Tagged/Untagged Vlans; Displaying Basic Vlan Information; Figure 3-102. Vlan Management Home Page - Alcatel OS-LS-6224 User Manual

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If you have host devices that do not support GVRP, you should configure static or

untagged VLANs for the switch ports connected to these devices. But you can still

enable GVRP on these edge switches, as well as on the core switches in the

Tagged/Untagged VLANs

If you want to create a small port-based VLAN for devices attached directly to a

single switch, you can assign ports to the same untagged VLAN. However, to

participate in a VLAN group that crosses several switches, you should create a

VLAN for that group and enable tagging on all ports.

• Ports can be assigned to multiple tagged or untagged VLANs. Each port on the

switch is therefore capable of passing tagged or untagged frames. When

forwarding a frame from this switch along a path that contains any VLAN-aware

devices, the switch should include VLAN tags. When forwarding a frame from this

switch along a path that does not contain any VLAN-aware devices (including the

destination host), the switch must first strip off the VLAN tag before forwarding the

frame. When the switch receives a tagged frame, it will pass this frame onto the

VLAN(s) indicated by the frame tag. However, when this switch receives an

untagged frame from a VLAN-unaware device, it first decides where to forward the

frame, and then inserts a VLAN tag reflecting the ingress port's default VID

The VLAN Basic Information Page displays basic information on the VLAN type

supported by the switch.

Command Attributes

• VLAN ID — Displays the VLAN ID.

Configuring VLANs

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