Difference between revisions of "16471 Grundlæggende programmering"
From Teknologisk videncenter
m (→Primtal opgave svar) |
m (→Telnet) |
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To use this module, you need to be able to telnet to one or more Cisco devices. | To use this module, you need to be able to telnet to one or more Cisco devices. | ||
| − | Example of basic setup | + | Example of basic setup for Telnet and SSH |
<source lang=cli> | <source lang=cli> | ||
| − | + | hostname R1 | |
! | ! | ||
username cisco password 0 cisco | username cisco password 0 cisco | ||
| + | ! | ||
| + | ip domain-name merhot.dk | ||
| + | ! | ||
| + | crypto key generate rsa general-keys modulus 1024 | ||
! | ! | ||
aaa new-model | aaa new-model | ||
| − | aaa authentication login default local enable | + | aaa authentication login default local |
| + | aaa authentication login CONSOLE none | ||
| + | aaa authorization exec default local | ||
| + | aaa session-id common | ||
| + | ! | ||
| + | enable secret cisco | ||
| + | ! | ||
| + | interface Loopback0 | ||
| + | ip address 1.1.1.1 255.255.255.255 | ||
| + | ! | ||
| + | ip ssh time-out 60 | ||
| + | ip ssh authentication-retries 2 | ||
| + | ip ssh source-interface Loopback0 | ||
| + | ip ssh logging events | ||
! | ! | ||
line vty 0 15 | line vty 0 15 | ||
| − | + | transport input ssh telnet | |
| + | ! | ||
| + | line con 0 | ||
| + | login authentication CONSOLE | ||
</source> | </source> | ||
Python 3 telnet example | Python 3 telnet example | ||
Revision as of 06:05, 7 April 2020
- Link til Google Hangout
- Vores facebookgruppe til at dele info via denne link - gruppen hedder Grundlæggende programmering - Python
- Kurset følger i første del video læringsmaterialet via denne link til Oreilly
- Materiale til øvelser i videomateriale via denne link til Github
Primtal opgave svar
Python and networking
Materials
- Python Network Programming for Network Engineers (Python 3) (Oreilly Video based)
- GNS3 see - Chapter 1 - part 2 to 6
- Link to: Cisco 7200 IOS
- Chapter 3 - Telnet
- Chapter 4 - SSH
- Chapter 5 - NAPALM - Mutivendor automation API
- GNS3 see - Chapter 1 - part 2 to 6
Telnet
To use this module, you need to be able to telnet to one or more Cisco devices.
Example of basic setup for Telnet and SSH
hostname R1
!
username cisco password 0 cisco
!
ip domain-name merhot.dk
!
crypto key generate rsa general-keys modulus 1024
!
aaa new-model
aaa authentication login default local
aaa authentication login CONSOLE none
aaa authorization exec default local
aaa session-id common
!
enable secret cisco
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
ip ssh time-out 60
ip ssh authentication-retries 2
ip ssh source-interface Loopback0
ip ssh logging events
!
line vty 0 15
transport input ssh telnet
!
line con 0
login authentication CONSOLEPython 3 telnet example
import getpass
import sys
import telnetlib
host = "192.168.239.129"
user = input("Username: ")
password = input("Password: ")
tn = telnetlib.Telnet(host)
tn.read_until(b"Username: ")
tn.write(user.encode('ascii') + b"\n")
if password:
tn.read_until(b"Password: ")
tn.write(password.encode('ascii') + b"\n")
tn.write(b"enable\n")
tn.write(b"cisco\n")
tn.write(b"conf t\n")
tn.write(b"int loop 0\n")
tn.write(b"ip address 1.1.1.1 255.255.255.255\n")
tn.write(b"int loop 1\n")
tn.write(b"ip address 1.1.1.2 255.255.255.255\n")
tn.write(b"end\n")
tn.write(b"exit\n")
print(tn.read_all())
SSH
To use this module, you need to be able to ssh to one or more Cisco devices.