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One old device Cisco 1841 router re-use, forgot the Enable password

Tag: Register BRE router exists reload conf device star RAMClear the password for the Cisco 1841 router:(1) The console line connects the computer and the router console port, through the terminal client connection, the router is powered on (if the device is started, press the power button, restart the

Router Development (ii)--How routers work

When information needs to be transferred between two networks, the interconnection device of common routers is responsible for the transmission of data. The main work of the router is: The decision of the path and the forwarding of the packet (from the router an interface input, and then select the appropriate interface output); Maintenance path by the table.The way the

What if the Tp-link router can't connect to the Internet?

Tp-link routers cannot connect to the Internet a workaround Tp-link wireless router, model "tl-wr841n", can be used yesterday, whether it is wireless or local connection. Today is suddenly unavailable, wireless and local are dead, the display cannot connect to the Internet. Reset key pressed over, reboot, and even restore factory reset. Not yet. Angry half to death. What the hell is going on here? (Also, the wireless

How to solve the problem of wireless router's inability to surf the internet

1. No line by automatic dialing failure When using a wireless router for broadband dial-up access, we may often encounter the device can not automatically dial the strange phenomenon, when we encounter this phenomenon, we can from the following aspects to check: first of all to confirm the use of their own wireless router is the local telecommunications Department of the network license, If the device does

How to prevent a router from being hijacked by personal collation

Original article: Grassroots Maintenance-Router network On the Internet to see how to prevent the problem of hijacked routers is very good, it is true that we use the router at the same time should be prevented from being hijacked to protect our privacy and property security. Today, I share my personal experience of preventing routers from being hijacked. A, hidden wireless signal name (SSID number) so th

Answer questions: unlock the mystery of a wireless router strike

In the days when wired networks are everywhere, the "figure" of the wireless LAN is approaching us, and there is a great way to work together with wired networks. Considering that the current wireless LAN networks are all made up of wireless routers, the efficient access to the wireless LAN is closely related to the status of the wireless router. Unfortunately, after a long period of work, the Wireless Router

How do I configure the WDS function of a wireless router?

Brother Dai has set up a new group company. His office is located in an office building in Qingcheng. Because the building is newly renovated, he cannot adopt a clear line pattern of holes and slots, it cannot be deployed in a dark line. The initial assumption is that the general manager's office, the personnel department, the marketing department, and the finance department are equipped with desktops, laptops, and wired and wireless Internet access. Let me talk about my configuration ideas. Con

How to set up Tplink router fiber

tplink Router Optical fiber Setup Method First, fiber optic cable, computer, wireless router connection method Fibre-optic cable because there is no cat, you need to connect directly to the router, and you need to connect to a special WAN port on the wireless router, and there are four other core LAN ports that users

Cisco router boot process and password reset

One, the internal components of the Cisco routerIn order to configure, Cisco Internetwork and troubleshoot, we must first understand the major components of the Cisco routers and understand these componentsThe respective function.Table 7-1 gives a description of the major components of the Cisco router. The micro-code that the bootstrapper stores in ROM, the main function is to start it when the router

Summary of common Broadband router setup methods

Http://tech.china.com/zh_cn/netschool/net/experience/684/20061230/13849743.html This article takes the di-740p model of broadband router D-link, the default management address is 192.168.0.1, and the management port is 8080.Set the IP address and router management address of a computer to the same network segment, such as 192.168.0.2, open the browser of 192.168.0.2 computer, enter "http://192.168.0.1:8080"

Understanding the importance of router backup technology

Generally speaking, the router is establishes the LAN and the WAN Connection bridge, but at present the backup router's application is very widespread, simultaneously its function also more prominent. Cisco routers have a variety of backup technologies, today I will introduce the router's own backup technology and line backup technology. First, the router backup technology The router's own backup technolo

Route Optimization Master Network engineer should master the 50 router knowledge points

update from an adjacent site within 9 0 seconds, it does not consider the neighboring site unreachable. Every 30 seconds, the distance vector routing protocol will send the entire routing table to the neighboring site, so that the routing table of the neighboring site is updated. In this way, it can collect a list of networks from other sites (directly connected or otherwise) to make routing choices. The distance vector routing protocol uses the hop count as a measure to calculate the number of

Cisco router security configuration command

Which command standard do you want Cisco to use on each vro? Each administrator configures the commands of each vro correctly. The ten commands in this article are what I think you should configure on each vro, with no special order. 1. configure a Logon account on the vro I strongly recommend that you configure a real user name and password account on the vro and vswitch. This means that you need a user and a password to gain access. In addition, we recommend that you use a secret password for

Cisco router basic configuration command

I,1. router (config) # router rip starts the rip Process2. router (conifg-router) # network 172.17.0.0 specifies the master network of the rip Protocol3. router (config-router) # passive-interface f0/1 configure f0/1 to passive Po

What if the wireless router does not surf the Internet?

What if the wireless router does not surf the Internet? First of all, of course, plug in the power cord, next is the network cable to connect the hardware equipment. The blue RJ45 interface in the figure is a WAN (usually only 1) connected to the ADSL modem via a network cable, while the four yellow RJ45 interfaces are LAN ports (usually 2-4), which are connected to a computer or notebook via a network cable. Now that the power is turned on and the

Multiple wireless router bridging methods

With the increasing popularity of wireless (WiFi) technology, companies or families can access wireless network equipment (PCs, smartphones, tablets, etc.) more and more, so encountered wireless router signal after the wall attenuation of serious problems of the increasing number of people. The most common solution is the wireless bridging (interconnection) of multiple routers to extend the coverage of the wireless signal, equivalent to the relay dur

How does the Fibonacci K2 router brush machine?

   How does the Fibonacci K2 router brush machine? (This tutorial also applies to K1, K1s models). Briefly, brush machine is divided into two parts, the first is to brush into the breed Web console, which allows you to change the different firmware at will, the second is on this basis to brush your favorite version of the firmware. This paper takes ASUS Padavan firmware as an example to explain how to brush the firmware. The method is a

How do I tell if a router is a hardware failure?

For a router failure may be a software error or the hardware is bad, then how can we determine whether the hardware failure, please refer to the following article, I hope to help you. These problems will cause the router to not work properly, the solution to the physical failure, the user can from the router device or Network Center ping command to check line co

How does a router PPPoE dial fail

Previously bought router products, router products are tp-link wr840n, but now buy back after their own will not set up to be connected to the network, always appear router PPPoE dial-up failed, do not know what is the reason. But the direct use of the cat to connect to the computer is no problem, a connection to the router

The processing method of the wireless router's frequent drop line

Friends home with a 54M home wireless router, the previous only a machine has never seen the phenomenon, since the recent hot weather, and added a notebook after the frequent drop line, I have encountered similar situation? What's the problem? As a home user, the problem of Cuteroy is quite universal, home wireless router in normal use for a period of time, always inexplicable appearance of goods but dropp

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