AMA! Spiceworks OriginalsĪsk me Anything is a series where we interview experts with unique expertise, opinions, and stories. Most companies don't get a passing grade. Processor is running Enterprise Edition SoftwareĢ Gigabit Ethernet/IEEE 802.3 interface(s)ģ2K bytes of flash-simulated non-volatile configuration memory.īase ethernet MAC Address: 00:05:9B:CB:43:00 Processor board ID FAB0515V0AE, with hardware revision 0x00 ROM: Bootstrap program is C3500XL boot loader Here are the details of my switch which I manage to obtain from the previous e-mail I had sent to you:Ĭisco Internetwork Operating System Software I deleted the ios of my switch before I had the chance to back it up. GNS3 is an excellent alternative or complementary tool to real labs for network engineers, administrators and people studying for certifications such as Cisco CCNA, CCNP andCCIE as well as Juniper JNCIA, JNCIS and JNCIE.I hope you can point me to the right direction.

QEMU, a generic open source machine emulator, it runs Cisco ASA, PIX and IPS.

VirtualBox, runs desktop and server operating systems as well as Juniper JunOS.

Dynamips, the well known Cisco IOS emulator.

In order to provide complete and accurate simulations, GNS3 actually uses the following emulators to run the very same operating systems as in real networks:

GNS3 provides an intuitive graphical user interface to design and configure virtual networks, it runs on traditional PC hardware and may be used on multiple operating systems, including Windows, Linux, and Mac OS X. GNS3 is an open source (GNU GPL) software that simulates complex networks while being as close as possible from the way real networks perform, all of this without having dedicated network hardware such as routers and switches. If you face any problem setting it up with GNS3 drop me a message and I will get back to you asap. Old ones are kept intact for your reference. Download here – įeel free to download them and use them for your Cisco certifications studies. Update as on 14th May 2018 – Cisco IOS GNS3 – Srijit’s BlogĪll the IOS, IOU, Nexus and other images has been updated, checked and verified with latest GNS3 & GSN3 VM. Here I am listing all the working versions of Cisco IOS which I have tested with the latest version of GNS3.

Cisco iosv download