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1-reading-network-configuration/answers/exercise1/1_netmiko_show_interfaces_raw.py

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+# pip install --user netmiko
+from netmiko import Netmiko
+
+username = "clab"
+password = "clab@123"
+device_type = "cisco_xr"
+hosts = ["172.16.30.2", "172.16.30.3"]
+command_to_run = "show int brief"
+
+for host in hosts:
+  # Create a variable that represents an SSH connection to our router.
+  connection = Netmiko(
+    username=username,
+    password=password,
+    device_type=device_type,
+    ip=host
+  )
+
+  # Send a command to the router, and get back the raw output
+  raw_output = connection.send_command(command_to_run)
+
+  # The "really raw" output has '\n' characters appear instead of a real carriage return.
+  # Converting them into carriage returns will make it a little more readable for this demo.
+  raw_output = raw_output.replace("\\n", "\n")
+
+  print(
+    f"### This is the raw output from {host}, without any parsing: ###\n",
+    raw_output + "\n"
+  )

1-reading-network-configuration/answers/exercise1/2_netmiko_show_interfaces_textfsm.py

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+# pip install --user textfsm
+# pip install --user netmiko
+import json
+from netmiko import Netmiko
+from pprint import pprint
+
+username = "clab"
+password = "clab@123"
+device_type = "cisco_xr"
+hosts = ["172.16.30.2", "172.16.30.3"]
+command_to_run = "show int brief"
+
+for host in hosts:
+  # Create a variable that represents an SSH connection to our router.
+  connection = Netmiko(
+    username=username,
+    password=password,
+    device_type=device_type,
+    ip=host,
+  )
+
+  # Send a command to the router, and get back the output "dictionaried" by textfsm.
+  textfsm_output = connection.send_command(command_to_run, use_textfsm=True)
+
+  print(f"### This is the TextFSM output from {host}: ###")
+  print(textfsm_output)
+  print("\n") # Add extra space between our outputs for each host
+
+
+  print(f"### This is the TextFSM output from {host}, but JSON-formatted: ###")
+  print(json.dumps(textfsm_output, indent=4)) # indent for readability
+  print("\n") # Add extra space between our outputs for each host