IBM eserver xSeries 440, Руководство пользователя

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xSeries 440:User’s Guide
Configuring the Gigabit Ethernet controller
The server comes with an integrated Ethernet controller. This controller provides an
interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks and provides
full duplex (FDX) capability, which enables simultaneous transmission and reception
of data on the Ethernet local area network (LAN).
When you connect your server to the network, the Ethernet controller automatically
detects the data-transfer rate (10-Mbps, 100-Mbps, or 1000-Mbps) on the network and
then sets the controller to operate at the appropriate rate. In addition, if the Ethernet
ports that your server is connected to support auto-negotiation, the Gigabit Ethernet
controller will set the appropriate duplex state. That is, the Ethernet controller will
adjust to the network data rate, whether the data rate is standard Ethernet (10BASE-
T), Fast Ethernet (100BASE-TX/1000BASE-T), half duplex (HDX), or full duplex
(FDX). The controller supports half-duplex (HDX) and full-duplex (FDX) modes at both
speeds.
Note: See the documentation on the Broadcom NetXtreme Gigabit Ethernet
Software CD that came with your server for information about configuring the
Ethernet controller.
High-performance Ethernet modes
Your Ethernet controller supports optional modes, such as teaming, load balancing,
fault tolerance, and virtual LANs, which provide higher performance, security, and
throughput for your server. These modes apply to the integrated Ethernet controller
and to the controllers on supported Ethernet adapters, such as the IBM 10/100/1000
Ethernet Adapter or the IBM 10/100/1000 EtherJet
™
PCI family of adapters.
Teaming mode:
Your Ethernet controller provides options, called teaming
options, that apply to supported Ethernet controllers. A team can consist of two or
more Ethernet controllers, two Ethernet adapters, or a mix of integrated Ethernet
controllers and Ethernet adapters. These options increase throughput and fault
tolerance when running with Windows 2000, Windows NT 4.0, Linux, or NetWare 4.1x
or later.
• Adapter fault tolerance (AFT) provides automatic redundancy for your Ethernet
controllers. You can configure either one of the integrated Ethernet controllers or
an Ethernet adapter as the primary Ethernet controller. If the primary link fails, the
secondary controller takes over. When the primary link is restored to an
operational state, the Ethernet traffic switches back to the primary Ethernet
controller. Adapter fault tolerance supports from two to four controllers per team.
• Adaptive load balancing (ALB) enables you to balance the transmission data
flow among two to four controllers. ALB also includes the AFT option. You can use
ALB with any 100BASE-TX/1000BASE-T switch.
• Cisco Fast EtherChannel (FEC) creates a team of two to four controllers to
increase transmission and reception throughput. FEC also includes the AFT
option. You can use FEC only with a switch that has FEC capability.
If you use supported Ethernet adapters in your server, refer to the documentation that
comes with the adapters for more information about the teaming modes.
Virtual LAN mode:
A virtual LAN (VLAN) is a logical grouping of network
devices put together as a LAN, regardless of their physical grouping or collision
domains. Using VLANs increases network performance and improves network
security.