Installation Requirements for KVM
The KVM requirements for Cisco Catalyst 8000V using Cisco IOS XE 17.4.x releases and later are as follows:
Cisco IOS XE Release |
KVM Version |
---|---|
Cisco IOS XE 17.15.1 release |
Linux KVM based on Red Hat Enterprise Linux 9.2 and 8.4 are recommended. |
Cisco IOS XE 17.14.x releases Cisco IOS XE 17.13.x release Cisco IOS XE 17.12.x release Cisco IOS XE 17.11.x releases Cisco IOS XE 17.10.x releases Cisco IOS XE 17.9.x releases Cisco IOS XE 17.8.x releases Cisco IOS XE 17.7.x releases |
Linux KVM based on Red Hat Enterprise Linux 7.7 and 8.4 are recommended. |
Cisco IOS XE 17.4.x releases Cisco IOS XE 17.5.x releases Cisco IOS XE 17.6.x releases |
Linux KVM based on Red Hat Enterprise Linux 7.5 and 7.7 are recommended. |
Cisco IOS XE Release |
KVM Version |
---|---|
Cisco IOS XE 17.14.x releases Cisco IOS XE 17.13.x release Cisco IOS XE 17.12.x release Cisco IOS XE 17.11.x releases Cisco IOS XE 17.10.x releases Cisco IOS XE 17.9.x releases Cisco IOS XE 17.6.3 release |
Supports SUSE Linux Enterprise Server version 15 SP3 |
Cisco IOS XE 17.15.1 release |
Supports SUSE Linux Enterprise Server version 15 SP5 |
VNIC |
Supported Releases |
---|---|
Virtio |
Cisco IOS XE Release 17.4.1 and later |
ixgbevf |
Cisco IOS XE Release 17.4.1 and later |
i40evf |
Cisco IOS XE Release 17.4.1 to Cisco IOS XE 17.8.x releases |
iavf |
Cisco IOS XE Release 17.9.1 and later |
ConnectX-5VF |
Cisco IOS XE Release 17.9.1 and later |
Ixgbe |
Cisco IOS XE Release 17.10.1 and later |
Note |
If a vNIC with an i40evf driver is used, the maximum number of physical VLANs is limited to 512, shared across all (Virtual Functions) VFs, and the number of VLANs for a VF can be further limited by the host (PF) driver for untrusted VFs. The latest Intel i40e PF driver limits untrusted VFs to a maximum of 8 VLANs/sub-interfaces. |
Maximum number of vNICs supported per VM instance - 26
-
vCPUs. The following vCPU configurations are supported:
-
1 vCPU: requires minimum 4 GB RAM allocation
-
2 vCPUs: requires minimum 4 GB RAM allocation
-
4 vCPUs: requires minimum 4 GB RAM allocation
-
8 vCPUs: requires minimum 8 GB RAM allocation
-
16 vCPUs: requires minimum 8 GB RAM allocation (supported from Cisco IOS XE 17.11.1a)
-
-
Virtual CPU cores - 1 vCPU is required
-
Virtual hard disk size - 8 GB minimum
-
Virtual CD/DVD drive installed (applicable only when installing using an .iso file or when providing Day0 configuration via an ISO) - required