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Example: ppp over ssh

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz62r1-log.run
!
crypto rsakey rsa import $v10$TUlJRW93SUJBQUtDQVFFQXRyYmp1Q1owRzlKTmZkSnlsUW5BTERyYjF1dUQ0NDIvV29VdWxyS2daaXNhMm1WUEdBeCs1UHEzQ1U2M1hGbFIvM0hNUmszUlFzVVQ5R25IeXFNd05zRzBSdUlXM0JBa05NdXQ2dVRPZ0J1UFJkRVhxZk56VnE4M1JPaUFscHN4eENUVjlXU0RkKytoaWJabVZuc3N6bWJsQkpLL1BHY1laOXltVGl4bExndVJOOWVscmk5Sk5ZQWYrUVRhWlVadnZ1Ung0YmVwU1ZnMEk5SVFqaUVlcUZWRVdtSlBzOC9oSDRad0ZOTWZhcXRnaEhPdUpYd2tSM0lHRGFIYmo3MTliZ0QvbU1DbDJjZkZqQzBRWlg3cHJCVWJ2dndhSzhCSWFlcXhRTkIvVDVBWEw3dTZ2V216WmZxcmF5aDUrUDJhWlBLN0xzazV4c3U5Q3JuUm1OZkppUUlEQVFBQkFvSUJBRSsvSzB6b202eTQ4VkdGVkxWditBeFY5RFd0dlhiSUcwaXE4RmFkeUJ4UG0vek9VdU13TVFKSDJ6T1l3N2J1MVRja3QvL0hYeHBCWWlBL094QmFnV1NrenNaUlQ2RGsrcWlBYlh3a09XejRtbVBpaXUyR2NFVFpYTW9hb0dVYmYzRVlrcm4wRU4xOEhZazVyeGozMGVxVVJramtzOHJ0UkYyd2xIVnlNd2NSRDE2Z1EvY0t5SUNqZGlHOFBOb2lkSWpNNkNCSXpMS2Z2SVVLRHFZOHlMMzZRL3N6a2NOblRZd1JNUlVmbDFiZUlmOUd1Nk53RmpNZXJ1WXYrdTVxN25jSDI4WFlvSmVsVWNCL1MrNEpkUVk4SFFVbGxSWGZaQkxEaFJGNnI3K2ZEUzRUbnloa2UrR1lONUUweDJ0eWpKdS9JSGFYUlFvZGlhRklHRlluczhFQ2dZRUE4bkFBbjRiUWpXOWsxczRSakM1MStHTWVMc2dMamd5dkdTd1h3cTRTajdTZkJOMkk3VWtoSHJjZm10WUxvT25xVkNMUFVpUS9Gc0lSb3NLOTRrSklnNFQ5eHVHS3dydzJpVHNQRW9POGtoWUgxTk9qaXJtWE1ySk92SXdqMjJMZzFsaEJOUlpJcWlJM1lmMEI4Rm9WaFlXQmI3YmU2YTZIK280SDVtVkU0RDBDZ1lFQXdPK1VqcnZnVktROXFmNXVTZE5NZkk1WWg0QjZzZGxyM0UvcDlLazNzMmdhbklSRGZBN2lUVDRpVnI3NFd4eUEwUjhEWVZIS0ErOFZhQUtmT3JqV2ZEek1OWHA5MGx2cGsxUVVRQ0pkUU8yU0dVT2FlNEs3TXgvM3JNYTRLQnc4bE5FSER3T2pLZTVHQTl3V05TSHpKSnFhWS9DUG1kMVE3NlB6aGpFYWR6MENnWUVBcmdCZklpQURmUStQUTNDaFBZaDNHVEFpa0piNVhCbVVicStyMmdsUHZ4NTI1Mm9OQmFsd0FQaVQwWENBNWh3ZEdBZm4zdCt1L0NtTHVOS21zRWE4ZnRDcng5dEcyVjkya09YM2VtVmNxVWp3ay9yV0xSSHBCL1RiK0ExcEN1T2IxWnVBS1piMXprNUNpNnlvZ0paWFRmNjFHTFlhcFlPaml0djNwWS9YY0UwQ2dZQWRTZ0dXYllVUHRHTThGRWp2NGlqaFc4YXF3MkZjOEhIRVgwbFgvL3hadXZzWE9hajVBMVZ0Zm5vK0N2MnU3elBMQzFjN0JleVNEbENFbXFsTGc5WGp4R01IMTFHVWhxbDkyU3k5MDdtdWFxSmNQWHdOTmZwdk4zSWxBNEhmYlBIeGNZNE54SEtYb2ZsMUNvdEFnNmZpcmFtMGRFZUloeVdMUzZ0amVyN1d6UUtCZ0JTeHA5MVRicGFaUEg3c05wRmVabDFLMFFrdEVHOFNScm93TkN3dDZ1WFN6YnV1YWN2YUE3R3RoV1E3dHhsc0FtMlkrVjg1Z1Y0OHk5VlQ0ckVFd09ocXljRWhwaUVNYWJHUnY3eHZuNHJBUk1sY20wK0dIRFNoR1dqZzEraFJRYmlSUkt1Z1lVcTJMUnBtVnVjckhxMHcwOWNtN3dDOVNOWENaNmZaRWNZUg==
!
crypto dsakey dsa import $v10$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
!
crypto ecdsakey ecdsa import $v10$TUhRQ0FRRUVJQUQwRkZHaGhpTk9RdzZVbWtaT3ZLdFpvd1phbHRlc1A2UXJYMlZiQWRlcW9BY0dCU3VCQkFBS29VUURRZ0FFS1RzZFA2ZHlvYjVSZW5sNjZCS0UrcTU2Q0JZTk9vak5IeGM5L2JESTVUQnloZUo5aFM2ZEZkUWdMZi9ITy9ubE5CejI5dDJlWUVscVBGbnNucWpBZmc9PQ==
!
aaa userlist usr
 username u
 username u password $v10$cA==
 username u privilege 14
 exit
!
ipv4 pool p4 2.2.2.1 0.0.0.1 254
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.255
 no shutdown
 no log-link-change
 exit
!
interface dialer1
 no description
 encapsulation ppp
 ppp ip4cp open
 ppp ip4cp local 2.2.2.0
 vrf forwarding v1
 ipv4 address 2.2.2.0 255.255.255.255
 ipv4 pool p4
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.252
 no shutdown
 no log-link-change
 exit
!
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server telnet tel
 security protocol ssh
 security authentication usr
 security rsakey rsa
 security dsakey dsa
 security ecdsakey ecdsa
 exec interface dialer1
 no exec authorization
 no login authentication
 vrf v1
 exit
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r2: 

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hostname r2
buggy
!
logging file debug ../binTmp/zzz62r2-log.run
!
chat-script login
 sequence 10 send ppp
 sequence 20 binsend 13
 exit
!
prefix-list p1
 sequence 10 permit 0.0.0.0/0 ge 0 le 0
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface dialer1
 no description
 encapsulation ppp
 ppp ip4cp open
 ppp ip4cp local 0.0.0.0
 vrf forwarding v1
 ipv4 address 4.4.4.4 255.255.255.128
 ipv4 gateway-prefix p1
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.252
 no shutdown
 no log-link-change
 exit
!
proxy-profile p1
 vrf v1
 exit
!
vpdn tel
 interface dialer1
 proxy p1
 script login
 target 3.3.3.1
 username u
 password $v10$cA==
 vcid 23
 protocol ssh
 exit
!
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server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end


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r2#
r2#
r2#show inter dia1 full
r2#show inter dia1 full
dialer1 is up (since 00:00:01, 3 changes)
 description:
 type is dialer, hwaddr=none, mtu=1500, bw=128kbps, vrf=v1
 ip4 address=2.2.2.202/25, netmask=255.255.255.128, ifcid=634917650
 received 10 packets (660 bytes) dropped 0 packets (0 bytes)
 transmitted 10 packets (660 bytes) promisc=false macsec=false sgt=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~|~~~~|~~~~~~|
 |       | packet         | byte           |
 | time  | tx | rx | drop | tx | rx | drop |
 |-------|----|----|------|----|----|------|
 | 1sec  | 0  | 0  | 0    | 0  | 0  | 0    |
 | 1min  | 0  | 0  | 0    | 0  | 0  | 0    |
 | 1hour | 0  | 0  | 0    | 0  | 0  | 0    |
 |_______|____|____|______|____|____|______|
 |~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |                          | packet         | byte             |
 | type   | value | handler | tx | rx | drop | tx  | rx  | drop |
 |--------|-------|---------|----|----|------|-----|-----|------|
 | ethtyp | 0000  | null    | 0  | 0  | 0    | 0   | 0   | 0    |
 | ethtyp | 0800  | ip4     | 10 | 10 | 0    | 660 | 660 | 0    |
 |________|_______|_________|____|____|______|_____|_____|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 1     | 10   | 660  |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |            | packet         | byte             |
 | size       | tx | rx | drop | tx  | rx  | drop |
 |------------|----|----|------|-----|-----|------|
 | 0-255      | 10 | 10 | 0    | 660 | 660 | 0    |
 | 256-511    | 0  | 0  | 0    | 0   | 0   | 0    |
 | 512-767    | 0  | 0  | 0    | 0   | 0   | 0    |
 | 768-1023   | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1024-1279  | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1280-1535  | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1536-1791  | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1792-65535 | 0  | 0  | 0    | 0   | 0   | 0    |
 |____________|____|____|______|_____|_____|______|
 |~~~~~~~|~~~~~|~~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |       | packet           | byte             |
 | class | cos | exp | prec | cos | exp | prec |
 |-------|-----|-----|------|-----|-----|------|
 | 0     | 10  | 10  | 10   | 660 | 660 | 660  |
 | 1     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 2     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 3     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 4     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 5     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 6     | 0   | 0   | 0    | 0   | 0   | 0    |
 | 7     | 0   | 0   | 0    | 0   | 0   | 0    |
 |_______|_____|_____|______|_____|_____|______|
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- seconds
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- minutes
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- hours
r2#
r2#