User`s guide

122 XgOS User’s Guide • September 2014
■ When tag-native=true, in the egress path, VLAN ID of the newly inserted tag
on an untagged frame equals the access VLAN ID of the vNIC transmitting the
frame.
■ When tag-native=true, in the ingress path, all untagged frames arriving from
the network are dropped.
You can change the tag-native property to “true” through the set ethernet-
port command, as shown:
Note – Port mode must be trunk when specifying the -tag-native=true option.
vNIC’s VLAN Properties
The vNIC’s VLAN properties documented in this section are supported on all
versions of GE I/O Module.
After the Ethernet port’s VLAN properties are configured, a vNIC can be created
and terminated on it. When a vNIC is created, it is in access mode of operation by
default and belongs to the same VLAN domain as its terminating port.
Before configuring VLAN properties of a vNIC, it is important to understand the
administrative requirements of the vNIC in terms of its VLAN configuration. A
vNIC’s VLAN configuration can occur through either of the following methods:
■ host-managed VLANs. See “Host-Managed VLANs” on page 119.
■ Chassis-managed VLANs. See “Chassis-Managed VLANs” on page 119.
Depending on the configuration method chosen, the VLAN properties might be set
differently. The VLAN properties that control configuration are mode and access
VLAN.
Mode
This property specifies how VLAN tagged and untagged frames must be handled. It
also indicates whether the vNIC can be configured to carry multiple VLAN traffic or
just allow untagged frames in its access VLAN domain only.
set ethernet-port <slot/port> -mode=trunk -tag-native=true
set lag <slot.id> -mode=trunk -tag-native=true