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38 Sun 10-Gigabit Ethernet PCI-X Adapter Installation and User’s Guide • December 2005

Although VLANs are commonly used to create individual broadcast domains

and/or separate IP subnets, it can be useful for a server to have a presence on more

than one VLAN simultaneously. Several Sun products support multiple VLANs on a

per port or per interface basis, allowing very flexible network configurations.

FIGURE 4-1 shows an example network that uses VLANs.

FIGURE 4-1 Example of Servers Supporting Multiple VLANs With Tagging Adapters

The example network has the following features:

The physical LAN network consists of a switch, two servers, and five clients. The

LAN is logically organized into three different VLANs, each representing a different

IP subnet.

■ VLAN 1 is an IP subnet consisting of the Main Server, Client 3, and Client 5. This

represents an engineering group.

Software

PC 1

(VLAN 2)

VLAN 1

VLAN 2

VLAN 3

Software

PC 2

(VLAN 2)

Accounting

Server

(VLAN 3)

Main Server

Adapter

Gigabit/Tagged

(All VLANs)

Engineering

PC 3

(VLAN 1)

Accounting

PC 4

(VLAN 3)

Engineering/

Software PC 5

Adapter

Gigabit/Tagged

(VLAN 1 & 2)

Shared

Media

Segment

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Sun-microsystems Ethernet PCI-X Adapter Manual de usuario Pagina 54