When I first boot up v2.3, this is the output I get from ifconfig:

eth0

Link encap: Ethernet Hwaddr 00:80:AD:78:F6:87
inet addr:192.168.0.5 Bcast 192.168.0.255 Mask 255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:32 errors:21 dropped:0 overruns:0 frame:0
TX packets:3 errors:5 dropped:0 overruns:0 carrier:5
collisions:0 txqueuelen:1000
RX bytes:4273 (4.1 kb) TX bytes:126 (126.0 b)
Interrupt 3 Base address:0xb800

lo

Link encap:Local Loopback
inet addr:127.0.0.1 Mask 255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

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.        _o              Kristofer Dale,
.     _ \<,_             ragged individualist,
.    ( )/ ( )            statistic at large...
.

p.s. Learn and live, http://www.vitaletherapeutics.org