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This tutorial is a walk through of how to install Service Containers on ISR 4K routers. The containers are essentially KVM virtual machines. This tutorial will cover the commands needed, how to import that machine and how to configure the networking on the system to connect the virtual machine to the network.
Probably the best place to start with Cisco documentation: https://developer.cisco.com/kvm/
In the tutorial I mention the OVA file. Here it is:
http://files.technologyordie.com/ubuntu.ova
MD5: 9a0829079a20da8ce7e36d4ef73db7f0
A Cisco document on how the whole process works:
http://files.technologyordie.com/Service-Containers-Tutorial.pdf
A few helpful commands:
!Configure Default Gateway and interface for VM
interface VirtualPortGroup1
ip address 10.0.0.1 255.255.255.0
ip nat inside
!Configure physical interface
interface GigabitEthernet0/0/0
ip nat outside
!Global Config
virtual-service
signal level unsigned
!Configure Virtual Service
virtual-service ubuntu
vnic gateway VirtualPortGroup1
guest ip address 10.0.0.2
!Setup 1:1 NAT for Service
ip nat inside source static 10.0.0.2 10.100.201.241
!Verify resource usages
show virtual-service global
!Debugging config
debug virtual-service all
!Perform installation
virtual-services install name ubuntu package harddisk:ubuntu.ova
!Show status
show virtual-service list
A bit more about service containers: https://blogs.cisco.com/enterprise/what-the-heck-is-a-service-container