netstat -I interface interval
This netstat function displays the statistics for the specified interface.
This function offers information similar to the netstat -i command
for the specified interface and reports it for a given time interval. For
example:
# netstat -I en0 1
input (en0) output input (Total) output
packets errs packets errs colls packets errs packets errs colls
0 0 27 0 0 799655 0 390669 0 0
0 0 0 0 0 2 0 0 0 0
0 0 0 0 0 1 0 0 0 0
0 0 0 0 0 78 0 254 0 0
0 0 0 0 0 200 0 62 0 0
0 0 1 0 0 0 0 2 0 0The previous example shows the netstat -I command output for the ent0 interface. Two reports are generated side by side, one for the specified interface and one for all available interfaces (Total). The fields are similar to the ones in the netstat -i example, input packets = Ipkts, input errs = Ierrs and so on.