3.16S, 3.17S
3.13S, 3.14S, 3.15S
3.12S
3.10S, 3.11S
3.9S
Cisco IOS XE
Release:
(For Cisco IOS XE
3.11 to 3.16.2,
number depends on
instance type. See
—
Max. number of
vNICs per VM
instance
No
No
No
No
—
vNIC Hot
Add/Remove
Support
Yes
Yes
Yes
No
No
Single Root I/O
virtualization
(SR-IOV) Support
The vNIC
requirements for
later versions of
Cisco IOS XE are in
sections such as:
Hypervisor vNIC
Requirements for
Cisco IOS XE
Everest 16.4, on
page 15
Supported I/O Modes and Drivers
The Cisco CSR 1000v operates within a virtualization environment. Data I/O involves communication between
one or more vNICs of the guest OS in which the CSR is operating, and the physical NIC accessed by the host
OS.
Modes
Beginning with Cisco IOS XE 3.16S and also including Cisco IOS XE Denali 16.3.1 and later, the Cisco CSR
1000v supports several modes of communication between the vNICs and the physical hardware:
•
Para Virtual
•
PCI Passthrough
•
Single Root I/O Virtualization (SR-IOV)
•
Cisco Virtual Machine Fabric Extender (VM-FEX)
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
21
Cisco CSR 1000v Series Cloud Services Router Overview
Hypervisor Support