN technology for remote connection so far. Frame Relay defines the process of

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Exercise configuring vswitch remote telnet Management [Experiment topology] Lab procedure] 1. Connect the device by topology. The router only configures the interface IP address, without

I. vro settings and computer settings 1) vro settings I, see. 2) vro settings II, see: Change the WAN port address, LAN port address, and DHCP address range. Key point: the WAN port set by the router is a dynamic IP address to obtain the

With the rapid development of the Internet in recent years, the number of Internet users, application types, bandwidth needs, and so on have all experienced explosive growth. Taking China as an example, the annual growth rate of the Internet traffic

Before giving you a detailed introduction to the structured cabling system, let's first take a look at the introduction and development of the structured cabling system, and then give a comprehensive introduction to the structured concepts and

The current traditional network may not support the scalability required for large-scale server virtualization and automated configuration in the infrastructure-as-a-service model, but the new network virtual method may even be a network manager

The routing protocol analyzer is still very important in routing applications, and the technology is gradually improved. The best way to analyze data packets transmitted over the network is largely determined by the device you have at hand. In the

The differences between TCP, IP, HTTP, and SOCKET and the connection network are classified as follows: corresponding to the physical layer -- data link layer -- network layer -- IP protocol transmission layer -- TCP protocol Session Layer --

Fast subnet division method subnet division basics: subnetting advantages: 1. reduce network traffic 2. improve Network Performance 3. simplified Management 4. how to Create a subnet that is easy to expand the geographical scope: how to divide

1. IP addresses are divided into five categories based on the range of network IDs: a, B, C, D, E address Class 1 network ID last network ID number of networks A class 1.0.0.0 126.0.0.0 126B class 128.0.0.0 191.255.0.0 16384C class 192.0.0.0 223.255.

In the wireless network world, wired and wireless networks coexist, and there are also a variety of problems. For IP conflicts that often occur, let's introduce and solve them here. When wireless access points work as DHCP servers, they may cause

There are countless articles on the wireless network stability settings introduced on the network. Through these articles, we can also learn about the configuration process. So the security and stability of wireless networks. Let's make a deep

How can we improve the security performance of network transmission technology? Here we will give a detailed description of the point-to-point working mode and network identifier. What is obviously different from a wired LAN network is that a

Troubleshooting of IGRP/VPN Protocol 2 07. Why does it mean that VPN is neither a distance vector protocol nor a link status protocol? VPN is an advanced distance vector protocol. It sends and updates route information based on the neighbor router.

For networks, the current network is colorful and complex, so today we will mainly explain the problems related to the security configuration of wireless routing. We believe that security issues are also a constant concern. Let's take a look at the

Wired LAN: Ethernet classification Ethernet has gone through four generations of development: the minimum length of a standard Ethernet frame: 64 bytes. Maximum length: 1518 bytes. Addressing Ethernet uses a 6-byte physical address provided by the

Vpn Principle and Implementation-tunnel implementation theoretically reasonable ip over ssl needs some additional technical support before it can be used, you must try to re-encapsulate an ip data packet by ssl. This action cannot be performed in

Nowadays, wireless routing has become one of the essential knowledge of wireless network users. The following small series to JCG JHR-N926R wireless smart router as an example, to share with you a wireless router Wan settings and LAN

CIDR (Classless Inter Domain Routing) improves the traditional IPv4 address classification. In traditional IP Classification, IP addresses are directly mapped to the default category, thus dividing the Internet into networks. CIDR adds a subnet mask