wget https://<your-cisco-repo>/iosxrv-k9-demo-6.1.3.qcow2 mkdir ~/iosxrv-lab cd ~/iosxrv-lab cp /path/to/downloaded/iosxrv-k9-demo-6.1.3.qcow2 . Step 3: Launch with QEMU Use the following command. Note the critical arguments: -nographic (serial console), -machine type=pc,accel=kvm , and -cpu host .
| Protocol/Category | Support Level | Use Case | |-------------------|---------------|-----------| | | Full (4-byte AS, Add-Path, Link-State) | ISP peering, MPLS VPN | | OSPFv2/v3 | Full with TE extensions | Traffic Engineering | | IS-IS | Full, multi-topology | Large SP backbone | | MPLS | LDP, RSVP-TE, Segment Routing (SR-MPLS) | Core networking | | EVPN | Basic (Type 2, Type 5 routes) | Data center interconnect | | Netconf/YANG | Native (SSH subsystem) | Automation with Python/Napalm | | Telemetry | Model-driven (gRPC, UDP) | Streaming analytics | | ACLs | Standard/Extended with object groups | Security filtering | Iosxrv-k9-demo-6.1.3.qcow2
Router(config)# license smart register Router(config)# commit Router(config)# interface GigabitEthernet0/0/0/0 Router(config-if)# ipv4 address 192.168.122.100 255.255.255.0 Router(config-if)# no shutdown Router(config-if)# commit Router(config-if)# end Now you can SSH from your host: ssh -p 12203 cisco@localhost 5. Key Features and Protocols in Version 6.1.3 Why choose 6.1.3 over older or newer versions? Here are standout capabilities present in this build: wget https://<your-cisco-repo>/iosxrv-k9-demo-6
: Ensure if=virtio is set. IOS XRv 6.1.3 expects a VirtIO block device. | Protocol/Category | Support Level | Use Case
Username: cisco Password: cisco Router> enable Router# configure terminal Router(config)# hostname XRv-Demo Apply a mandatory license (demo license is built-in, but you must accept):
Router(config)# ssh server vrf default Router(config)# commit | Image | RAM Use | Disk Size | Best For | |-------|---------|-----------|----------| | iosxrv-k9-demo-6.1.3.qcow2 | 4-6 GB | 2.5 GB | IOS XR learning, SP labs | | iosxrv-fullk9-x64-6.1.3.qcow2 | 8-12 GB | 6 GB | Production-like test (permanent license) | | viosxrv-16.12.01.qcow2 | 2-4 GB | 1.8 GB | Lightweight XR testing (no demo timer) | | cXRv-7.3.2.qcow2 | 16-24 GB | 8 GB | Modern SRv6, EVPN labs |
: SSH fails after port forward.
