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PPP identity authentication? Do you understand?

Source: Internet
Author: User
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Through understanding the PPP protocol, we found that PPP identity authentication is a very important part. The authentication process is divided into different stages. Let's take a look at the specific content here. First look at the topology used:

PAP two-way Identity Authentication

The R1 configuration is as follows:

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R1  
    3. 
  
  
  3. username R1 password komy  
    4. 
  
  
  4. interface s0/0/0  
    5. 
  
  
  5. ip address 192.168.1.2 255.255.255.252  
    6. 
  
  
  6. encapsulation ppp  
    7. 
  
  
  7. ppp authentication pap  
    8. 
  
  
  8. ppp pap sent-username R2 password komy  
    9. 
  
  
  9. no shutdown 
    10.

R2 is configured as follows:

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R2  
    3. 
  
  
  3. username R2 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. clock rate 4000000  
    6. 
  
  
  6. ip address 192.168.1.1 255.255.255.252  
    7. 
  
  
  7. encapsulation ppp  
    8. 
  
  
  8. ppp authentication pap  
    9. 
  
  
  9. ppp pap sent-username R1 password komy  
    10. 
  
  
  10. no shutdown 
    11.

PAP one-way Identity Authentication

R1 is configured as the authenticated party ):

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R1  
    3. 
  
  
  3. interface s0/0/0  
    4. 
  
  
  4. ip address 192.168.1.2 255.255.255.252  
    5. 
  
  
  5. encapsulation ppp  
    6. 
  
  
  6. ppp pap sent-username R2 password komy  
    7. 
  
  
  7. no shutdown 
    8.

R2 is configured as follows (primary authenticated party ):

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R2  
    3. 
  
  
  3. username R2 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. clock rate 4000000  
    6. 
  
  
  6. ip address 192.168.1.1 255.255.255.252  
    7. 
  
  
  7. encapsulation ppp  
    8. 
  
  
  8. ppp authentication pap  
    9. 
  
  
  9. no shutdown 
    10.

CHAP mutual identity authentication

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R1  
    3. 
  
  
  3. username R2 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. ip address 192.168.1.2 255.255.255.252  
    6. 
  
  
  6. encapsulation ppp  
    7. 
  
  
  7. ppp authentication chap  
    8. 
  
  
  8. no shutdown 
    9.

R2:

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R2  
    3. 
  
  
  3. username R1 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. clock rate 4000000  
    6. 
  
  
  6. ip address 192.168.1.1 255.255.255.252  
    7. 
  
  
  7. encapsulation ppp  
    8. 
  
  
  8. ppp authentication chap  
    9. 
  
  
  9. no shutdown 
    10.

CHAP one-way Identity Authentication

R1 (CHAP authenticated party ):

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R1  
    3. 
  
  
  3. username R2 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. ip address 192.168.1.2 255.255.255.252  
    6. 
  
  
  6. encapsulation ppp  
    7. 
  
  
  7. no shutdown 
    8.

R2 (CHAP primary authenticated party ):

 
 
    
  
  
  1. config t  
    2. 
  
  
  2. hostname R2  
    3. 
  
  
  3. username R1 password komy  
    4. 
  
  
  4. int s0/0/0  
    5. 
  
  
  5. clock rate 4000000  
    6. 
  
  
  6. ip address 192.168.1.1 255.255.255.252  
    7. 
  
  
  7. encapsulation ppp  
    8. 
  
  
  8. ppp authentication chap  
    9. 
  
  
  9. no shutdown 
    10.

From: http://hi.baidu.com/51cmdshell

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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