gre for dummies

It is said that ASP can be run on Linux. net, there are a lot of articles on the Internet and in the yard. Even though it seems that a bunch of Linux code is hard to digest, it is so complicated to install only one software. I tried it on Redhat

Today, I took some time to set up the testlink environment. I always felt that this was not very advanced, because QC, Zen Road, and other management tools came with test case management. It seems that many companies are still using it, so you can

I have read many articles about transactions before this article. Most of them are profound and difficult for beginners to understand. Here we will use a very simple example to explain the application of transactions. First, create a temporary table

650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/060552O24-0.png "title =" simple vpn .png "/> The IP address range 192.168.1.0 can be pinged to the IP address range 192.168.2.0. R1: Conf ter Int f1/0 Ip add 12.1.1.1255.255

1. Topology Map: Note: Because of the application, it is necessary to add a public network address on the LINUX2, and Linux1 can access the public network address above the LINUX2 in the event that the intermediary routing device is not under

1. Topology map Reference: http://www.time-dms.com.cn/viewthread.asp?tid=1904 2. Basic interface Configuration: R1: R1 (config) #int e0/0 R1 (config-if) #ip add 10.1.1.1 255.255.255.0 R1 (config-if) #no sh R2: R2 (config) #int e0/0 R2

Encryption, the center needs to decrypt the data transmission branch tunnel and re-encrypt the received data in the branch tunnel. Another case is that the two branches of communication are in the same city and the center is in another city, which introduces unnecessary latency. When the scale of the star IPSec network (hub-and-spoke) continues to expand, the configuration of the Traditional VPN becomes more complex and is not easy to maintain and troubleshoot. Therefore, dynamic routing of IP

single industry to a network service platform in multiple industries As shown in figure 1, the original IP private network in industry a is transformed and upgraded to become a network service platform, providing network services for multiple industries at the same time. There are similar demands in Politics and Law networks and e-government affairs networks. How to provide a logically isolated, secure, and reliable virtual IP private network for various industries has become a technical proble

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PPTP has two streams, one is the control flow (RFC2637 definition), and the other is a data stream (GRE, RFC2784). And the general ALG different is (such as FTP), Nat encountered PPTP, not the port or IP, but PPTP inside Callid (throw a ball to everyone, why does PPTP call ID whole to the PPTP control stream?). In the PPTP protocol, with the concept of a call ID, the client initiates a connection to the server, tells the service what my called ID is,

the GRE (Generic Routing encapsulation, Generic Routing Encapsulation Protocol) presented by Cisco Corporation. The GRE is proposed mainly to solve the encapsulation problem between the network protocols at any level. The contents of this section are mainly referred to RFC1701 and RFC1702. First, the actual packets that GRE will need to transmit are called Paylo

If you can agree that the world is mainly composed of dummies, we should be able to accept the following series of less rigorous Inferences: Things that are fashionable usually belong to the world of dummies; => Non-dummies will certainly do some uncommon things; => To break away from the dummies sequence, you ne

Pptpd vpn problems-Linux Enterprise Application-Linux server application information, the following is a detailed description. Who can help me? Dec 14 12:26:05 chen pppd [6782]: Plugin/usr/lib/pptpd/pptpd-logwtmp.so loaded. Dec 14 12:26:05 chen pppd [6782]: The remote system is required to authenticate itself Dec 14 12:26:05 chen pppd [6782]: but I couldn't find any suitable secret (password) for it to use to do so Dec 14 12:26:05 chen pptpd [6781]: GRE