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Parse Cisco SSH commands using Python: RegEx Parser Part 5/9: Configuration Parsing

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#RegexExample #RegexPython #ParseSSH
Playlist: Learn to Parse Cisco Configuration using Python RegEx:re Tutorial
Playlist: Python Learning for Network Engineers
Playlist: Learn to Read Data From CSV Using Python
Playlist: Paramiko detailed explanation with Example for Network Engineers
Script
-------
import paramiko
import time
from getpass import getpass
import re
lab_csr = {
'username': 'admin',
'password': 'admin'
}
devnet_csr = {
'username': 'developer',
'password': 'C1sco12345'
}
def cisco_parse_version(host,username,password):
try:
print(f"\n{'#' * 55}\nConnecting to the Device {host}\n{'#' * 55} ")
SESSION = paramiko.SSHClient()
SESSION.set_missing_host_key_policy(paramiko.AutoAddPolicy())
SESSION.connect(host, port=22,
username=username,
password=password,
look_for_keys=False,
allow_agent=False)
DEVICE_ACCESS = SESSION.invoke_shell()
DEVICE_ACCESS.send(b'term length 0\n')
DEVICE_ACCESS.send(b'show ver\n')
output = (DEVICE_ACCESS.recv(65000).decode('ascii'))
print(f"\n{'#' * 55}\nFinished Executing Script\n{'#' * 55} ")
SESSION.close()
print("Authentication Failed")
except AttributeError:
print("Parsing Error, Please check the command")
except:
print("Can not connect to Device")
cisco_parse_version(**devnet_csr)
--------------------
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This Video demonstrates how to parse Cisco show command output
Playlist: Learn to Parse Cisco Configuration using Python RegEx:re Tutorial
Playlist: Python Learning for Network Engineers
Playlist: Learn to Read Data From CSV Using Python
Playlist: Paramiko detailed explanation with Example for Network Engineers
Script
-------
import paramiko
import time
from getpass import getpass
import re
lab_csr = {
'username': 'admin',
'password': 'admin'
}
devnet_csr = {
'username': 'developer',
'password': 'C1sco12345'
}
def cisco_parse_version(host,username,password):
try:
print(f"\n{'#' * 55}\nConnecting to the Device {host}\n{'#' * 55} ")
SESSION = paramiko.SSHClient()
SESSION.set_missing_host_key_policy(paramiko.AutoAddPolicy())
SESSION.connect(host, port=22,
username=username,
password=password,
look_for_keys=False,
allow_agent=False)
DEVICE_ACCESS = SESSION.invoke_shell()
DEVICE_ACCESS.send(b'term length 0\n')
DEVICE_ACCESS.send(b'show ver\n')
output = (DEVICE_ACCESS.recv(65000).decode('ascii'))
print(f"\n{'#' * 55}\nFinished Executing Script\n{'#' * 55} ")
SESSION.close()
print("Authentication Failed")
except AttributeError:
print("Parsing Error, Please check the command")
except:
print("Can not connect to Device")
cisco_parse_version(**devnet_csr)
--------------------
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This Video demonstrates how to parse Cisco show command output
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