ip link
Manage network interfaces.
- 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}
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