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
Lab Environment:650) this.width=650; "alt=" Cisco Packer Trace three layer switch + router sharing internet-Ibm.chick-mingkang.zhou "src=" http://img2.ph.126.net/Dz -huesti3hye1avbt8nsa==/2835578915401090952.png "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the three layer switch divides three VLANs, is Vlan2\vnal3\vlan4, and the VLAN IP is set to: 192.168.2.1, 192.168.3.1, 192.168.4.1 respectively.2, on the three
For everyone in the process of using the router encountered problems, small series I think it is necessary to popularize some of the router's small knowledge, I believe that as long as you carefully read, you will suddenly see the internet is no longer difficult!!
One, WAN Port no connection
Two, the WAN Port has the connection, but the connection failed.
Third, broadband normal, you can ping, but unable to open the Web page
Wireless c
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
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"
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
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
The network bridge can connect two different physical local area networks, it is a kind of storage and forwarding device that realizes LAN interconnection in the link layer. The Network Bridge receives the MAC frame from a local area network, after unpacking, proofreading, verifies, presses another LAN's format to reassemble, sends to its physical layer.
With the development of wireless network, more and more companies and enterprises have already started to layout wireless LAN, today we mainly
With the growing sophistication of wireless technology and the continuous enrichment of wireless products, the need for people to use wireless networks is increasing. Because of its simple network and convenient use, the wireless router has become the main mode of the network, so it has been paid more and more attention to the methods and techniques of the fault handling of wireless networks. This article will introduce the common but very easy to ign
This article describes the basic working principles of routers in TCP/IP networks, introduces several functions of IP routers, and provides Static Routing and dynamic routing protocols, as well as the concept of the internal gateway protocol and the external gateway protocol, and briefly introduces the most common RIP, OSPF, BGP and BGP-4 routing protocols, then, it describes the design objectives and types of routing algorithms, and focuses on the link state method and distance vector method. A
In the network, the use of various hardware will cause a high temperature environment. So we can use the hot backup routing protocol HSRP) for configuration. So what is the hot backup routing protocol HSRP )? The Hot backup routing Protocol HSRP, Hot Standby Router Protocol) is a routing Protocol that allows hosts on the Internet to use multiple routers as a single virtual Router) to maintain the connection
What if the router interface doesn't open? Don't worry, here are your illustrations.
1, the router interface does not open the phenomenon and troubleshooting.
1 Please confirm that your line is connected correctly, click the link to see if the line connection is correct.
2 Phenomenon 1: Local connection shows connected, but the router management interface is s
principle, using a Udpecho request instead of a ICMPECHO request to initiate an attack.
While cyber security experts are focused on developing devices that block Dos attacks, they have little effect because Dos attacks exploit the weaknesses of the TCP protocol itself. Properly configured routers can effectively prevent Dos attacks. In Cisco routers, for example, the iOS software in Cisco routers has many features that prevent Dos attacks, securing the rout
At present, China's wireless routers are developing rapidly, and there are also many problems. The following describes the problems that wireless routers often encounter during the connection process and gives you a detailed analysis. With the popularity of wireless networks, wireless routers gradually enter our lives. However, if you purchase a wireless router, in addition, you must also use the original wired wireless
The communications department allows each broadband user to use two computers to share the Internet, and the user needs to install a broadband router. So, what kind of router should be purchased more appropriate?
Today's broadband router many features for the average home user is really very practical, can improve the performance of many Web applications. The fo
Router tplink845 Wireless bridge unsuccessful solution:
For older products, in the Admin interface click Run Status > Wireless status, WDS status continues to display scanning, initialization, correlation, etc., as shown below:
The above phenomenon indicates that the WDS bridge did not succeed. Use the following methods to troubleshoot problems.
1, confirm the bridge is the correct signal
When you set up a wireless bridge,
tplink885n setup steps as follows
A new purchase (Restore factory settings) of the tl-wr885n router, to achieve the Internet function, need to carry out the following 3 steps: 1, tl-wr885n router installation, 2, set the computer IP address, 3, tl-wr885n router Internet settings.
Step one, tl-wr885n router installati
With the development of China's routing industry, it has also promoted the continuous improvement of router protocols. Here we mainly introduce the knowledge of router protocols that network engineers should have mastered. Distance Vector router protocols are designed for small network environments. In a large network environment, this type of
Essential security commands for CISCO router initialization 1. Security Settings for vro Access Control 1. Strict control over the administrator who can access the vro. Record Filing is required for all maintenance tasks. Www.2cto.com 2. do not access the vro remotely. Even if you need to access the vro remotely, we recommend that you use the access control list and high-intensity password control. 3. Strictly control access to CON ports. Specific mea
LSA1 (Router Link States)
R1 # show ip ospf database router view detailed information of Class 1 LSA in LSDB
1. Intra-Domain Routing, transmitted only in this region, does not pass through the ABR.
2. Each vro is generated.
3. including the direct connection neighbor of the vro and the information of the Direct Connection Network
Link ID: router ID
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