
Examining Network Activity
After you have installed the Sun Quad FastEthernet PCI adapter, but before booting the system, verify the installation by examining the network interfaces with the OpenBoot PROM 
Make sure that the interfaces are connected to an active network.
●Examine network activity and incoming network packets by typing 
The 
ok 
/pci@1f,2000/pci@2/SUNW,qfe@1,1 Internal loopback test 
'.'is a Good Packet. 'X' is a Bad Packet. Type any key to stop.
..................................... (Press any key to continue.)
/pci@1f,2000/pci@2/SUNW,qfe@2,1 Internal loopback test 
/pci@1f,2000/pci@2/SUNW,qfe@3,1 Internal loopback test 
'.'is a Good Packet. 'X' is a Bad Packet. Type any key to stop.
....................................... (Press any key to continue.)
In addition to testing the adapter’s interfaces, the 
Note 
8 Sun Quad FastEthernet PCI Adapter Installation and User’s Guide • August 1997
