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Alteon OS Application Guide
86
Chapter 3: VLANs 42C4911, January 2007
NOTE – VLAN tagging is required only on ports that are connected to other GbE Switch
Modules or on ports that connect to tag-capable end-stations, such as servers with VLAN-
tagging adapters.
PCs #1 and #2 These PCs are attached to a shared media hub that is then connected to
the switch. They belong to VLAN 2 and are logically in the same IP
subnet as Server 2 and PC 5. The associated external switch port has
tagging disabled.
PC #3 A member of VLAN 1, this PC can only communicate with Server 2
and PC 5. The associated external switch port has tagging disabled.
PC #4 A member of VLAN 3, this PC can only communicate with Server 1
and Server 2. The associated external switch port has tagging disabled.
PC #5 A member of both VLAN 1 and VLAN 2, this PC has a VLAN-tagging
Gigabit Ethernet adapter installed. It can communicate with Server 2
and PC 3 via VLAN 1, and to Server 2, PC 1 and PC 2 via VLAN 2.
The associated external switch port is a member of VLAN 1 and
VLAN 2, and has tagging enabled.
Component Description