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Software Descriptions
1-5
The NetWare 4.x and 3.12 drivers and Windows NT network
drivers support up to four physical NICs per system.
Each physical NIC can be configured to support up to 16 LECs.
Each LEC operates as a virtual NIC and has a unique MAC
address.
Only one LEC per NIC is supported in NetWare 3.12.
The ATMLink NIC network driver uses switched virtual circuits
(SVCs) to establish network connections with up to 4,096
open virtual channel connections (VCCs) supported per
system. Each LEC requires a minimum of four VCCs in addition
to those needed for its data requirements. These four VCCs are
used by the LAN Emulation Server (LES) and the Broadcast
and Unknown Server (BUS).
Resilient server links allow the network administrator to
designate up to three of the installed 3C975 ATMLink NICs as
standby NICs. In the event of link failure, the standby NIC
assumes the configuration profile and network traffic of a
failed active ATMLink NIC. Resilient server links are discussed
in Chapter 3 and Chapter 4.
The ATMLink network drivers let the ATM network
administrator set a maximum peak cell rate value for each
LEC. This form of bandwidth allocation is useful in mitigating
congestion and ensuring optimum usage of bandwidth.
Diagnostic Utility Description
The ATMLink diagnostic utility is a DOS program that tests the
internal integrity of the 3C975 ATMLink NIC and its ability to
send and receive packets. The diagnostic utility also identifies
the MAC address, the PCI slot number, and manufacturer's
information for each installed 3Com ATMLink NIC. It is
recommended that you run the diagnostic utility after
installing the ATMLink NIC and before installing the network
drivers. For information on how to use the diagnostic utility,
see Chapter 6, "Diagnostics and Troubleshooting."
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