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Netmiko

Multi-vendor library to simplify Paramiko SSH connections to network devices

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Supported Platforms

Netmiko supports a wide range of devices. These devices fall into three categories:

Regularly Tested
Limited Testing
Experimental

Regularly tested means we try to run our full test suite against that set of devices prior to each Netmiko release.

Limited testing means the config and show operation system tests passed against a test on that platform at one point in time so we are reasonably comfortable the driver should generally work.

Experimental means that we reviewed the PR and the driver seems reasonable, but we don't have good data on whether the driver fully passes the unit tests or how reliably it works.

Click PLATFORMS for a list of all supported platforms.

Installation

To install netmiko, simply us pip:

$ pip install netmiko

Netmiko has the following requirements (which pip will install for you)

Paramiko >= 2.4.3
scp >= 0.13.2
pyserial
textfsm

Tutorials/Examples/Getting Started

Tutorials:

Example Scripts:

See the following directory for example scripts, including examples of:

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#

Common Issues/FAQ

Answers to some common questions

Topics covered in above document:

Handling commands that prompt for additional input
Enabling logging of all reads/writes of the communication channel
Redispatch -- or connecting through a terminal server

API-Documentation

API Documentation

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

TextFSM Integration

Netmiko has been configured to automatically look in ~/ntc-template/templates/index for the ntc-templates index file. Alternatively, you can explicitly tell Netmiko where to look for the TextFSM template directory by setting the NET_TEXTFSM environment variable (note, there must be an index file in this directory):

export NET_TEXTFSM=/path/to/ntc-templates/templates/

More info on TextFSM and Netmiko.

Contributing

Contributors are always welcome! You can contribute to Netmiko in a variety of ways: spreading the word about Netmiko, answering questions on Slack (see below in Quests/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 (much more so for the "regularly tested" devices and the core of Netmiko)! 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

Metadata

Release files for netmiko 2.4.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for netmiko 2.4.2
File	Size	Uploaded
netmiko-2.4.2.tar.gz	88.8 kB	Sep 7, 2019	Details

Built distribution (wheel)

Table of built distributions (wheels) for netmiko 2.4.2
File	Interpreter	ABI	Platform	Reset
netmiko-2.4.2-py2.py3-none-any.whl 144.8 kB Sep 7, 2019	Python 2, Python 3	none	any	Details

Total release size: 233.6 kB

Release files / netmiko-2.4.2.tar.gz

Download URL	netmiko-2.4.2.tar.gz
Size	88.8 kB
Tags	Source
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Upload date	Sep 7, 2019
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/1.13.0 pkginfo/1.4.2 requests/2.18.4 setuptools/41.0.1 requests-toolbelt/0.8.0 tqdm/4.28.1 CPython/3.6.8`

Release files / netmiko-2.4.2-py2.py3-none-any.whl

Download URL	netmiko-2.4.2-py2.py3-none-any.whl
Size	144.8 kB
Tags	Python 2 Python 3
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BLAKE2b-256 checksum How to use checksums	`2605dbe9c97c39f126e7b8dc70cf897dcad557dbd579703f2e3acfd3606d0cee`
Upload date	Sep 7, 2019
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/1.13.0 pkginfo/1.4.2 requests/2.18.4 setuptools/41.0.1 requests-toolbelt/0.8.0 tqdm/4.28.1 CPython/3.6.8`