A successful PXEboot looks like this:
Pre-boot eXecution Environment PXE-2.0 (build 082)
Copyright (C) 1997-2000 Intel Corporation
CLIENT MAC ADDR: 00 00 24 C3 A8 40
CLIENT IP: 192.168.1.9 MASK: 255.255.255.0 DHCP IP: 192.168.1.101
GATEWAY IP: 192.168.1.101
>> NetBSD/i386 PXE Boot, Revision 1.1
>> (rgmussel@cuw.ojctech.com, Sun Apr 23 07:50:45 CDT 2006)
>> Memory: 582/64512 k
Press return to boot now, any other key for boot menu
Starting in 0
PXE BIOS Version 2.1
Using PCI device at bus 0 device 6 function 0
Ethernet address 00:00:24:c3:a8:40
net_open: client addr: 192.168.1.9
net_open: subnet mask: 255.255.255.0
net_open: net gateway: 192.168.1.101
net_open: server addr: 192.168.1.101
net_open: file name: tftp:netbsd.gz
2159776+33612688-