Untagged vlan, Router – Allied Telesis AT-S81 User Manual

Page 101

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AT-S81 Management Software User’s Guide

Section I: Using the Menus Interface

101

Untagged VLAN

Figure 19 illustrates how VLANs with untagged port members can be
interconnected. In this example, the Sales VLAN spans two AT-8000/
8POE Fast Ethernet switches, while the Production VLAN is limited to just
one switch.

Figure 19. VLAN - Example 2

Router

Sales VLAN
(VID 2)

Engineering VLAN
(VID 3)

Production VLAN

(VID 4)

Sales VLAN

(VID 2)

AT-8000/8POE Fast Ethernet Switch

AT-8000/8POE Fast Ethernet Switch

AT-8000/8POE

8 Port POE Fast Ethernet Switch

PoE

9

9R

1

3

5

7

2

4

6

8

TERMINAL POR

T

1

3

5

7

2

4

6

8

9

9R

POWER

10/100/1000 Base-T

SFP

UPLINK PORT

RS-232

DET ON ON

100 LINK ACT

10 LINK ACT

PD ON

MAX CURRENT

PD ERR

10/100 LINK

1000 LINK

ACT

ACT

CLASS 1

LASER PRODUCT

MAIN PORT ACTIVITY

UPLINK PORT ACTIVITY

820

WAN

AT-8000/8POE

8 Port POE Fast Ethernet Switch

PoE

9

9R

1

3

5

7

2

4

6

8

TERMINAL POR

T

1

3

5

7

2

4

6

8

9

9R

POWER

10/100/1000 Base-T

SFP

UPLINK PORT

RS-232

DET ON ON

100 LINK ACT

10 LINK ACT

PD ON

MAX CURRENT

PD ERR

10/100 LINK

1000 LINK

ACT

ACT

CLASS 1

LASER PRODUCT

MAIN PORT ACTIVITY

UPLINK PORT ACTIVITY

820

Router

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