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1 solving the problem, Solving the problem -4, Example 2, vlans across multiple switches – Enterasys Networks 802.1Q User Manual

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Example 2, VLANs Across Multiple Switches

4-4

Examples

Figure 4-3

Example 2, VLANs Across Multiple Switches

4.2.1

Solving the Problem

To solve the problem in this example, the users are assigned to VLANs using Switch 4 and Switch
2 as shown in

Figure 4-3

. Redco users are assigned to the Red VLAN and Blue Industries users to

the Blue VLAN. The following information shows how Switch 4 and Switch 2 are configured to
create the two VLANs to isolate the users of the two companies from one another on the network
using the existing infrastructure.

Floor 1

Floor 2

Floor 3

Floor 4

1

Bridge 1

Bridge 2

Bridge 3

Bridge 4

Redco

Redco

Blue Industries

Red VLAN

Red VLAN

Red VLAN

Red VLAN

Blue VLAN

Blue VLAN

Blue VLAN

Blue VLAN

22632_13

User

802.1D Legacy Bridge

802.1Q VLAN Aware Switch

File Server

User A

File Server

2

Blue Industries

4

2

3

4

1

2

3

File Server