tun

tun — Tunnel Settings

Properties

Table 81. 

Key Name Value Type Default Value Value Description
group
string
The group ID which will own the device. If set to NULL everyone will be able to use the device.
mode
uint32
1
The operating mode of the virtual device. Allowed values are NM_SETTING_TUN_MODE_TUN (1) to create a layer 3 device and NM_SETTING_TUN_MODE_TAP (2) to create an Ethernet-like layer 2 one.
multi-queue
boolean
FALSE
If the property is set to TRUE, the interface will support multiple file descriptors (queues) to parallelize packet sending or receiving. Otherwise, the interface will only support a single queue.
owner
string
The user ID which will own the device. If set to NULL everyone will be able to use the device.
pi
boolean
FALSE
If TRUE the interface will prepend a 4 byte header describing the physical interface to the packets.
vnet-hdr
boolean
FALSE
If TRUE the IFF_VNET_HDR the tunnel packets will include a virtio network header.