NETMIKO | Manage TimeoutException and AuthenticationException

netmiko_exception.py

#https://pyneng.readthedocs.io/en/latest/book/18_ssh_telnet/netmiko.html

from pprint import pprint
import yaml
import netmiko


def send_show_command(device, commands):
    result = {}
    try:
        with netmiko.ConnectHandler(**device) as ssh:
            ssh.enable()
            for command in commands:
                output = ssh.send_command(command)
                result[command] = output
        return result
    except netmiko.NetmikoTimeoutException:
            output = (
                net_device["host"] + "_" + net_device["ip"]
                + ": ERROR [Device unreachable]"
            )
            print(output)
            continue
    except netmiko.NetmikoAuthenticationException:
        output = (
            net_device["host"] + "_" + net_device["ip"]
            + ": ERROR [Authentication failed]"
        )
        print(output)
        continue

device = {
    "device_type": "cisco_ios",
    "host": "192.168.10.10",
    "username": "cisco",
    "password": "cisco",
}
result = send_show_command(device, ["sh ip int br"])
pprint(result, width=120)