Sun Microsystems Ethernet PCI Adapter Using the test net Command on an Adapter With an External Transceiver, Known Problems

6Sun FastEthernet PCI Adapter Product Note • August 1997

Using the test net Command on anAdapter With an External Transceiver

If your adapter is connected to an external transceiver,you will see incorrect error

messages when using the OpenBoot PROM (OBP) test net command. Although

the test net command will pass the first time it is used, it will fail on subsequent

tests, even though the Ethernet interface is functional and can be used.

Youcan avoid seeing these false test failures by using the OBP reset-all

command between testing the adapter with test net command. Refer to bug id.

4062368 for more information.

Note – Refer to the OpenBoot 3.x Command Reference Manual (part number:

802-5837-xx) for more information about the test net and reset-all commands.

This document can be found in the Solaris 2.6 Answerbook.

Known Problems

The following sections list the known problems and workarounds if they exist.

The Sun FastEthernet PCI adapter’s MII interface does not support external Fiber

Optic (FX) transceivers. However,the adapter ’s MII interface does support TX, T4,

and AUI external transceivers that comply with the IEEE 802.3u standard.

Refer to bug id. 4062714 for more information.

There are two FastEthernet (100BASET) switches which currently do not operate

with the Sun FastEthernet PCI adapter:

■Bay Networks Model 28115

■Fore Systems (all models)