The link configuration is optional and allows to define per interface link configurations. An explicit link configuration with the global default settings is automatically generated if no link is defined for interface links referenced by interface functions.

{ "interfaces": { "links": [] } }

Attribute	Description
interface	Interface name (e.g. eth0, …).
description	Interface description.
mac	Overwrite the MAC address. Default: physical interface MAC address
lag-interface	Add interface/link to LAG group.
lacp-priority	LACP interface priority. Default: 32768
tx-cpuset	Optionally pin TX threads to CPU cores (cpuset). This is required for DPDK only.
rx-cpuset	Optionally pin RX threads to CPU cores (cpuset). This is required for DPDK only.
io-mode	Overwrite the IO mode.
io-burst	Overwrite the IO burst.
io-slots	Overwrite the IO slots (ring size).
io-slots-tx	Overwrite the TX IO slots (ring size).
io-slots-rx	Overwrite the RX IO slots (ring size).
qdisc-bypass	Overwrite the kernel’s qdisc layer configuration.
tx-interval	Overwrite the TX polling interval in milliseconds.
rx-interval	Overwrite the RX polling interval in milliseconds.
tx-threads	Overwrite the number of TX threads per interface link.
rx-threads	Overwrite the number of RX threads per interface link.