Post-upgrade checks
| Feature / Image | i86bi-linux-adventerprisek9-ms.154-1.T | i86bi-linux-ipbase-ms | x86_64_crb_linux-adventerprisek9-ms.bin | | :--- | :--- | :--- | :--- | | | 32-bit (i86bi) | 32-bit | 64-bit | | Feature Set | Advanced Enterprise Services (Full) | Basic IP Routing (Limited) | Advanced Enterprise Services (Full) | | Use Case | Advanced Routing & Feature Testing | Basic, Low-Resource Labs | Modern Systems, Resource-Rich Labs | | Primary Feature | Comprehensive (Security, QoS, BGP) | Basic IP Routing | Modern 64-bit Support |
ssh root@your-eve-ng-ip mkdir -p /opt/unetlab/addons/qemu/i86bi-linux-adventerprisek9-ms.154-1.t-antigns3 mv /opt/unetlab/addons/qemu/i86bi-linux-adventerprisek9-ms.154-1.t-antigns3.bin /opt/unetlab/addons/qemu/i86bi-linux-adventerprisek9-ms.154-1.t-antigns3/ i86bi-linux-adventerprisek9-ms.154-1.t-antigns3.bin
| Image Name | Description | Legal Source | |------------|-------------|---------------| | | IOSv version 15.4(3)M | Cisco CML Personal | | vios-adventerprisek9-m | VIRL IOSv with MPLS | Cisco VIRL | | csr1000v | Cloud Services Router (IOS XE) | Cisco trial (60 days) | | xrv9k | IOS XR virtual router | Cisco DevNet |
This 15.4(1)T image offers a robust suite of features suitable for designing and testing complex network topologies: In fact, it's even referenced as an official
is a lightweight, resource-efficient emulator that runs Cisco's IOS on an x86 platform. Developed for internal testing, IOU is prized for its ability to run dozens of router instances on a single server without the heavy resource demands of other emulators. This image, often affectionately nicknamed "AntiGNS3," was engineered to work seamlessly with popular front-ends like GNS3 and EVE-NG. In fact, it's even referenced as an official lab image for PNETLab, specifically used in labs focusing on IPv6 Tunnels and OSPFv3.
If you are uncomfortable with unofficial binaries, consider these legal alternatives: It bypasses standard hardware emulation overhead, enabling a
When using the image directly from a Linux terminal with wrapper-linux , common options include:
Every part of this image's name holds a key to its capabilities:
Conventional virtualization techniques boot an entire operating system kernel inside a heavy Hypervisor layer (such as QEMU). In contrast, Cisco IOU runs natively as a single user-space Linux process. It bypasses standard hardware emulation overhead, enabling a router node to boot up in seconds while using only a fraction of the CPU resources and less than 100MB of RAM. This efficiency allows a modest laptop to easily run massive topologies containing dozens of interconnected routers. Deep Layer 3 Feature Parity