The following utilities can now be downloaded. Not all have been evaluated. Quoted descriptions are taken from publishers's web sites.
 

The rpm file for the DHCP server needs to be installed for the Linux DCHP practical activity
dhcp-2.0pl5-4.i386.rpm

The following are all related to making a floppy disk based Linux router, but are still to be tested.
freesco-027.zip
modules-027.zip
idiot-image_1440KB_FAT_2.9.8_Linux_2.2.gz
idiot-image_1680KB_FAT_2.9.8_Linux_2.2.gz
LRPGettingStarted.txt
urck-0.0.2.tar.gz

bos_sub.exe
"IP Subnet Calculator Wildcard Mask Checker & Decimal-to-IP Calc  a neat little utility to check what your wildcard mask actually matches, and, converts from Decimal to IP address  format."

ipcalc321.exe
"The IP Subnet Calculator™ is a popular freeware Windows 95/98/NT/2000 utility for computing information about IP addresses."

sim.exe
A Cisco router simulation program. Most features seem to be enabled.

netsimdemo004.exe
A Cisco router simulation program. Some features disabled in this version.

tjping.exe
"TJPing is an excellent, FREE, widely acclaimedping/lookup/traceroute utility for Win 95/98/Me/NT/2000/XP, although with fewer features than TJPingPro. It's fully configurable, multithreaded, and is very fast. All configuration options, hosts, and
interface settings are remembered from session to session. Users can log all results to the file of their choice."

CheckIP12.zip
"This is a simple program for scanning a local segment of a network or some network in class C. This program sends a Ping to all (or an entered range of) IP addresses and shows the status of the computers. New features include support for Internet access, diplay capabilities for DNS names, and convertion of WWW names to IP addresses."

MikroTik v2.4.7 Router Software
DiskMaker_v2-4-7_6-feb-2002_(build_1).exe
"MikroTik is a software router system that makes it easy for any VAR, ISP, or network admin to make a PC router for wireless, wide-area, or local-area networks. The product provides remote Java administration, Telnet or serial consoles, bandwith control, a built-in firewall, and support for 10/100MB Ethernet connections. This is a less expensive and more flexible alternative to hardware-based routers, because only a standard PC with an Ethernet card and this software is needed."