Before reading further, make yourself familiar with How to Install Python and SSH with Python
import paramiko
import cmd
import time
import sys
buff = ''
resp = ''
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('192.168.1.66', username='cisco', password='cisco')
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
chan = ssh.invoke_shell()
# first we enable!
chan.send('en\n')
time.sleep(1)
#resp = chan.recv(9999)
#print resp
# enablepassword!
chan.send('cisco\n')
time.sleep(1)
#resp = chan.recv(9999)
#print resp
# get into config mode
#chan.send('conf t\n')
#time.sleep(1)
#resp = chan.recv(9999)
#print resp
# turn off paging
chan.send('terminal length 0\n')
time.sleep(1)
resp = chan.recv(9999)
#print (resp)
# Display how many users are connected to the IPSEC vpn
chan.send('sh ip int br')
chan.send('\n')
time.sleep(1)
resp = chan.recv(9999)
output = resp.decode('ascii').split('\n')
for line in output:
if 'up' in line:
print (line)
ssh.close()
Output with condition as per above code:
FastEthernet0/0 192.168.1.66 YES NVRAM up up
Output without condition:
sh ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 192.168.1.66 YES NVRAM up up
FastEthernet0/1 unassigned YES NVRAM administratively down down
R1#
