Allied Telesis AR450S Manual de usuario descargar pdf (Pagina 11)

Switching on the AR440S, AR441S and AR450S 3-11

Software Release 2.6.6

C613-03079-00 REV A

occupied with connecting the VLANs, and so are unavailable for other

devices.

If the network includes VLANs that do not need to share network resources or

span several routers, VLAN membership can usefully be based on untagged

ports. Otherwise, VLAN membership should be determined by tagging (see

VLAN Tagging on page 3-7).

Figure 3-3 on page 3-11 shows two port-based VLANs with untagged ports

belonging to them. Ports 1, 2, and 3 belong to the marketing VLAN, and ports 4

and 5 belong to the training VLAN. The router acts as two separate bridges: one

that forwards traffic between the ports belonging to the marketing VLAN, and a

second one that forwards traffic between the ports belonging to the training

VLAN. Devices in the marketing VLAN can only communicate with devices in

the training VLAN by using the router’s routing functions.

Figure 3-3: VLANS with untagged ports.

Creating VLANs

To briefly summarise the process of creating a VLAN:

1. Create the VLAN.

2. Add tagged ports to the VLAN, if required.

3. Add untagged ports to the VLAN, if required.

To create a VLAN, use the command:

CREATE VLAN=vlan-name VID=2..4094

Training VLAN

Marketing VLAN

411

Port 5

Port 4

Port 1

Port 2

Port 3

Router

SWK3

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Allied Telesis AR450S Manual de usuario Pagina 11