apt-add-repository ppa:gns3/ppa
apt-get update
apt-get install gns3
http://sobek.su/Cisco/IOS/37xx/3725/c3725-advipservicesk9-mz.124-25d.bin
Remark: Qemu一直測試失敗, 最後選擇用Router當Host PC測試
http://www.gns3.net/qemu/
Qemu version 0.14.1 for Ubuntu 32-bit
./Qinstall
apt-get install zlib1g-dev
Qemu version 0.14.1 patched sources
./confirgure
make
make install
http://sourceforge.net/projects/gns-3/files/Qemu%20Appliances/
linux-microcore-3.4.img
