SR-IOV network

SR-IOV is a hardware standard that allows a single network card port to appear as several virtual network interfaces in a virtualized environment.

The sriov network type allows to specify presets to use when connecting instances to a parent interface. In this case, the instance NICs can simply set the network option to the network they connect to without knowing any of the underlying configuration details.

Configuration options

The following configuration key namespaces are currently supported for the sriov network type:

• maas (MAAS network identification)
• user (free-form key/value for user metadata)

Note LXD uses the CIDR notation (opens in a new tab) where network subnet information is required, for example, 192.0.2.0/24 or 2001:db8::/32. This does not apply to cases where a single address is required, for example, local/remote addresses of tunnels, NAT addresses or specific addresses to apply to an instance.

The following configuration options are available for the sriov network type:

maas.subnet.ipv4

MAAS IPv4 subnet to register instances in

Key: maas.subnet.ipv4
Type: string
Condition: IPv4 address; using the network property on the NIC
Scope: global

maas.subnet.ipv6

MAAS IPv6 subnet to register instances in

Key: maas.subnet.ipv6
Type: string
Condition: IPv6 address; using the network property on the NIC
Scope: global

mtu

MTU of the new interface

Key: mtu
Type: integer
Scope: global

parent

Parent interface to create sriov NICs on

Key: parent
Type: string
Scope: local

user.*

User-provided free-form key/value pairs

Key: user.*
Type: string
Scope: global

vlan

VLAN ID to attach to

Key: vlan
Type: integer
Scope: global