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icnd2:ppp [2024/04/27 17:19]
114.119.138.183 old revision restored (2023/11/11 06:55) 		icnd2:ppp [2024/05/14 23:11] (current)
114.119.158.167 old revision restored (2023/10/19 22:13)
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 ===== PPP ===== ===== PPP =====
-The 'nice' protocol for data-link encapsulation over WAN. Provides AUTHENTICATION and LOAD-BALANCING via Multilinks. +Beginning
- +
-=== AUTHENTICATION === +
-== PAP == +
-Clear text, no no no! But if you had to.. +
-Requirements: +
-Local USERNAME and PASSWORD of credentials the REMOTE device will authenticate with. +
-ppp auth pap +
-<code> +
-DOGS#sh run | i username +
-username CATS password 0 123    <-- USERNAME/PASS here is the same as being sent by remote device. +
-DOGS#sh run interface s0/0 +
-Building configuration... +
- +
-Current configuration : 172 bytes +
-! +
-interface Serial0/0 +
- ip address 172.16.1.1 255.255.255.252 +
- encapsulation ppp +
- clock rate 2000000 +
- ppp authentication pap    <-- ENABLE PAP +
- ppp pap sent-username DOGS password 0 123     <-- SEND USERNAME DOGS, PASSWORD 123. Ensure remote router has local user configured. +
-end +
-</code> +
  
 == CHAP == == CHAP ==
 Requirements: Requirements:
 USERNAME and PW created for PEERING/AUTHENTICATING DEVICES. USERNAME and PW created for PEERING/AUTHENTICATING DEVICES.
-eg-- If R4 is connecting, a local user of R4 will need to exist. Passwords for authenticating devices will need to be consistent. No PW is sent over the WIRE. Only Hostname/Magic#. CHAP uses it's local PW along with the Hostname/Magic# of peering device and hashes it via MD5SUM. The MD5 hash is sent to each router. If the hash matches, the routers will authenticate and bring up the PPP link.+eg-- If R4 is connecting, a local user of R4 will need to exist. Passwords for authenticating devices will need to be consistent. No PW is sent over the WIRE. Only Hostname, magic#. CHAP uses it's local PW along with the hostname/Magic# of peering device and hashes it via MD5SUM. The MD5 hash is sent to each router. If the hash matches, the routers will authenticate and bring up the PPP link.
  
-ppp auth chap +== PAP == 
-<code> +Clear text, no no no!
-DOGS#sh run | i username +
-username CATS password 0 chap-auth  <-- **CATS** is name of remote device. **Passwords must match.** +
-DOGS#sh run int s0/0 +
-Building configuration... +
- +
-Current configuration : 130 bytes +
-! +
-interface Serial0/0 +
- ip address 172.16.1.1 255.255.255.252 +
- encapsulation ppp +
- clock rate 2000000 +
- ppp authentication chap    <-- Enable CHAP Authentication! +
-end +
-</code> +
-=== MULTILINK === +
-[[icnd2:ppp|PPP]]+
icnd2/ppp.1714238375.txt.gz · Last modified: 2024/04/27 17:19 by 114.119.138.183

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