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What are the differences between layer-2 and layer-3 Ethernet switches and their basic types? The following are some comparisons: after reading this article, we will be able to fully understand the layer-3 Ethernet switch. Next we will talk about

[Lab environment] GNS3 (Because Packet Tracer does not support DHCP-related commands, the GNS3 Simulator Based on the cisco ios image file can also be used on a real machine) [PURPOSE] Exercise configuring the DHCP service on a Cisco router to

1. Enter the global configuration mode. Select Switch-3548> enablePassword :********Change-3548 # config tChange-3548 (config )# 2. Enable the HTTP Server of the vswitch Switch-3548 (config) # ip http server 3. Configure the Host Name Switch-

In order to ensure the national property is not lost and the safety of people's lives, in accordance with China's national standards and regulations, important occasions and key parts in intelligent buildings or intelligent residential areas are

One of the main trends of IT is to integrate the servers, storage, and data of branches into the central data center. The benefits of this integration are obvious: simplifying it management, improving data compliance, control, and reducing hardware,

If there is no port aggregation on the vswitch. Your two computers are connected with two network cables. It turns into a ring, which affects both the switch and the connected computer. Therefore, the port aggregation function is crucial for

You can easily learn about the vro configuration of Huawei 3COM. Let's take a look at the password configuration. When talking about the three major features of Huawei's IOS upgrade, we mentioned that the new version of Huawei's 3COM IOS uses users

Cracking Telecom Netcom's vro is mainly achieved by downloading shared guard, which is a method for cracking Telecom Netcom's vro. You can give it a try. It's easy to crack. Hurry into the Wireless World. Download shared guard to easily crack the

The steps for configuring the proxy router are described. Are more practical methods. Due to the rapid development of network technology, there are more and more ways for local networks in enterprises and institutions to access Internet and share

If we want to publish the update fact of a website to a website, the best way is to repost it through RSS. If you only need to make a simple prompt on the updated entries, using JavaScript is the most feasible method. However, parsing an XML

PPTP, L2TP, IPSec, SSLVPN, and other Protocols define and distinguish between VPN (Virtual Private Network). So far, it is no longer a pure encrypted access tunnel, it integrates multiple functions such as access control, transmission management,

The emergence of wireless networks has a huge impact on traditional network technologies. How should we set up wireless routes? The following articles will help you answer your questions. Previously has been to others installed are wired router,

What basic skills do some new network users or administrators have to possess for the development of wireless network technologies? What are the necessary conditions for the design of wireless networks? Wireless Network design requirement 1: Dynamic

What are the differences between IPv4 and IPv6 protocols. Consider the protocol stack (no connection trace) and connection trace respectively. Protocol Stack: host: After IPv4 is restructured, it is submitted to the transport layer. This is the same

The popularization of wireless networks has already penetrated into every corner. How can we deal with many technical problems? Here we will explain how to solve the IP address conflict problem. When wireless access points work as DHCP servers, they

I wonder if you have ever thought about this question. Do you want to ensure that your network is secure when you access the Internet? So will the network information be stolen by others? Five methods are listed in detail below. Who moved your

With the rich economy, more and more users use laptops that are easy to carry, there are more or less network security problems, but they do not know how to set up wireless networks, here is a detailed introduction. Now there are more and more units

Run the ping command to test the IPv6 connection. To obtain IPv6 configurations for the computer, open a command prompt and enter netsh interface ipv6 show interfaceInterfaceName, where InterfaceName is the name of the interface on the computer. For

Configuring squid proxy for http and rsync is too bad. In what time, the CPU is 4, and the memory is only 1.5 gb ddr. Fortunately, there is USB. It's no fun to install gentoo on a virtual machine. The CPU does not support VT-x and is 32-bit. ubuntu

The checksum Algorithm for IPv4, TCP, and UDP checksum calculation of the packet header is a 16-bit accumulated and backward code. The same verification algorithm is also used for TCP and UDP data headers, however, the data involved in the