Day14.md

Day 14: Retrieving Operational Data (Getters)

Objective:

Explore NAPALM's "getter" methods to retrieve various operational states from the cEOS router.

Concepts:

• get_facts()
• get_interfaces()
• get_interfaces_ip()
• get_lldp_neighbors()
• get_mac_address_table()
• get_arp_table()

Challenge:

Retrieve and print the IP addresses of all interfaces and the LLDP neighbors of arista1.

Code Examples:

1. day2_getters.py:

from napalm import get_network_driver
import json

DEVICE_IP = "YOUR_ARISTA1_IP"
USERNAME = "admin"
PASSWORD = "admin"

driver = get_network_driver("eos")
device = driver(
    hostname=DEVICE_IP,
    username=USERNAME,
    password=PASSWORD,
    optional_args={"secret": PASSWORD}
)

try:
    device.open()

    print("\n--- Interfaces ---")
    interfaces = device.get_interfaces()
    print(json.dumps(interfaces, indent=2))

    print("\n--- Interfaces IP ---")
    interfaces_ip = device.get_interfaces_ip()
    print(json.dumps(interfaces_ip, indent=2))

    print("\n--- LLDP Neighbors ---")
    lldp_neighbors = device.get_lldp_neighbors()
    print(json.dumps(lldp_neighbors, indent=2))

    # Additional getters to explore:
    # print("\n--- MAC Address Table ---")
    # mac_table = device.get_mac_address_table()
    # print(json.dumps(mac_table, indent=2))

    # print("\n--- ARP Table ---")
    # arp_table = device.get_arp_table()
    # print(json.dumps(arp_table, indent=2))

except Exception as e:
    print(f"Error: {e}")
finally:
    if device.is_alive():
        device.close()