Iosxrv-k9-demo-5.2.2.ova ((free)) Instant

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Power on the VM. Console output will scroll through IOS XR boot processes, including: iosxrv-k9-demo-5.2.2.ova

Interface Flapping: Ensure your virtual switches (vSwitch) have "Promiscuous Mode" enabled if you are doing complex bridging. You're looking for a helpful story about the

For certification candidates (especially CCIE Service Provider v4.0 and early v5.0), the 5.2.2 version was explicitly recommended for practice labs. Choose "Thick Provision Lazy Zeroed" for production labs

Memory (vRAM): Requires 3072 MB (3GB) of RAM to function correctly.

Choose "Thick Provision Lazy Zeroed" for production labs or "Thin Provision" for testing labs to save space.

IOS XR takes longer to boot than standard IOS because it is a modular, Unix-based OS (QNX). Start the VM

Tip: Set your adapters to "Custom" or "Host-Only" to create an isolated lab environment. 3. First Boot and Initial Login