Allied Telesis AT-2972T/2 - Manual (Page 120)

Troubleshooting
120
This command displays the packet send/receive status.
Linux
To verify that the Ethernet interface is up and running, run ifconfig to
check the status of the Ethernet interface. In addition, you can also use
the netstat -i command to check the statistics on the Ethernet
interface. Consult the manual pages for more information about the
ifconfig
and netstat commands.
To ping an IP host on the network to verify connection has been
established, perform the following procedure.
1. From the command line, type ping <IP address>, then press Enter.
This command displays the packet send/receive status.