Multi-vendor library to simplify CLI connections to network devices

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Overview

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Netmiko

Multi-vendor library to simplify CLI connections to network devices


Why Netmiko?

Network automation to screen-scraping devices is primarily concerned with gathering output from show commands and with making configuration changes.

Netmiko aims to accomplish both of these operations and to do it across a very broad set of platforms. It seeks to do this while abstracting away low-level state control (i.e. eliminate low-level regex pattern matching to the extent practical).


Getting Started


Examples

You really should look here.


Supported Platforms

PLATFORMS


Installation

To install netmiko, simply us pip:

$ pip install netmiko

API-Documentation

API-Documentation


Common Issues/FAQ

Answers to some common questions


Tutorials


Getting Started:

Create a dictionary representing the device.

Supported device_types can be found in ssh_dispatcher.py, see CLASS_MAPPER keys.

from netmiko import ConnectHandler

cisco_881 = {
    'device_type': 'cisco_ios',
    'host':   '10.10.10.10',
    'username': 'test',
    'password': 'password',
    'port' : 8022,          # optional, defaults to 22
    'secret': 'secret',     # optional, defaults to ''
}

Establish an SSH connection to the device by passing in the device dictionary.

net_connect = ConnectHandler(**cisco_881)

Execute show commands.

output = net_connect.send_command('show ip int brief')
print(output)
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0              unassigned      YES unset  down                  down
FastEthernet1              unassigned      YES unset  down                  down
FastEthernet2              unassigned      YES unset  down                  down
FastEthernet3              unassigned      YES unset  down                  down
FastEthernet4              10.10.10.10     YES manual up                    up
Vlan1                      unassigned      YES unset  down                  down

Execute configuration change commands (will automatically enter into config mode)

config_commands = [ 'logging buffered 20000',
                    'logging buffered 20010',
                    'no logging console' ]
output = net_connect.send_config_set(config_commands)
print(output)
pynet-rtr1#config term
Enter configuration commands, one per line.  End with CNTL/Z.
pynet-rtr1(config)#logging buffered 20000
pynet-rtr1(config)#logging buffered 20010
pynet-rtr1(config)#no logging console
pynet-rtr1(config)#end
pynet-rtr1#

API-Documentation

API Documentation

Below are some of the particularly handy Classes/functions for easy reference:


Contributing

Contributors are welcome.

You can contribute to Netmiko in a variety of ways: answering questions on Slack (see below in Questions/Discussions), responding to issues, adding to the common issues, reporting/fixing bugs, or even adding your own device type.

Before contributing a new vendor/platform device type, remember that any code added needs to be supported in some fashion. To add a vendor/platform you can follow the outline here. Once you've worked on your first pass of your driver and have it functional, you'll need to include test data in order for it to be merged into develop, you can see the general flow of how to do that here.

For all code contributions, please ensure that you have ran black against the code or your code will fail the Travis CI build.


Questions/Discussion

If you find an issue with Netmiko, then you can open an issue on this projects issue page here: https://github.com/ktbyers/netmiko/issues. Please make sure you've read through the common issues and examples prior to opening an issue. Please only open issues for bugs, feature requests, or other topics related to development of Netmiko. If you simply have a question, join us on Slack...

If you have questions or would like to discuss Netmiko, a #netmiko channel exists in this Slack workspace. To join, use this invitation. Once you have entered the workspace, then you can join the #netmiko channel.


Kirk Byers
Python for Network Engineers
https://pynet.twb-tech.com

Comments
  • Cannot import netmiko funtion

    Cannot import netmiko funtion

    Dears, I am a beginner on Python programing. I want to code script files ( on Microsoft windows) to perform some command line on a cisco network device. I installed Python 2.7.12 on window 7. I perform as your guidle line: https://pynet.twb-tech.com/blog/automation/netmiko.html. But when i use the "from netmiko import ConnectHandler", it is not correct, it appear : "IndentationError: unexpected indent". Please help me to fix it? Thank you very much.

    opened by doquocuy285 57
  • Huawei special_login_handler is not logging in successfully

    Huawei special_login_handler is not logging in successfully

    The system information is as follows:

    1. netmiko version: 4.0
    2. python 3.10
    3. window 11

    error_print:

    Traceback (most recent call last):
      File "E:\web_API\test.py", line 11, in <module>
        app.net_ssh_proxy(switch_json = switch_json, commands=commands)
      File "E:\web_API\app.py", line 25, in net_ssh_proxy
        with ConnectHandler(**device_info, sock=sock) as net_connect:
      File "E:\venv_02\lib\site-packages\netmiko\ssh_dispatcher.py", line 344, in ConnectHandler
        return ConnectionClass(*args, **kwargs)
      File "E:\venv_02\lib\site-packages\netmiko\base_connection.py", line 434, in __init__
        self._open()
      File "E:\venv_02\lib\site-packages\netmiko\base_connection.py", line 439, in _open
        self.establish_connection()
      File "E:\venv_02\lib\site-packages\netmiko\base_connection.py", line 1092, in establish_connection
        self.special_login_handler()
      File "E:\venv_02\lib\site-packages\netmiko\huawei\huawei.py", line 105, in special_login_handler
        output = self.read_until_pattern(password_change_prompt)
      File "E:\venv_02\lib\site-packages\netmiko\base_connection.py", line 631, in read_until_pattern
        raise ReadException(msg)
    netmiko.exceptions.ReadException: Unable to successfully split output based on pattern:
    pattern=((Change now|Please choose))|([\]>]\s*$)
    output='\nInfo: The max number of VTY users is 21, the number of current VTY users online is 2, and total number of terminal users online is 2.\n      The current login time is 2022-03-28 15:55:30+08:00.\n<xxxx_hostname>'
    results=['\nInfo: The max number of VTY users is 21, the number of current VTY users online is 2, and total number of terminal users online is 2.\n      The current login time is 2022-03-28 15:55:30+08:00.\n<xxxx_hostname', None, None, '>', '']
    
    

    test instanse 2. python 3.10 3. window 11 Netmiko 3.4.0 Release

    out_print

    no problem

    bug 
    opened by quinntwohao 52
  • Enterasys SecureStack doesn't need enable() and disable_paging()

    Enterasys SecureStack doesn't need enable() and disable_paging()

    I'm testing netmiko with my Enterasys SecureStack switches/routers and, at first it didn't work:

    ValueError: Failed to enter enable mode.

    So I looked at the code and it seems that it was only testes and I'm supposing that it was only testes on enterasys routers. I commented out the self.enable() and self.disable_paging() and it worked correctly with my devices.

    So I thought: should we create another class, say EnterasysSecurestackSSH or something like that so that we don't break backward compatibility and add support to other devices?

    If this should be the solution, I can make a pull request.

    Thanks for the time.

    opened by tevaum 44
  • NX-OS device terminating connection in check_config_mode

    NX-OS device terminating connection in check_config_mode

    Hello,

    I got connection closed exception when I send many interface commands to cisco nexus device. On CLI, device can handle this many commands, but on script, it gives exception.

    If I give keep_alive, why connection still be closed by remote?

    Socket exception: An existing connection was forcibly closed by the remote host (10054) Traceback (most recent call last): File "d:.......\Python\Python37\lib\site-packages\netmiko\base_connection.py", line 1739, in send_config_set output += self.exit_config_mode() File "d:.......\Python\Python37\lib\site-packages\netmiko\cisco_base_connection.py", line 44, in exit_config_mode return super().exit_config_mode(exit_config=exit_config, pattern=pattern) File "d:.......\Python\Python37\lib\site-packages\netmiko\base_connection.py", line 1615, in exit_config_mode if self.check_config_mode(): File "d:.......\Python\Python37\lib\site-packages\netmiko\cisco\cisco_nxos_ssh.py", line 27, in check_config_mode return super().check_config_mode(check_string=check_string, pattern=pattern) File "d:.......\Python\Python37\lib\site-packages\netmiko\cisco_base_connection.py", line 30, in check_config_mode return super().check_config_mode(check_string=check_string, pattern=pattern) File "d:.......\Python\Python37\lib\site-packages\netmiko\base_connection.py", line 1582, in check_config_mode output = self.read_until_pattern(pattern=pattern) File "d:.......\Python\Python37\lib\site-packages\netmiko\base_connection.py", line 618, in read_until_pattern return self._read_channel_expect(*args, **kwargs) File "d:.......\Python\Python37\lib\site-packages\netmiko\base_connection.py", line 543, in _read_channel_expect raise EOFError("Channel stream closed by remote device.") EOFError: Channel stream closed by remote device.

    ['interface Ethernet1/1', 'no switchport', 'no description', 'no speed auto', ... omit ... 'interface Ethernet1/60', 'no switchport', 'no description', 'no speed auto']

    net = ConnectHandler(device_type=self.deviceType, ip=self.host, username=self.username, password=self.password, global_delay_factor=3, keepalive=10) output = net.send_config_set(commands, cmd_verify=False)

    opened by lazhao123 41
  • SSH Proxy support not working

    SSH Proxy support not working

    SSH Proxy support is not working. I have it working linux > to linux > to linux (using netmiko), but when I try to do linux > to linux > to cisco it fails with the below.

    paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

    I can get linux > to linux > to cisco working from command line.

    On the Cisco side, it looks like it sends the banner:

    Feb 2 13:15:17.572 PST: SSH0: starting SSH control process Feb 2 13:15:17.572 PST: SSH0: sent protocol version id SSH-2.0-Cisco-1.25 Feb 2 13:15:24.508 PST: SSH0: protocol version id is - SSH-2.0-paramiko_1.15.2 Feb 2 13:15:24.508 PST: SSH2 0: send:packet of length 416 (length also includes padlen of 11) Feb 2 13:15:24.508 PST: SSH2 0: send:packet of length 72 (length also includes padlen of 7) Feb 2 13:15:24.608 PST: SSH0: Session disconnected - error 0x00

    On the Paramiko side, it looks like it thinks there is no banner to be read.

    ~/.ssh/config looks as follows:

    host 50.76.53.27:22 user pyclass hostname 50.76.53.27 Port 22 ProxyCommand ssh [email protected] nc %h %p

    There were some other errors that I had to fix to get the ssh_config parsing working. Fixes for these are committed in https://github.com/ktbyers/netmiko/commit/649dbcd4e10eb497e285662e4410ae45038fd15a

    Netmiko 1_1 
    opened by ktbyers 40
  • Output of show tech-support on Cisco devices

    Output of show tech-support on Cisco devices

    Hello @ktbyers,

    I was wondering what is the right way of getting show tech-support command output from multiple Cisco devices. This output takes from 20-30 minutes depending on many factors (Number of switches in a stack, IOS version, etc.). There is no room for tries as you cannot stop the output. CTRL+C/CTRL+Z/CTRL+SHIFT+6 has no effect on stopping the output from being displayed.

    My Code is:

    #!usr/bin python3
    
    from netmiko import ConnectHandler
    
    ipaddrs = ["", "", "", "", ""]
    
    devices = []
    for ip in ipaddrs:
        devices.append(
            {
                "device_type": "cisco_ios_telnet",
                "ip": ip,
                "username": "cisco",
                "password": "cisco",
                "fast_cli": False,
                "conn_timeout": 15,
                "session_log": f"{ip}-session.log",
            }
        )
    
    for device in devices:
        with ConnectHandler(**device) as net_connect:
            print(f'Connected to {device["ip"]}')
            hostname = net_connect.send_command("show version", use_textfsm=True)[0][
                "hostname"
            ]
            tech_support = net_connect.send_command("show tech-support", delay_factor=20)
    
        with open(f"{hostname}.txt", "w") as outfile:
            outfile.write(tech_support.lstrip())
    
        print(f'tech support of {device["ip"]} is saved successfully to {hostname}.txt')
    
    print("Done")
    
    

    Do you think this code will work in normal conditions: The devices are up and running and there are no issues in connecting to the devices?

    My actual code has a try/except block for catching errors.

    opened by Tes3awy 39
  • Generic Terminal Server Device Type

    Generic Terminal Server Device Type

    FYI, I have created a 'terminal_server' device_type. The general idea is that it won't do anything post SSH connection (or won't do much anyways).

    Consequently, post SSH connection, you can then do:

    >>> net_connect.write_channel("\r")
    >>> net_connect.read_channel()
    '\r\npynet-rtr1#'
    

    In other words, you can directly interact with the terminal server to get logged-in to the end network device.

    Once you have done this, you can then redispatch the connect (i.e. reset the device_type and class to the proper netmiko class.

    >>> from netmiko import redispatch
    
    # Dynamically reset the class back to CiscoIosSSH
    >>> redispatch(net_connect, device_type='cisco_ios')
    >>> 
    >>> net_connect.device_type
    'cisco_ios'
    >>> net_connect.__class__
    <class 'netmiko.cisco.cisco_ios.CiscoIosSSH'>
    
    >>> net_connect.base_prompt
    'pynet-rtr1'
    

    I am looking for people that are able to test this?

    opened by ktbyers 39
  • OError: Search pattern never detected in send_command_expect

    OError: Search pattern never detected in send_command_expect

    The issue I am facing occurs when running the following code :

    import netmiko

    connection = netmiko.ConnectHandler(ip="*...", device_type="linux", username="admin", password="admin") output = (connection.send_command("admin display-config")) print(output) connection.disconnect()

    When I change "connection.send_command(admin display-config") to "connection.send_command (ping 8.8.8.8)", it runs fine and returns the ping results. When I enter the code line by line in python cli, it returns the correct output of the command "display admin-config".

    opened by TechDawg 38
  • SSH to an ASA from a Jump router

    SSH to an ASA from a Jump router

    I need to ssh to an ASA after ssh into a jump router. I tried to use Connect Handler twice but not sure if that's the right way to do it. Can you please advise Kirk??

    opened by sdulloo 38
  • Palo Alto Issue with set cli terminal width

    Palo Alto Issue with set cli terminal width

    I have been trying to connect to Palo Alto firewall using netmiko to pull running configuration. Whenever i try, i get authentication error even though the credentials are correct. The Palo has the banner acknowledgement enabled.

    ====================================================================== Please see the script below

    import getpass from netmiko import ConnectHandler

    username = input('Username: ')
    password = getpass.getpass('Password: ')
    
    ip = input('Enter device ip: ')
    ips = str(ip)
    test = {
            'device_type': 'paloalto_panos', 
            'host': ips,
            'username': username, 
            'password': password,
            
        }
    tcon = ConnectHandler(**test)
    
    print('CONNECTED: ', ip)
       
    palo_cmds = ['set cli pager off', 'show config running']
    
    for show_cmd in palo_cmds:
        time.sleep(5)
        int_stat_result = tcon.send_command(show_cmd, cli_verify=False)
    time.sleep(5)
    

    print(int_stat_result)

    ========================================================== RESULTS WHEN I RUN THE SCRIPT

            Enter device ip: 10.8.250.88
           Authentication to device failed.
    

    Common causes of this problem are:

    1. Invalid username and password
    2. Incorrect SSH-key file
    3. Connecting to the wrong device

    Device settings: paloalto_panos 10.8.250.88:22

    Authentication failed.

    ===========================================================

    @ktbyers and team, please help me here.

    opened by rookyere 36
  • Juniper - ValueError: Router prompt not found: '%'

    Juniper - ValueError: Router prompt not found: '%'

    I am trying to use netmiko on a Juniper SRX but I am hitting Router prompt not found: error. Any help is appreciated.

    Below is the exact error

      File "/home/user/eclipse-workspace/PyEZ/NetMiko-2.py", line 17, in <module>
        net_connect = ConnectHandler(**a_device)
      File "/usr/local/lib/python3.6/dist-packages/netmiko/ssh_dispatcher.py", line 131, in ConnectHandler
        return ConnectionClass(*args, **kwargs)
      File "/usr/local/lib/python3.6/dist-packages/netmiko/base_connection.py", line 152, in __init__
        self.session_preparation()
      File "/usr/local/lib/python3.6/dist-packages/netmiko/juniper/juniper_ssh.py", line 25, in session_preparation
        self.set_base_prompt()
      File "/usr/local/lib/python3.6/dist-packages/netmiko/base_connection.py", line 672, in set_base_prompt
        raise ValueError("Router prompt not found: {0}".format(repr(prompt)))
    ValueError: Router prompt not found: '%'
    

    Below is my code

    from netmiko import ConnectHandler
    from datetime import datetime
    
    juniper_srx = {
        'device_type': 'juniper',
        'ip':   '10.1.34.130',
        'username': 'root',
        'password': 'Password',
        'port': 22,               # there is a firewall performing NAT in front of this device
        'verbose': False,
        } 
    
    all_devices = [juniper_srx]
    
    start_time = datetime.now()
    for a_device in all_devices:
        net_connect = ConnectHandler(**a_device)
        print ("1")
        output = net_connect.send_command("show interfaces terse")
        print ("\n\n>>>>>>>>> Device {0} <<<<<<<<<").format(a_device['device_type'])
        print (output)
        print (">>>>>>>>> End <<<<<<<<<") 
        
    end_time = datetime.now()
    
    total_time = end_time - start_time 
    print (total_time)
    
    bug 
    opened by Zalek-Git 35
  • Issues with ConnectHandler on netmiko 4.1.2  to Huawei platforms.

    Issues with ConnectHandler on netmiko 4.1.2 to Huawei platforms.

    Python 3.9.7 Python 3.8.2 Netmiko 4.1.2

    There is an intermittent issue when trying to connect via netmiko to the following huawei platforms:

    S5320
    S6320

    Some times it works fine and I face no issues (20% of the times) and other times I am getting back one of the following exceptions:

    Please see picture attached. image

    Please note that the same piece of code works fine for other paltforms and huawei devices such as:

    ATN CE6855

    opened by Higgigs 0
  • dell: fix save_config for Dell Force10 / OS9 devices

    dell: fix save_config for Dell Force10 / OS9 devices

    On a Dell S4048-ON switch running OS9 version 9.14(2.5), the current save_config() implementation does not work:

    sw#copy running-configuration startup-configuration
    % Error: The source file does not exist.
    

    There are two ways to save on OS9: either "copy running-config startup-config" (but it requires a confirmation), or "write memory". We use the latter to avoid dealing with the confirmation prompt.

    Also tested on a Dell S4810 running Dell OS 8.3.10.1, it has the same behaviour.

    Unfortunately I don't have access to a device with the original Force10 OS, but according to old manuals found online, "write memory" seems to also be supported.

    opened by jonglezb 0
  • Improve performance for Dell force10 and OS10 devices

    Improve performance for Dell force10 and OS10 devices

    Defining a pattern is necessary to get good performance, otherwise Netmiko falls back to a sleep-based mechanism (read_channel_timing) for many common operations.

    opened by jonglezb 0
  • Add Hillstone device type

    Add Hillstone device type

    Hello,ktbyer, please review and consider this PR to enable support for hillstone (https://www.hillstonenet.com/)

    Support for:

    SSH send commands save config

    I had run tests for ssh connection. show and config and save config Test run output bellow,

    PS D:\netmiko\tests> py.test -v test_netmiko_show.py --test_device hillstone ============================================================================================================================ test session starts ============================================================================================================================ platform win32 -- Python 3.8.0, pytest-7.2.0, pluggy-1.0.0 -- d:\python38\python.exe cachedir: .pytest_cache rootdir: D:\netmiko, configfile: setup.cfg collected 25 items

    test_netmiko_show.py::test_failed_key SKIPPED (Not using SSH-keys) [ 4%] test_netmiko_show.py::test_disable_paging PASSED [ 8%] test_netmiko_show.py::test_terminal_width PASSED [ 12%] test_netmiko_show.py::test_ssh_connect PASSED [ 16%] test_netmiko_show.py::test_ssh_connect_cm PASSED [ 20%] test_netmiko_show.py::test_send_command_timing PASSED [ 24%] test_netmiko_show.py::test_send_command_timing_no_cmd_verify SKIPPED [ 28%] test_netmiko_show.py::test_send_command PASSED [ 32%] test_netmiko_show.py::test_send_command_no_cmd_verify SKIPPED [ 36%] test_netmiko_show.py::test_complete_on_space_disabled SKIPPED [ 40%] test_netmiko_show.py::test_send_command_textfsm SKIPPED (TextFSM/ntc-templates not supported on this platform) [ 44%] test_netmiko_show.py::test_send_command_ttp SKIPPED (TTP template not existing for this platform) [ 48%] test_netmiko_show.py::test_send_command_genie SKIPPED (Genie not supported on this platform) [ 52%] test_netmiko_show.py::test_send_multiline_timing SKIPPED [ 56%] test_netmiko_show.py::test_send_multiline SKIPPED [ 60%] test_netmiko_show.py::test_send_multiline_prompt SKIPPED [ 64%] test_netmiko_show.py::test_send_multiline_simple SKIPPED [ 68%] test_netmiko_show.py::test_base_prompt PASSED [ 72%] test_netmiko_show.py::test_strip_prompt PASSED [ 76%] test_netmiko_show.py::test_strip_command PASSED [ 80%] test_netmiko_show.py::test_normalize_linefeeds PASSED [ 84%] test_netmiko_show.py::test_clear_buffer PASSED [ 88%] test_netmiko_show.py::test_enable_mode PASSED [ 92%] test_netmiko_show.py::test_disconnect PASSED [ 96%] test_netmiko_show.py::test_disconnect_no_enable SKIPPED [100%]

    ========================================================================================================================== short test summary info ========================================================================================================================== SKIPPED [1] test_netmiko_show.py:25: Not using SSH-keys SKIPPED [1] test_netmiko_show.py:88: Skipped SKIPPED [1] test_netmiko_show.py:106: Skipped SKIPPED [1] test_netmiko_show.py:128: Skipped SKIPPED [1] test_netmiko_show.py:149: TextFSM/ntc-templates not supported on this platform SKIPPED [1] test_netmiko_show.py:171: TTP template not existing for this platform SKIPPED [1] test_netmiko_show.py:211: Genie not supported on this platform SKIPPED [1] test_netmiko_show.py:231: Skipped SKIPPED [1] test_netmiko_show.py:247: Skipped SKIPPED [1] test_netmiko_show.py:272: Skipped SKIPPED [1] test_netmiko_show.py:296: Skipped SKIPPED [1] test_netmiko_show.py:401: Skipped ====================================================================================================================== 13 passed, 12 skipped in 19.74s ====================================================================================================================== PS D:\netmiko\tests> py.test -v test_netmiko_config.py --test_device hillstone ============================================================================================================================ test session starts ============================================================================================================================ platform win32 -- Python 3.8.0, pytest-7.2.0, pluggy-1.0.0 -- d:\python38\python.exe cachedir: .pytest_cache rootdir: D:\netmiko, configfile: setup.cfg collected 13 items

    test_netmiko_config.py::test_ssh_connect PASSED [ 7%] test_netmiko_config.py::test_enable_mode PASSED [ 15%] test_netmiko_config.py::test_config_mode PASSED [ 23%] test_netmiko_config.py::test_exit_config_mode PASSED [ 30%] test_netmiko_config.py::test_config_set PASSED [ 38%] test_netmiko_config.py::test_config_set_generator PASSED [ 46%] test_netmiko_config.py::test_config_set_longcommand PASSED [ 53%] test_netmiko_config.py::test_config_hostname PASSED [ 61%] test_netmiko_config.py::test_config_from_file SKIPPED [ 69%] test_netmiko_config.py::test_config_error_pattern SKIPPED (No error_pattern defined.) [ 76%] test_netmiko_config.py::test_banner SKIPPED (No banner defined.) [ 84%] test_netmiko_config.py::test_global_cmd_verify SKIPPED (No banner defined.) [ 92%] test_netmiko_config.py::test_disconnect PASSED [100%]

    ========================================================================================================================== short test summary info ========================================================================================================================== SKIPPED [1] test_netmiko_config.py:163: Skipped SKIPPED [1] test_netmiko_config.py:175: No error_pattern defined. SKIPPED [1] test_netmiko_config.py:209: No banner defined. SKIPPED [1] test_netmiko_config.py:242: No banner defined. ======================================================================================================================= 9 passed, 4 skipped in 5.87s ======================================================================================================================== PS D:\netmiko\tests> py.test -v test_netmiko_save.py --test_device hillstone ============================================================================================================================ test session starts ============================================================================================================================ platform win32 -- Python 3.8.0, pytest-7.2.0, pluggy-1.0.0 -- d:\python38\python.exe cachedir: .pytest_cache rootdir: D:\netmiko, configfile: setup.cfg collected 2 items

    test_netmiko_save.py::test_save_base PASSED [ 50%] test_netmiko_save.py::test_disconnect PASSED [100%]

    ============================================================================================================================= 2 passed in 7.28s ============================================================================================================================= PS D:\netmiko\tests>

    opened by Linn15 0
  • Auto-add users to Cisco FTD

    Auto-add users to Cisco FTD

    Hello. I'm trying to add users to Cisco FTD automatically using paramiko. Adding Users by "configure user add" works fine but if a newly added user logs in to the device he needs to enter a new password instantly and the pattern of the base prompt does not appear. Any suggestions how to fix this?

    Output from FTD: Cisco Firepower Extensible Operating System (FX-OS) v2.10.1 (build 175) Cisco Firepower 1140 Threat Defense v7.0.1 (build 84)

    Hello testuser. You must change your password. Enter new password: Confirm new password: exit

    Error `netmiko.exceptions.ReadTimeout:

    Pattern not detected: '[>#]' in output.

    Things you might try to fix this:

    1. Adjust the regex pattern to better identify the terminating string. Note, in many situations the pattern is automatically based on the network device's prompt.
    2. Increase the read_timeout to a larger value.

    You can also look at the Netmiko session_log or debug log for more information.`

    opened by TwoFace24 0
  • Paramiko   Errno 11001 getaddrinfo failed

    Paramiko Errno 11001 getaddrinfo failed

    Hello! I have some proble when i try use this code. So I get error like : "Errno 11001 getaddrinfo failed" I have acess for all my devices by SSH and ICMP(ping). How i can fix this?

    > import time
    > from datetime import datetime
    > import paramiko
    > 
    > login = 'ciscogtkz'
    > passw = 'Jkbvgbflf80'
    > 
    > client = paramiko.SSHClient()
    > client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    > file = open('device.txt', 'r')
    > 
    > for line in file:
    >     timestamps = str(datetime.now())
    >     print('Timestamp:', timestamps)
    > 
    >     def connector():
    >         print('Connecting to IP:' + line)
    >         client.connect(line, username=login, password=passw, look_for_keys=False, allow_agent=False)
    > 
    >     try:
    >         connector()
    >         with client.invoke_shell() as ssh:
    >              ssh.send('enable\n')
    >              ssh.send('terminal length 0\n')
    >              ssh.send('show running-config\n')
    >              time.sleep(10)
    >              result = ssh.recv(10000).decode("utf-8")
    >              fo = open(line.strip() + '.txt', 'w')
    >              fo.writelines(result)
    >              fo.close()
    > 
    >     except Exception as e:
    >         error_log = str(e)
    >         print(error_log + '\n')
    > 
    > file.close()
    
    opened by DOTTRAM 4
Releases(v4.1.2)
  • v4.1.2(Aug 9, 2022)

    New Driver

    • Audiocode Driver by @Gatorjosh14 in https://github.com/ktbyers/netmiko/pull/2869

    Bugs and Improvements

    • Improve disconnect behavior by @ktbyers in https://github.com/ktbyers/netmiko/pull/2846
    • Improve encoding behavior by @ktbyers in https://github.com/ktbyers/netmiko/pull/2847
    • Fix textfsm dependency issue by pinning to 1.1.2 by @ktbyers in https://github.com/ktbyers/netmiko/pull/2850
    • Proposed Cisco WLC fix for session_preparation() problems by @ktbyers in https://github.com/ktbyers/netmiko/pull/2822
    • Added Versa FlexVNF platform to SSH autodetect by @dn-gh in https://github.com/ktbyers/netmiko/pull/2851
    • Nokia global_cmd_verify default fix by @laimaretto in https://github.com/ktbyers/netmiko/pull/2856
    • Fix issue with redispatch not working due to no data by @ktbyers in https://github.com/ktbyers/netmiko/pull/2867
    • Fix generator bug in send_config_set by @ktbyers in https://github.com/ktbyers/netmiko/pull/2890
    • Fix to accommodate single character prompts in set_base_prompt by @ktbyers in https://github.com/ktbyers/netmiko/pull/2891
    • Adding check that key_file exists if use_keys is True by @ktbyers in https://github.com/ktbyers/netmiko/pull/2892
    • Minor session_log test updates by @ktbyers in https://github.com/ktbyers/netmiko/pull/2894

    New Contributors

    • @dn-gh made their first contribution in https://github.com/ktbyers/netmiko/pull/2851
    Source code(tar.gz)
    Source code(zip)
  • v4.1.1(Jun 28, 2022)

    New Drivers

    • Add Nokia SRLinux Support
    • Add Mikrotik File Transfer Support

    Performance Improvements

    • Performance Improvements for Linux Driver
    • Improve Performance Graphs

    Bug Fixes / Improvements

    • Better Error Messages for Incompatible Python Versions
    • Improve Huawei Driver
    • Improve Huawei VRPv8 Driver
    • Improve HPE ProCurve Driver
    • Improving Junos context stripping patterns
    • Improve MikroTik Driver
    • Fix for Extreme ERS login issues
    • Minor update to threading calls in Netmiko Tools
    • Increase save_config default timeout for Cisco-based platforms
    Source code(tar.gz)
    Source code(zip)
  • v4.1.0(Apr 27, 2022)

    Performance Improvements

    • Improve performance in Junos config_mode() and check_config_mode() methods.
    • Improve performance on disconnect() method.
    • Improve slow NX-OS disconnect()
    • Improve slow Junos disconnect()

    Bug Fixes and other Improvements

    • Update VyOS save_config()
    • Fix read_timeout being excessively long in case where check_config() fails
    • Fix Huawei regular expression issue
    • Fix Huawei login issue
    • Improve Juniper enter_cli_mode()
    • Fix issue with Nokia SROS MD-CLI having square bracket data being removed
    • Fix issue with 'write memory' on ubiquity edge switches
    • Fix extreme exos read-only account issue
    • Add Cisco WLC _send_command_w_yes() method
    • Fix Cisco IOS, IOS-XE, and IOS-XR abbreviating prompt in config mode
    • Fix Aruba controller paging issue
    • Fix fortigate autodetect
    • Fixing HP Procurve session_preparation issue on repeated connection

    Python Version Support

    • Remove PY3.6 Support
    • Add PY3.10 Support
    Source code(tar.gz)
    Source code(zip)
  • v4.0.0(Mar 23, 2022)

    Backwards incompatible and other major changes

    • Convert send_command to use read_timeout.
    • Convert send_command_timing to use read_timeout and last_read
    • Add type hints and mypy support
    • Relocate exceptions module to netmiko.exceptions (was ssh_exceptions)
    • Add read_timeout argument to send_config_set
    • Convert netmiko-tools to be an entry point and directly a part of Netmiko library
    • Creating a new internal Channel class
    • Restructure read methods
    • Implement NoEnable and NoConfig inheritance classes to standardize no-config and no-enable behavior

    Related Articles

    Major new features

    • Add send_multiline() method
    • Add send_multiline_timing() method
    • Create new Netmiko factory function named ConnLogOnly
    • Create new Netmiko factory function named ConnUnify

    Related Articles

    New Drivers

    • Cisco Viptela Driver
    • Dell SONiC Driver
    • Cisco S300 Telnet Driver
    • Allied Telesis AlliedWare Plus Driver
    • Zyxel Driver
    • Extreme Tierra OS Driver
    • Extreme EXOS Secure Copy Support

    Minor Enhancements

    • Centralize standard no_auth code into SSHClient_noauth
    • Remove vendored Textfsm library code
    • Add a shim for cisco_xe to use cisco_ios in ntc-templates
    • WLC add method send_command_w_yes to handle show command that still prompts for pagination
    • Platforms added to SSH autodetect
    • Expand ANSI escape code stripping
    • Expand SNMP autodetect support

    Bug Fixes

    • Fix read ahead issue with read methods
    • Fix ntc-templates directory structure issue
    • Aruba OS fix for hostname changes
    • Fix flexvnf enter cli and prompt issue
    • Fix path issue for pip installed ntc-templates when using PY3.9
    • Mikrotik driver improvements and fixes
    • Fixing IOS-XR confirm prompting issue during commit
    • Fix the pan-os acknowledgment banner
    • Fix Juniper ScreenOS accept issue
    • Add support for Username: for telnet login on ProCurve
    • Change ArubaOS command to disable paging
    • utf-8 encoding for session_log
    • Add bypass_commands support to send_config_set to disable cmd_verify
    • Fix disconnect() call for Dlink DS driver
    • Prevent secret from being leaked to debug log
    • Fix send_command() read issue where data spanned the deque
    • Improve set_base_prompt behavior
    • Increase the default conn_timeout to 10 seconds improve Paramiko behavior on slow connections

    Performance Improvements

    • Fix IOS-XR performance issues
    • Implement Netmiko performance improvements for a large set of drivers (about half the drivers)
    • Fixing Linux very slow disconnect issue
    Source code(tar.gz)
    Source code(zip)
  • v3.4.0(Apr 23, 2021)

    New Features

    • Add error_pattern argument to send_config_set() and send_config_from_file() to allow configuration to stop when pattern is detected.
    • Add run_ttp method to support more complex TTP interactions.
    • Juniper performance improvements.
    • ASA performance improvements.
    • Add telnet support to AdtranOS

    New Drivers

    • Allied Telesis AlliedWare Plus
    • Brocade Fabric OS
    • C-DOT CROS
    • Ericsson IPOS
    • Supermicro SMIS

    Bug fixes/improvements

    • Fixing Palo Alto line repaint issue
    • Fixing F5 TMSH disconnect process
    • Fix IOS-XR exit_config_mode issue
    • Fixing some enable method state issues
    • Fixing SR-OS remote file size
    • Fixing issue with remote_file_size parsing failure
    • Fix ASA enable() issue in session_preparation
    • Fix Yamaha enter issue on exit enable mode
    • Fix Yamaha telnet enter issue
    • F5 TMOS driver update
    • Fix newlines on Cisco NX-OS
    • Fixes an issue with ssh _autodetect_remote_version
    • Fix tplink_jetstream to support cryptography 3.1+
    • Allowing Dell OS10 to support hyphen or space
    • Fix authentication exception handling
    • Improve ssh_autodetect so most common command happens first.
    • Fix dell_force10 autodetect
    Source code(tar.gz)
    Source code(zip)
  • v3.3.3(Feb 1, 2021)

    New Drivers

    • Add Ericcson IPOS Support
    • Adtran Telnet Support

    Performance Improvements

    • Juniper Performance Improvements
    • Cisco ASA Performance Improvements

    Bugs and Enhancements

    • Improve Authentication Exception Handling
    • FIX Cryptography Lib Change Issue
    Source code(tar.gz)
    Source code(zip)
  • v3.3.2(Oct 1, 2020)

    New Features

    • Add support for PIP installable ntc-templates
    • Add support for TTP templates

    Performance Improvements

    • Cisco NX-OS Performance Improvements
    • Cisco IOS-XR Performance Improvements
    • Arista Performance Improvements

    New Drivers

    • Cisco FTD Driver
    • Ubiquity EdgeRouter
    • TPLink JetStream

    Bug Fixes

    • Secure Copy Progress Bar fix for get Operation
    Source code(tar.gz)
    Source code(zip)
  • v3.3.0(Sep 1, 2020)

    New Drivers

    • Netgear ProSafe
    • Adtran OS

    Bug Fixes and Improvements

    • Changed SSH terminal height in CiscoXrBase (#1876)
    • XR commit comment change (#1880)
    • Fix broken "enable" on Nokia SR-OS driver (#1870)
    • Test updates
    • Fix WLC conn_timeout issue (#1897)

    Performance Improvements

    • Improve Session Preparation Behavior (#1854)
    • Significant Improvements for IOS and IOS-XE (#1902)
    Source code(tar.gz)
    Source code(zip)
  • v3.2.0(Jul 31, 2020)

    New Platforms

    • 6Wind
    • Broadcom ICOS
    • Centec Networks
    • Raisecom ROAP
    • Yamaha
    • ZTE ZXROS

    New Features

    • Secure Copy Progress Bar
    • Add conn_timeout argument (controls timeout of TCP connection)

    Misc

    • Convert CI-CD to GitHub Actions
    • Bugfixes
    Source code(tar.gz)
    Source code(zip)
  • v3.1.1(May 18, 2020)

    New Drivers/Platforms

    • UnifiSwitchSSH
    • Huawei OLT
    • Huawei SmartAX

    Bugs and Improvements

    • Nokia SR-OS SCP Support
    • Improve terminal width behavior
    • Fix some issues related to cmd_verify
    • Expanded autodetect support
    Source code(tar.gz)
    Source code(zip)
  • v3.1.0(Mar 23, 2020)

    New Platforms / Transports

    • D-Link DGS/DES
    • WatchGuard Firebox
    • Sophos SG Firewalls
    • Huawei Telnet Support

    Bug Fixes/Enhancements

    • Add cmd_verify argument to send_command
    • Add global_cmd_verify argument to ConnectHandler
    Source code(tar.gz)
    Source code(zip)
  • v3.0.0(Jan 16, 2020)

    Key enhancements/changes

    • PY3.6+ support only (all support for PY27 removed)
    • Significant reliability improvements to reduce loss of session state problems
    • Add support for direct use of TextFSM template
    • Allow custom socket timeout in SCP file_transfer
    • Improve MD5 hashing mechanism in SCP checks
    • Add sock parameter support
    • Increase default banner_timeout to 15

    New Drivers

    • Eltex ESR
    • Juniper ScreenOS
    • Ruijei RGOS

    Driver Updates

    • Huawei driver improvements
    • Ciena driver improvements
    • NX-OS driver improvements
    • Nokia SR-OS driver improvements
    • HP ProCurve driver improvements
    • Juniper Junos driver improvements
    • Fortinet banner fix
    • Ruckus handling of failed enable
    • Linux enable/sudo improvements
    Source code(tar.gz)
    Source code(zip)
  • v2.4.2(Sep 7, 2019)

    Barring critical bugs this should be the last Netmiko release that will support PY2

    New Drivers

    • Keymile

    Bug fixes

    • Fix session_log corruption bug

    Enhancements

    • Add support for ProxyJump in SSH config file
    • Add support for Linux prompt terminators via environment variables
    Source code(tar.gz)
    Source code(zip)
  • v2.4.1(Jul 25, 2019)

  • v2.4.0(Jul 7, 2019)

    New Platforms

    • VERSA Networks FlexVNF
    • Mikrotik
    • CloudGenix ION
    • MRV LX
    • Endace
    • Huawei telnet support
    • IOS-XR telnet support

    Enhancements

    • Switch docs to pdoc3
    • Add support for paramiko banner_timeout
    • Netmiko Tools search path for inventory file

    Bug fixes

    • Fixing MD5 / carriage return issue on NX-OS 9K
    • Use YAML safe_load
    • Fix NET_TEXTFSM path issues
    • Update save_config method params across platforms
    Source code(tar.gz)
    Source code(zip)
  • v2.3.3(Mar 8, 2019)

    • Use Python Black
    • Add OneAccess OneOS Support
    • Start building a wheel as part of release process
    • Bugfixes
    • Use environment markers for Poetry support
    Source code(tar.gz)
    Source code(zip)
  • v2.3.0(Oct 10, 2018)

    • Add Dell DNOS6 support
    • Add RAD ETX support
    • Add IP Infusion OcNOS support
    • Add Paramiko pkey, auth_timeout, and passphrase support.
    • Add support for unicode banners
    • Gracefully cleanup session on failures during session_preparation()
    • Bug fixes
    Source code(tar.gz)
    Source code(zip)
  • v2.2.2(Jul 19, 2018)

    • Add Dell EMC Isilon Support
    • Add Citrix NetScaler Support
    • Add Dell OS10 Support
    • Add Apresia Systems AEOS Support
    • Add fast_cli mode to Netmiko to improve performance
    • Add support for a session_log
    Source code(tar.gz)
    Source code(zip)
  • v2.1.1(Mar 22, 2018)

  • v2.1.0(Mar 7, 2018)

    • Add Juniper secure copy support
    • Add Arista secure copy support
    • Add IOS-XR secure copy support
    • Add new file_transfer function
    • Minor bugfixes
    Source code(tar.gz)
    Source code(zip)
  • v2.0.2(Feb 9, 2018)

    • Add generic save_config() method (synchronize running-config to startup-config)
    • Add Extreme telnet support
    • Add Huawei VRPV8 support
    • Minor bug fixes
    Source code(tar.gz)
    Source code(zip)
  • v2.0.1(Jan 8, 2018)

  • v2.0.0(Dec 15, 2017)

    Significant features/improvements

    • Add serial port connection support
    • Integrate TextFSM to send_command and send_command_timing
    • Generalize SCP support including adding NX-OS SCP support
    • Integrate timeout mechanism to be more generally usable
    • Abstract RETURN character
    • Generalize telnet support to be more modular.

    New Vendors/Platforms/Transports

    • Add NetApp cDOT support
    • Add Calix B6 support
    • Add Coriant support
    • Addi FastIron/NetIron telnet support.

    Various bugfixes

    Source code(tar.gz)
    Source code(zip)
  • v1.4.3(Sep 22, 2017)

    New Platforms

    • Ubiquity EdgeOS

    New Features

    • Add is_alive() connection verification

    Minor bug fixes and misc

    • Expand auto detection for more platforms
    • Convert debugging print statements to log messages
    • Fix Extreme and Enterasys enable issue
    • Fixing FastIron RADIUS login issue
    • Improve newline_normalization
    Source code(tar.gz)
    Source code(zip)
  • v1.4.2(Jul 7, 2017)

    New Platforms:

    • Alcatel-Lucent OmniSwitch AOS
    • Accedian
    • MRV Communications OptiSwitch

    Fixes:

    • Fix Huawei enable mode issue
    • Fix Huawei USGv5 and HA mode issue
    Source code(tar.gz)
    Source code(zip)
  • v1.4.1(Jun 1, 2017)

    • Add Extreme WiNG Support
    • Expand snmp_autodetect
    • Add Paramiko keepalive support
    • Raise EOFError if SSH channel closed
    • Fixing some re.escape issues
    Source code(tar.gz)
    Source code(zip)
  • v1.4.0(May 2, 2017)

    The following change is not backwards compatible

    • Fix SSH config file support to be standard host specifier
    # Previously you would use host:port specifiers in the SSH config file. 
    # Now the format should look as follows.
    
    host jumphost
      IdentityFile ~/.ssh/test_rsa
      user admin
      hostname myserver.us-west-1.compute.amazonaws.com
    
    host 10.10.10.70
      user cisco
      hostname 10.10.10.70
      Port 22
      ProxyCommand ssh jumphost nc %h %p
    

    Enhancements/Fixes

    • Add support for send_config_set with a string
    • Add ASA login support
    • Fix bugs with regular expression handling and re.escape
    • Improve timing issues with InLine Transfer on large files.
    • Integrate to readthedocs
    • Add some additional platforms to autodetect
    • Make the telnet code easier to reuse

    New Drivers / Improved Platform Support

    • Add Check Point gaia support
    • Add Dell PowerConnect Telnet support
    • Improve Extreme EXOS driver
    Source code(tar.gz)
    Source code(zip)
  • v1.3.0(Mar 24, 2017)

    New Platforms

    • Add support for Cisco Telepresence Endpoints
    • Add support for Mellanox
    • Add Dell PowerConnect support
    • Add terminal_server device type
    • Add Pluribus support

    Other improvements

    • Add redispatch capability
    • Add SSH autodetect feature
    • Bugfixes and improvements
    • Add SSH lock capability for added concurrency support
    Source code(tar.gz)
    Source code(zip)
  • v1.2.8(Feb 22, 2017)

    • Improvements to SCP to support additional SSH arguments
    • Improve code that verifies login happened correctly
    • Add Ciena SAOS (experimental)
    • Add Cisco Telepresence driver (experimental)
    Source code(tar.gz)
    Source code(zip)
  • v1.2.7(Jan 28, 2017)

Owner
Kirk Byers
Kirk Byers
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