You can also use switches from other vendors such as Cumulus, Extreme Networks and many more.ĭavid Bombal (CCIE #11023 Emeritus) passed his Cisco Certified Internetwork Expert Routing and Switching exam in January 2003. Use it only for basic operationsīy leveraging GNS3 support for Docker, you can now add Open vSwitch to your GNS3 topologies. It’s not running a switch OS, everything is emulated from scratch. You cannot configure this switch through a CLI, but you can set the number of ports supported on the switch and other basic settings.

Use this if all you need is a basic switch to connect devices in a GNS3 topology. Unmanaged switching: GNS3 built in switch In addition, as this is a Cisco internal tool, IOU mages may be buggy and no support is available. You will need to get them from someone who works at Cisco.

IOU is a less resource intensive alternative to IOSvL2, but the images are not publicly available. While an Etherswitch module does not support advanced layer 2 features, it does allow you to configure basic VLANs, Spanning Tree and other options. This is the official Cisco way of emulating a switch. With a Cisco VIRL IOSvL2 image, you can configure and test a wide range of advanced switching features. Recommended switching platform: Cisco VIRL IOSvL2 Your selection of image and platform will affect what is possible. And many others.Complimentary campus technologies such as HSRP are also supported. While this was true in the past, GNS3 now supports options such as:

One common misconception about GNS3 is that GNS3 does not support advanced switching options. GNS3 support many switching options - they range from unmanaged switches, to Cisco IOS switches, to Datacenter Nexus switches, to Etherswitch modules and then emerging technologies such as OpenFlow and SDN.

Ios switch cisco gns3 download