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Netfinity® Gigabit Ethernet Adapter User’s guide
Although VLANs are commonly used to create individual broadcast domains or separate
IP subnets, it is sometimes useful for a server to have a presence on more than one VLAN
simultaneously. Alteon WebSystems switches and Netfinity Gigabit Ethernet Adapters use
VLAN tagging to support multiple VLANs on a per-port or per-interface basis, allowing
very flexible network configurations. VLAN tagging is a format used to identify packets
according to membership in a particular VLAN.
VLAN tagging is only required to be enabled on switch ports that create trunk links to
other Alteon WebSystems switches, or on ports connected to tag-capable end-stations,
such as servers or workstations with Netfinity Gigabit Ethernet Adapters.
Configuring VLANs
By default, Netfinity Gigabit Ethernet Adapters are configured with VLAN support
disabled. Up to 64 VLANs can be defined for each adapter on your server, depending on
the amount of memory it has available.
To configure VLANs, you must take the following steps:
• Access the VLAN configuration interface
• Add VLANs to the adapters. This includes assigning a unique identifier and,
optionally, a name to each new VLAN.
• Restart the computer
Note: VLANs are not supported on non-Netfinity Gigabit Ethernet Adapters,
including an Intel standalone LAN on motherboard (LOM). If a non-Netfinity
Gigabit Ethernet Adapter is a member of a Failover Team, VLANs will not be
supported for that team.
Accessing the VLAN configuration interface
To access the adapter properties for VLAN configuration, do the following:
1. Click Start
→
Settings
→
Control Panel.
2. Double-click Network.
3. Click the Adapters tab.
The bus and slot number of the highlighted adapter is listed in the lower part of the
window.
4. Select any Netfinity PCI Gigabit Ethernet Adapter and click Properties.
When an Intel LAN on motherboard (LOM) is installed in your computer, the
following window opens:
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