Examining Network Activity

After you have installed the Sun Quad FastEthernet SBus adapter, but before booting the system, verify the installation by examining the network interfaces with the OpenBoot PROM watch-net-all command.

Make sure that the interfaces are connected to an active network.

1. Examine network activity and incoming network packets by typing watch-net-all at the ok prompt.

   The watch-net-all command monitors network traffic on all network interfaces in the system. In the example below, the watch-net-all command tests all four of the adapter's interfaces, two of which are connected to a network.

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   Example 2-1 watch-net-all Command Output

   
   

   ok watch-net-all
   /sbus@1f,0/SUNW,qfe@1,8c30000
   Internal loopback test -- succeeded.
   Transceiver check  -- failed
   
   /sbus@1f,0/SUNW,qfe@1,8c20000
   Internal loopback test -- succeeded.
   Transceiver check  -- passed
   Looking for Ethernet Packets.
   '.' is a Good Packet.  'X' is
   a Bad Packet.
   Type any key to stop.
   ..................................... (Press any key to continue.)
   
   /sbus@1f,0/SUNW,qfe@1,8c10000
   Internal loopback test -- succeeded.
   Transceiver check  -- failed
   
   /sbus@1f,0/SUNW,qfe@1,8c00000
   Internal loopback test -- succeeded.
   Transceiver check  -- passed
   Looking for Ethernet Packets.
   '.' is a Good Packet.  'X' is
   a Bad Packet.
   Type any key to stop.
   ....................................... (Press any key to continue.)
   

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   In addition to testing the adapter's interfaces, the watch-net-all command may also test other network devices on the system.

The network speed is the same as the speed of the network to which your system is connected. See the section "Forcing Network Speed Between 10 Mbps and 100 Mbps" for more detailed information about speed selection.