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(1) Start the switch, press Ctrl + Break within 30 seconds, and the prompt "rommon 1>" appears (if this prompt does not appear, the switch restarts, repeat step (1 ). (2) type the following command: rommon 1> confreg 0x2142 (3) initialize the

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Do not describe the basic commands of Cisco IOS too much. Focus on learning Common Cisco IOS skills to improve the efficiency of subsequent experiments. [Experiment topology] Lab procedure] 1.

A cabling system is a network in a building or building group, and is the basis for intelligence. It not only connects speech and data communication equipment, exchange equipment and other information management systems in the building, but also

For the wan nic, we configure the IP address and mask for it, without configuring the gateway and DNS. For LAN NICs, the IP address and mask are also configured. Because it is 10 private network segments, the mask can be used by default. Then we set

With the development of China's routing industry, it also promotes the wide application of broadband routers. Here we mainly introduce how to correctly select a Broadband Router. in the online world, every Broadband Router is like a post office,

$ (Document ). ready () and window. onload is a function or action that is executed when a page is loaded, but in details $ (document ). ready () and window. onload is different. I will introduce it later. Basic Differences 1. execution time Window.

With the development of wireless technology, wireless devices are also keeping up with the trend, for enterprise users, the use of D-LINK is also increasingly mature, I believe this article will help you. With the widespread use of mobile

In the wireless network world, we are not very clear about the wireless network settings. In this article, we will explain how to prevent neighbor intrusion from prohibiting PING, illegal settings, and nic binding? When we use wireless router

For the ever-growing wireless network technology, what should we do during Home Networking? Here we will summarize some tips for your use. 1. Modify the user name and password (do not use the default user name and password) Generally, a home

In the face of the ever-growing wireless network technology, we need to pay attention to the conflict of network addresses. How can we solve the conflict of network addresses? Here is an answer for us. In order to facilitate surfing the Internet,

Sometimes, many network administrators do not know how to solve the complicated network technical problems, but if you have some knowledge about the settings, you can improve the maintenance work in the future. Many users often encounter wireless

Application of RJ45 short circuit ring on gigabit Nic1. Topic OriginFor those who often work on multiple operating systems, using Windows as the host system with Vmware Workstation is already a standard Workstation. I personally traveled back and

VPN is an extension of a private network, that is, a temporary and secure private network connection created on a private and public network (usually the Internet. Currently, VPN is mainly used in the following three aspects: First, remote user

TFTP: simple File Transfer Protocol (TFTP) (TrivialFileTransferProtocol) is the simple file transfer protocol, initially intended to guide diskless systems (typically workstation or X terminal ). Unlike the file transfer protocol (FTP) that uses TCP,

VPN technology-P, PE, CE what is P, PE, cempls vpn there are three types of routers, CE router, PE router and P router. The CE router is a client router that provides you with a connection to the PE router. The PE router is the operator's edge

Notes on data communication and network-wide area network SONET/SDHThe high bandwidth of optical fiber is suitable for carrying large amounts of data at the same time in today's high data rates and low rates. For this reason, optical fiber and the

TCP Learning Record (from TCP/IP Volume 1) tcp's TIME_WAIT status TCP requirements, first issue the FIN end, after both parties completely close the connection, the maximum message segment survival time (MSL) remains in the TIME_WAIT status until

Several Optical Fiber interfaces (ST, SC, LC, FC)I have never been very clear about Several Interfaces of optical fibers. I have seen real images on the Internet and shared them with you. The optical fiber is sometimes annoying and summarizes

Wireless Networks for Industrial Automation (WIA) is a high-reliability, ultra-low-power smart multi-hop Wireless Sensor Network Technology with independent intellectual property rights launched by the Chinese Emy of Sciences Shenyang

Cisco QoS configuration instructions (CBWFQ/LLQ/PQ/CQ/WFQ) CBWFQ class-based weighted fair queuing. Generally, the ACL is used to define the data stream category, parameters such as the injected bandwidth and queue restrictions are applied to these