ip link
Manage network interfaces. More information: https://man7.org/linux/man-pages/man8/ip-link.8.html.
- Show information about all network interfaces:
ip link
- Show information about a specific network interface:
ip link show {{ethN}}
- Bring a network interface up or down:
ip link set {{ethN}} {{up|down}}
- Give a meaningful name to a network interface:
ip link set {{ethN}} alias "{{LAN Interface}}"
- Change the MAC address of a network interface:
ip link set {{ethN}} address {{ff:ff:ff:ff:ff:ff}}
- Change the MTU size for a network interface to use jumbo frames:
ip link set {{ethN}} mtu {{9000}}