bandwidth and price. However, for small and medium-sized enterprises that have Internet cafes, due to the large number of internal computers, the use of ADSL access seems to be somewhat slow, so such as DDN, optical fiber, ATM and other leased line access are popular in these places. However, many small and medium-sized enterprises and Internet cafes still use the ADSL access method as the backup line for primary access to ensure the smooth connection of the enterprise network and ensure that t
used as a stepping stone for various malicious needs, from malware infection to user identity theft through "phishing. The University of India reports that this attack does not take advantage of any browser vulnerability, and, more importantly, it seems to work on almost any vro, regardless of the brand or model.
More interestingly, this type of hacker behavior only occurs when the default administrator password of the target router is still configured by the manufacturer by default. In other w
Research on Low-power wireless routers based on open-source routing technology (1)
Wi-Fi wireless access technology is based on the protocol and is currently the most common wireless access technology in wireless communication. However, Wi-Fi wireless access technology has a critical weakness-high power consumption. Therefore, how to reduce the power consumption of Wi-Fi wireless access technology becomes an urgent problem. Mobile Terminals connect t
Research on Low-power wireless routers based on open-source routing technology (1)
Wi-Fi wireless access technology is based on the protocol and is currently the most common wireless access technology in wireless communication. However, Wi-Fi wireless access technology has a critical weakness-high power consumption. Therefore, how to reduce the power consumption of Wi-Fi wireless access technology becomes an urgent problem. Mobile Terminals connect t
WDS bridging is the wireless way to interconnect multiple wireless routers to form a distributed wireless system. From the principle of wireless communication and practical application, the more wireless routers involved in bridging, the larger the number of wireless belt machines on the main router (the router itself counts as the terminal), or the more the number of wireless Link relays lead to a greater
The main function of the router is to partition the network to establish the interval routing, in general, we encounter network failures, and routers have certain links, such as the lack of access to IP address, network protocol failure, and so on, are set up by the router to solve, and want to ensure that the network unobstructed without problems, You need to buy a good router, choose a good router to make your Internet faster and more stable, then b
Until I read this post: http://jingyan.baidu.com/article/92255446ebe845851748f445.html
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With the development of society, many families have 2 or several computers, in order to achieve the common computer network, routers and switches are slowly more people know, but because home routers and switches from the outside look very much like, many people are not aware of the differences between
Vro is the core device in the network. The hardware router is familiar to everyone, and the most typical is the Cisco Series router. Software routers are emerging products, such as the WinRoute Pro software router launched by tiny software and the Internet gateway software router launched by vicomsoft. Compared with a software-based Router, some people think that Cisco products are purely hardware-based routers
Over the years, the traditional router processing speed has been a lot of growth, but still not enough to keep up with the pace of strong applications.
For example, they can now forward nearly 1 million packets per second. But considering a Gigabit Ethernet interface that can send 1,488,000 packets (PPS) per second and receive packets at 1,488,000pps speed, 2000 Gigabit Ethernet ports can easily overload the system. In contrast, multilayer switches/routers
peer-to-peer physical port should support the trunk ports of these two VLANsNote: In Linux, to establish a VLAN first, and the VLAN and the physical port bundle, the switch is two layer exchange, processing is a data frame, so as long as the previous two steps to achieve the same VLAN data exchange. In this example, adding a gateway is using this Linux as a three-tier interchange.Two. Linux acts as a router configuration1. Under Linux, turn on soft route forwarding1. Modify the configuration fi
The router's wide area network address could not be obtained, that is, the router page has been showing the connection status, IP address can not be logged on, resulting in the normal Internet access. How should this situation be resolved? The following small series share is the router WAN address can not get the solution.
First you need to check the Internet bar router's WAN port led is already lit, if the WAN port led is not lit indicates a network cable or crystal head problem. At this point
1. To see if the wireless network card wireless router in the same room, if the interval is similar to the wall barrier, it is recommended that the wireless network card and router in the near distance barrier-free use of the case, determine whether the obstruction caused by the signal attenuation caused by instability.
2. If there are other wireless devices around, or microwave, cordless phone (2.4GHZ, microwave transmission of equipment) because of different wireless devices if the same or si
I believe you should all know that the different speed limits of the router are not the same, I will mainly for Cisco router settings, the details of Cisco router speed limit and its methods.
Nvar speed limit of Cisco router
BT software now blocked will automatically change the port, some software or use 8000, 8080, 2070 and other ports, restricting these ports so that the network is not normal, so to use NVAR (network-based application recognition, network application recognition) , Nbar (
is reached. To protect the compromised system from crashing, we can take the following two strategies:
Filtering data using the Control access list
The access control list is used on the network boundary router of the final attack target, and the ping attack packet is refused to be sent to the attacked host. But this is a rough way, because when you have completely limited the ping packets to the attacked host on the router, the other ping packets that you want to pass through normally will n
] ESP encryption-algorithm 3DES-CBC //ESP protocol uses an encryption algorithm for 3DES-CBC[H3C-IPSEC-TRANSFORM-SET-V7] ESP authentication-algorithm MD5 //ESP protocol uses the authentication algorithm as MD5[H3C-IPSEC-TRANSFORM-SET-V5] quit# Create a security policy template with a template named 1 and a sequence number of 1.[H3C] IPSec policy-template 1 1[H3c-ipsec-policy-template-1-1] transform-set v7 //Specify IPSec security offer for reference[H3c-ipsec-policy-template-1-1] Security ACL /
written as http://, with a colon: instead of a dot.: http.//192.168.1.1
The correct access method is input: http://192.168.1.1 or http://192.168.0.1 (HTTP can be omitted, that is, directly enter 192.168.1.1 or enter 192.168.0.1). Note that different brands of routers, the default IP access address is also not the same, and generally allow users to modify the default address. Therefore, please refer to the instruction manual for the specific acce
This site has previously shown us the method of segmenting a router into eight virtual routers using virtual Routing and forwarding (VRF, VM forwarding) through a scene example. I showed you how to configure VRF, and in this article we continue to use this scenario and, through IPSec configuration, replicate the exact topology and address to eight experimental environments. The entire environment can proceed smoothly, first requires the virtual route
off, you will not have any autodial connections. Since we want to be able to achieve autodial, set it to active, and then click the Execute button at the bottom right to save the settings. (Figure 1)
The fourth step: after reactivating the broadband router, whenever we turn on the power of the device, he will automatically dial and connect the network, thus realizing the function of Internet automation, eliminating the user manual dialing operation.
However, this automatic dialing s
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