Alteon Application Switch Operating System Application Guide
VLANs
Document ID: RDWR-ALOS-V2900_AG1302 83
Examples
A Multiple VLANS with Tagging Adapters
Figure 2: Multiple VLANs with Tagging Adapters Example
The components of this example VLAN configuration are described in Table 8:
Table 8: Explanation of Example of Multiple VLANs with Tagging Adapters
Component Description
Alteon This Alteon is configured for three VLANs that represent three different IP
subnets. Two servers and five clients are attached to Alteon.
Server #1 This server is part of VLAN 3 and is present in only one IP subnet. The port
that the VLAN is attached to is configured only for VLAN 3, so VLAN
tagging is off.
Server #2 This high-use server needs to be accessed from all VLANs and IP subnets.
The server has a VLAN-tagging adapter installed with VLAN tagging turned
on. The adapter is attached to one of Alteon's Gigabit Ethernet ports that is
configured for VLANs 1, 2, and 3. Tagging is turned on. Because of the
VLAN tagging capabilities of both the adapter and Alteon, the server is able
to communicate on all three IP subnets in this network. Broadcast
separation between all three VLANs and subnets, however, is maintained.
PCs #1 and #2 These PCs are attached to a shared media hub that is then connected to
Alteon. They belong to VLAN 2 and are logically in the same IP subnet as
Server 2 and PC 5. Tagging is not enabled on their ports.
PC #3 A member of VLAN 1, this PC can minimize its broadcast domain to Server
2 and PC 5.
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