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The Ethernet port has three link types: Access Hybrid and Trunk. An Access port can belong to only one VLAN and is generally used to connect to a computer. A Trunk port can belong to multiple VLANs and receive and send packets from multiple VLANs,

As broadband networks gradually become popular and prices keep falling, more and more families begin to enjoy the fun of broadband networks through ADSL, power networks, cable television networks, and other channels, however, children in the family

The appearance of Switch replaces the original HUB. First, let's first briefly understand the difference between a vswitch and a hub. A hub uses a bandwidth sharing method. For example, a hub is like a one-way street. The "10 m" bandwidth is used by

The day before yesterday, we introduced an H3C MSR 30-16 router to the Zhongguancun online network equipment channel. This router is suitable for enterprise users, and the MSR 30-16 router adopts a modular structure, provides a variety of optional

Currently, many organizations are switching their wide area networks or having one switch to Multi-Protocol Label Switching (MPLS), MPLS Wide Area Networks, and IP Phone/VoIP is being launched. If you manage such phone infrastructure in such

Using twisted pair wires, switches, and routers to connect the enterprise's PCs, the establishment of the enterprise network is only the first step. After all, this is only the completion of the establishment of the enterprise's network physical

As you know, a router plays an important role in a computer network and serves as a bridge between computer networks. It can not only connect different networks, but also select data transmission paths, and can block illegal access. As the core

I. Introduction Because the Internet uses the TCP traffic control mechanism, data transmission out of order will have a great impact on network performance. Although the hash function and other methods can ensure the Sequential transmission of TCP

Recently, many people are asking what the vswitch, hub, and router are, what are their functions, and what are their differences. I will give some simple answers to these questions. First, the HUB, that is, the HUB. Its function can be simply

IP route selection is a basic knowledge that Cisco network engineers must understand. In fact, IP routing is not as complicated as everyone thinks. In this article, I will use a case to help you understand the selection process of IP routing. I hope

His xkl llc company has a history of 16 years. The DXM optical transmission system developed by the company is a single cabinet device that supports a speed of up to Gbps, enterprises can use dark optical fiber cables to construct their own point-to-

The so-called CAR refers to the guaranteed access rate. the inbound and outbound traffic rates of a port or sub-port are classified according to a certain standard ceiling and different QoS priorities are defined, it can only work on IP packets and

Standard route table 1. The basic idea of road selection at the next stop The route table only specifies the next step from the router to the destination path, without knowing the complete path to the destination. 2. The standard IP route table

A port image is a method of mirroring data from one or more ports of a vswitch to one or more ports, it copies packets of the specified port and VLAN to other ports. The destination port is connected to the data monitoring device, to analyze the

We know that a wireless router has the function of a wired router, but wireless is different from wired, as described below: 1. Wireless Router compatibility settings Some computers do not support the WPA (the most secure) encryption method or

After a vro is set up, it may take a long time for you to configure the vro。. In this case, you may forget the password. What should you do? Let's take Huawei vro as an example to introduce this knowledge. 1. The Huawei router stores several

This article introduces a basic knowledge about how data packets are transmitted and exchanged in Routers. If you understand this, it will be of great help for you to configure a good network environment. I. Input Problems 1. The original interface

Currently, the IP address assignment of routers mainly includes DHCP and BOOTP, which are also the Dynamic Host Allocation Protocol. Its predecessor is BOOTP. BOOTP was originally used on a network without a disk host connection, the following

When configuring Static Routing, you can specify both the sending interface and the next hop address. which method is used depends on the actual situation. 1. ip route Configure or delete a static route. [No] ip route ip-address {mask | mask-length}

More and more routers begin to adopt modular management and upgrade. The advantage of this is that their products can be reasonably restructured according to different user needs, so that the product can play the maximum effect, in addition, the