ip link
Manage network interfaces.
More information: https://manned.org/ip-link.
- 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