Configuration Guide VLAN Configuration
Configuring VLAN Trunks
Overview
A trunk is a point-to-point link that connects one or multiple Ethernet switching
interfaces to other network devices (for instance, router or switch). A trunk can
transmit the traffics of multiple VLANs.
The Trunk encapsulation of Ruijie device is 802.1Q-complied. The following
diagram shows a network connected with trunks.
You can set a common Ethernet port or aggregate port to be a trunk port. For
the details of aggregate port, refer to Configuring Aggregate Port.
In order to switch an interface between the access mode and the trunk mode,
use the switchport mode command:
A native VLAN must be defined for a trunk port. The untagged packets received
and sent through the port are deemed as the packets of the native VLAN.
Obviously, the default VLAN ID of the port (that is, the PVID in the IEEE 802.1Q)
is the VLAN ID of the native VLAN. Moreover, you must untag them before
sending the packets of the native VLAN through the trunk port. The default
native VLAN of a trunk port is VLAN 1.
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