ppp authentication

The PPP protocol is currently one of the most widely used protocols on the Wide Area Network. It has the advantages of simplicity, user verification capability, and IP Address allocation. Www.2cto.com is used to establish a communication link between the client and the access server of the carrier through PPP. At present, broadband access is becoming a trend to replace dial-up Internet access. In today's ev

CHAP cipher Authentication: You must use the hostname and the same password to verify:Look at the configuration, R1 and R2.R1 (config) #username R2 pass CiscoR1 (config) #inter s0/0R1 (config-if) #clock rate 64000R1 (config-if) #ip address 192.168.1.1 255.255.255.0R1 (config-if) #no shR1 (config-if) #encapsulation PPPR1 (CONFIG-IF) #ppp authentication chap R1 (CO

This article was reproduced from: http://blog.csdn.net/zqixiao_09/article/details/52540887In the arm platform to implement the 4G module PPP dial-up Internet access, reference information on the Internet and their own understanding, from the ignorance to the development of the completion of more than a week. Finally see the arm board Ping Pass Www.baidu.com is very happy, now this process is organized as follows. There is, of course, a lot more work t

. The only difference between the two parties is to tell the other party their own IP addresses.Both parties separately tell the other party their ip addresses and other optional information.Dynamic negotiation means that one end is configured to dynamically obtain the IP address, and the other end is configured to manually assign an IP address to the peer end. This process can be consistent with the process of narrowband dial-up access.Sender first places the ip field 0 to dynamically send an i

SSL: Specifies a Data Security score between the Application Protocol (HTTP, telnet, nntp, FTP) and TCP/IP. Layer mechanism. Provides data encryption, server authentication, message integrity, and optional client authentication for TCP/IP connections. .Difference between SSL and TLS: TLS can be seen as an upgraded version of SSL. The main difference is that the supported encryption algorithms are different.

We will see the content of the ppp-on script in many compilation processes. So here we will mainly explain this knowledge. We have mentioned the preparation of kernel PPP in previous articles, and also explained the setting of PPP in Linux. Here we will add the content of the ppp-on script. The specific code is as foll

1 Overview The PPP protocol (Point-to-Point Protocol) is widely used in dial-up networks and is gradually replacing the slip protocol. PPP data packet format: | Protocol code | load | fill character There are four types of PPP protocol codes: 1 0x0001-0x3fff Network Layer Protocol (IPv4, IPv6, IPX, appletalk)2 0x4001-0x7fff no network layer protocol involved in s

We have mentioned the preparation of kernel PPP in previous articles, and also explained the setting of PPP in Linux. Here we will add the content of the ppp-on script. The specific code is as follows: ========================================================== ======================================# Ppp-on script#! /Bi

Create a new file named/etc/PPP/pppoe. conf with the following content: #***********************************************************************## pppoe.conf## Configuration file for rp-pppoe. Edit as appropriate and install in# /etc/ppp/pppoe.conf## NOTE: This file is used by the pppoe-start, pppoe-stop, pppoe-connect and# pppoe-status shell scripts. It is *not* used in any way by the# "pppo

Topology: R1 S1/1 IP: 1.1.1.1/24 R2 S1/0 IP: 1.1.1.2/24 R1 Configuration: R1 (config) # int S1/1R1 (config-If) # IP add 1.1.1.1 255.255.255.0R1 (config-If) # encapsulation PPPR1 (config-If) # PPP authentication chapR1 (config-If) # No shR1 (config-If) # exit R1 (config) # username R2 password Cisco R2 Configuration: R2 (config) # int S1/0R2 (config-If) # IP add 1.1.1.2 255.255.255.0R2 (config-If)

There are two programs for using PPP to access Linux: PPPD and chat. Ubuntu comes with pppd and chat, and you can use man to see how it's used.Typical PPP dialing requires several files to be prepared:1. PPPD script.2. Chat script.3. chap-secrets file.4. pap-secrets file.The chat script is a real send and receive script for the AT command, and the chat script mainly consists of timeout,abort and at instruct

First, PPP can release debug kedebug debug Options in the options file Second, Linux kernel journaling can be viewed through cat/var/log/syslog.1The following are the relevant steps for Linux Cd/etc/ppp Ls VI Options Change #debug to debug # Increase debugging level (same as-d) . If This option is given, PPPD # would log the contents of all control packets sent or received in a # readab

We know that the development of networks is also embedded in mobile communication. Embedded operations are required to add some settings to some mobile devices. Here we will explain the PPP settings of the Linux kernel in the GPRS internet access solution based on embedded Linux. Hardware/software environment In an embedded system based on S3C2410, COM1 connects to PC and COM2 connects to the SIM300 GPRS module. The system runs in Linux 2.6.14 and use

Article title: use wvdial to start ppp dial-up Internet access. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Wvdial is an intelligent dialing tool in linux. using wvdial and ppp, you can easily access the Internet in linux. During the entire process, wvdial is used to

Originally in Ubuntu 15.10 with dial-up Internet no problem, but upgraded 16.04 LTS found the original DSL connection is not on. The main performance is:1, in NetworkManager the choice DSL connection can try to dial the connection, even after two or three seconds on the broken;2, after many times in accordance with the online method to modify the strange configuration, ultimately not even at all;3, delete the DSL connection re-establish a, the same problem;4, try to delete networkmanager configu

I believe many of my friends know about the PPP protocol. Here we will explain the problem about Linux PPP settings. Now let's start with Linux dial-up Internet access. I hope this will help you. The details are as follows: How to dial up Internet access in Linux PPP settings Set PPP on a Linux server so that it can di

In some systems, we can perform an experiment on ppp dialing settings. Here we will focus on the content and process of the ppp dial-up linux on the Liod platform. Hardware Platform: yidao Liod Platform Based on PXA270), operating system: Embedded Linux. The following describes how to perform ppp dialing on the Liod platform to implement GPRS internet access. Ste

4.5 PPP Multilink Purpose: 1. master the basic configurations of PPP multi-link bundling. 2. Understand the multi-link binding feature of PPP. Tutorial topology: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/061S52553-0.png "title =" 4.5.png "/> Tutorial steps: 1. Deploy PPP encapsulati

From: http://topic.csdn.net/t/20030528/15/1845691.html Using GPRS modem to access the Internet, the current implementation method is to use PPP as a transit, the GPRS transmission layer is like this:--------IP/X.25--------Sndcp--------LLC----------------RLC----------------Mac----------------RF----------------Ms is on the left and BS is on the right. For Ms, IP support can be provided, either in me, Ta, or te, as long as there is an interface. However

Test environment: Linux marsboard 3.4.90 #9 SMP PREEMPT Thu Mar 3 18:28:43 CST armv7l armv7l armv7l gnu/linux (note: A20 Core Board)Communication module, loaded into ttyusb* equipment;Target: Use the communication module for 3G4G dial-up connection to the InternetMethod: Use PPPD and PPP programs to make dial-up ConnectionsPrerequisite: PPP, PPPD two programs installedSummary: The Chat-script dial script fo