The figure below, "Cisco CSR 1000v I/O Routing Between vNIC of Guest OS and Hardware NIC of Host",
shows the I/O routing options.
Figure 1: Cisco CSR 1000v I/O Routing Between vNIC of Guest OS and Hardware NIC of Host
Drivers
The following table indicates the drivers required to support various I/O modes.
Table 3: Driver Support for I/O Modes
Cisco CSR1000v Drivers
Mode
•
VMXNET3 (ESXi)
•
Virtio (KVM)
•
VIF-netfront (Xen)
•
NetVSC (Hyper-V)
Para Virtual
•
ixgbe (for Intel 10 gig NIC)
•
enic (for Cisco VIC)
PCI Passthrough
•
ixgbevf
SR-IOV
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
22
Cisco CSR 1000v Series Cloud Services Router Overview
Hypervisor Support