The i86bilinuxl2 image runs on the Cisco IOSv virtualization platform, which allows a router image to act as a Layer 3 switch. It supports EtherChannels, Spanning Tree Protocol (STP), Inter-VLAN routing, and switchport configurations natively. For anyone studying switching architectures, this image eliminates the need for specific, resource-heavy switching modules, offering a streamlined "all-in-one" device.
: It is highly recommended to run IOL images inside the GNS3 VM (running on VMware or VirtualBox) for better performance and compatibility. Add Appliance i86bilinuxl2adventerprisek9152dbin best
Cisco provides binary images like: i86bi_linux_l2-adventerprisek9-ms.152-4.S.bin The i86bilinuxl2 image runs on the Cisco IOSv
There are reports of configurations becoming "messed up" after a reload if certain features are enabled. Comparison Summary IOU (e.g., 15.2d) IOSvL2 (VIRL/CML) Boot Speed Near-instant Moderate (1-2 mins) Resource Usage Extremely low High (CPU/RAM intensive) Buggy on complex protocols High/Production-like Availability Unauthorized "leaks" Official via Cisco : It is highly recommended to run IOL
is the top-tier choice for its efficiency. However, if you require absolute feature parity with modern hardware and have the RAM to spare, the vIOS-L2 images
Known for its versatility, SLES supports various workloads, including on-premises, cloud, and edge computing.