network vpn diagram

Authentication 1. 4 SSL VPN and IPSEC VPN comparisons SSL VPN IPSEC VPN Mainly for roaming users mainly for site direct Security protocol based on IP layer for Web application Mainly used in 2-point direct VPN connection is mainly used in multiple points, build

Linux Network virtualization-gre vpn network method, grevpn This article does not detail gre and vpn principles. This section describes how to use the Linux gre virtual network device to implement your own vpn

With the development of enterprise Informatization and the arrival of web2.0 era, the traditional office way has not been up to the demand of the Times, mobile office, Soho office gradually become the mainstream office. Compared to the traditional office, mobile office and Soho Office brings more flexible working hours and office location, for timely access to the latest and most valuable information has a great help. In this era of information, who can first control the information who can cont

, meticulous field survey, strict construction and installation procedures, wireless access technology and optical fiber technology can be comparable. Using Wireless access technology: Users will enjoy the fiber-like services, but the price can be greatly reduced, the process of getting the service is very fast. Therefore, the use of wireless access to establish their own VPN is the wise choice of enterprise users. Wireless

Requirements for VPN Because the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements. VPN availability: That is, the established network can meet the requir

The current network construction has been developed from the original regional network to cross-regional, trans-city wide area Connection, and the security requirements of the network and the increasing carrying business, with the original means of networking many problems difficult to solve. Because of the inherent advantages of MPLS

A Virtual Private Network (VPN) allows you to connect to components in a network through another network, such as the Internet. You can use a Windows 2000 Server-based computer as a remote access server, so that other users can connect to it using a VPN and then access share

Requirements for VPNBecause the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements.VPN availability: That is, the established network can meet the requirements of the user's business. After the enterprise user's own business nature, the flow analy

What is VPNVPN (Virtual private network) is a kind of business that uses public network resources to build a private network for customers, it transmits private data on the public Internet and achieves the security level of private network through packet and encrypted transmission of

Network knowledge Review-VPN Virtual Private Network (VPN) refers to the technology for establishing a private Network on a public Network. It is called virtual network, mainly because

VPN access network technology is still developing very rapidly. At the same time, it can be seen that the market demand is growing and users are also increasing. I believe that with the technological innovation, its development prospects will be even better, it will lead the rapid development of the communication industry. In recent years, Virtual Private Network

ADSL is called asymmetric Digital subscriber line. ADSL is called asymmetric because its two duplex channels are used to transmit data to the user, only a small portion of the bandwidth used to send back to the user's information. ADSL on a pair of copper wire support upload rate 640kbps~1mbps, 1mbps~8mbps rate, effective transmission distance within the 3km~5km range. The application of ADSL ADSL LAN users with 4 fixed static IP address, the application of ADSL LAN form

Friends know how to configure VPN under win ' 2003, but many of these are based on the server in the public network IP premise, and at present many units are connected through a router outside the network, the rest of the servers are under the router, using the intranet IP, then how do we configure VPN? 51CCNP will be

Vpc vpn and Network Address Translation NAT 1. dedicated addresses in the Internet ① 10.0.0.0 to 10.255.255.255 (can be counted as 10.0.0.0/8, also known as 24-bit blocks) ② 172.16.0.0 to 172.31.255.255 (can be counted as 172.16.0.0/12, also known as 20-bit blocks) ③ 192.168.0.0 to 192.168.255.255 (which can be counted as 192.168.0.0/16, also known as 16-bit blocks) these addresses are dedicated addresses t

1. About VPN (1) Virtual Private Network (VPN) is an extension of a private network. It contains Internet-like shared or public network connections. Through VPN, data can be sent between two computers through a shared or public

open communication network. It introduces the connection mode in a connectionless network, this reduces network complexity and is compatible with various mainstream network technologies, greatly reducing network costs while improving IP service performance, it ensures the s

ADSL is called an asymmetric digital user line. ADSL is called asymmetric because its two duplex channels are used to transmit data to users, and only a small portion of bandwidth is used to send user information back. ADSL supports the upload speed of kbps on a copper-to-copper line ~ 1 Mbps, 1 Mbps ~ 8 Mbps, valid transmission distance between 3km ~ Within the range of 5km.Application of ADSLAdsl lan users have four fixed static IP addresses. enterprises applying for access through the adsl la

VPN is one of the most important technologies in the access network. As the access network technology continues to develop, VPN is also evolving to meet more user needs, it brings people a convenient and fast network environment. The emergence of

You may have heard about VPN. Next, I will introduce you to the knowledge of D-Link router VPN. How can we use D-Link router VPN reasonably to bring us convenience? The following is a detailed introduction. VPN Virtual Private Network), as its name implies, is an encrypted P

addition, they have set up offices in other places to expand their business volume. How to transmit the operation information of these branches and overseas offices to the enterprise Headquarters in a timely manner, so that the enterprise's decision-making layer and employees can make correct decisions accordingly. In addition, because a large amount of data in the ERP system involves business secrets of enterprises, once these ERP data is intercepted during