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Viglen SX220 User Guide 18
• Adaptive Load Balancing (ALB) - creates a team of 2 - 8 adapters to increase
transmission throughput. Also includes AFT. Works with any 10Base-TX or
100Base-TX switch.
• Fast EtherChannel (FEC) or Intel® Link Aggregation - creates a team of up to
8 adapters to increase transmission and reception throughput. Also includes
AFT. Requires a FEC-enabled switch.
To set up an option, read the instructions in the Windows NT 4.0 or NetWare 4.1x
readme files.
General Configuration Notes
1. Windows NT versions prior to 4.0 do not support Adapter Teaming options.
2. Adapter Teaming options require NT 4.0 with Service Pack 4.0 or Service Pack
3.0 and the Windows Hot Fix.
3. In Windows NT, teaming options cannot be implemented on adapters that have
been configured for VLANs. NetWare can support teaming options and VLANs on
the same adapters.
Adapter Fault Tolerance
Adapter Fault Tolerance (AFT) is a simple, effective, and fail-safe approach to
increase the reliability of server connections. AFT gives you the ability to set up link
recovery to the server adapter in case of a cable, port, or network interface card
failure. By assigning two server adapters as a team, AFT enables you to maintain
uninterrupted network performance.
AFT is implemented with two server adapters: a primary adapter and a backup, or
secondary, adapter. During normal operation, the backup will have transmit disabled.
If the link to the primary adapter fails, the link to the backup adapter automatically
takes over.
Preferred Primary Adapter
With multiple adapters installed, you can specify one as the Preferred Primary
adapter. For example if you have a server with a PRO/1000 server adapter as the
primary adapter and a PRO/100+ adapter as the secondary, you could configure the
PRO/1000 server adapter to be the preferred primary. In this scenario, if the
PRO/1000 server adapter fails, the PRO/100+ will take over. Then when the
PRO/1000 server adapter is replaced, it will automatically revert to being the primary
adapter in the team.
If a Preferred Primary is not selected, PROSet will attempt to select the best adapter,
based on adapter model and speed.