IOSEMU Links:

IOSEMU

IOSEMU is a Cisco 7200 emulator that uses JIT to achieve good performance.
It is able to boot real Cisco IOS images.

Debian Install Notes:

apt-get install libelfg0		# ELF library for iosemu-x86
apt-get install unzip			# unzip required to extract bin image
unzip -p c7200xxx.bin >image.bin	# extract the cisco ios bin image
./iosemu-x86 image.bin			# run IOSEMU