Bytes are given for WAN connections and Packets for LAN connections. For
WANs bytes make much more sense, as its a slower connection and a byte is
always a byte. Packets vary in length so are better for bursty LAN
connections.

the local area connection Icon gets it's bit, byte or packet nfo from the
Nic's Drivers contact the nic mfg to change that functionality
or in XP
right click the taskbar & select Task Manager
select the Network tab to monitor
or
use a 3rd party Bit/Byte counter
http://www.analogx.com/contents/download/network/nsl.htm

стандартными похоже никак...