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VLANs
RS400 181 ROS™ v3.5
Port(s)
Synopsis: Any combination of numbers valid for this parameter
The port number as seen on the front plate silkscreen of the switch (or a list of ports, if
aggregated in a port trunk).
Type
Synopsis: {Edge, Trunk}
Default: Edge
This parameter specifies how the port determines its membership in VLANs. There are few
types of ports:
EDGE - the port is only a member of one VLAN (its native VLAN specified by the 'PVID'
parameter).
TRUNK - the port is automatically a member of all configured VLANs. Frames transmitted out of
the port on all VLANs except the port's native VLAN will be always tagged. It can also be
configured to use GVRP for automatic VLAN configuration.
QinQ - the port is a trunk port using double-VLAN tagging, or nested VLANs. An extra VLAN tag
is always added to all frames egressing this port, VID in the added extra tag is the PVID of the
frame's ingress port. VLAN tag is always stripped from frames ingressing this port.
PVID
Synopsis: 1 to 4094
Default: 1
The Port VLAN Identifier specifies the VLAN ID associated with untagged (and 802.1p priority
tagged) frames received on this port.
Frames tagged with a non-zero VLAN ID will always be associated with the VLAN ID retrieved
from the frame tag.
Modify this parameter with care! By default, the switch is programmed to use VLAN 1 for
management and every port on the switch is programmed to use VLAN 1. If you modify a switch
port to use a VLAN other than the management VLAN, devices on that port will not be able to
manage the switch.
PVID Format
Synopsis: { Untagged, Tagged }
Default: Untagged
Specifies whether frames transmitted out of the port on its native VLAN (specified by the 'PVID'
parameter) will be tagged or untagged.
GVRP
Synopsis: { Adv&Learn, Adv Only, Disabled }
Default: Disabled
Configures GVRP (Generic VLAN Registration Protocol) operation on the port. There are
several GVRP operation modes:
DISABLED - the port is not capable of any GVRP processing.
ADVERTISE ONLY - the port will declare all VLANs existing in the switch (configured or
learned) but will not learn any VLANs.
ADVERTISE & LEARN - the port will declare all VLANs existing in the switch (configured or
learned) and can dynamically learn VLANs.
Only Trunk ports are GVRP capable.