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The most significant new helpful feature related to the Cisco Modeling Labs (CML) "refplat" (Reference Platform) ISO is the introduction of native IOS on Linux (IOL) images. This allows you to run routers and switches as lightweight processes rather than full virtual machines (VMs), drastically reducing CPU and memory consumption while enabling faster boot times. Key Features of New Refplat ISO Releases

7. Troubleshooting Common Issues

| Issue | Solution | |-------|----------| | No REFPLAT visible in portal | Verify CML license assignment in Smart Account | | Boot fails after ISO mount | Increase VM RAM to 4+ GB, enable virtualization extensions | | License not recognized | Re-license via license smart register or local file |

Network integration and topology considerations

  • RefPlat provides virtual networking primitives (bridges, NAT) to connect simulated nodes and external networks.
  • For multi-host/multi-node clusters, plan for:
  • Storage: Attach the new CML REFPLAT ISO to the optical drive.
  • Network: Use Bridged Adapter so your lab gets IP from your home router.
  • Start the VM and follow the same text installer as above.