Verified Scalability Guide for Cisco Nexus 1000V for KVM, Release 5.x

Verified Scalability Guide for Cisco Nexus 1000V for KVM 5.x

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First Published: 2014-07-31

Last Updated: 2016-05-12

This document describes the verified configuration limits for Cisco Nexus 1000V for KVM software Releases 5.2(1)SK3(1.1), 5.2(1)SK3(2.1), 5.2(1)SK3(2.2), 5.2(1)SK3(2.2a), and 5.2(1)SK3(2.2b). The following is the change history for this document.

Contents

This document includes the following sections:

• Introduction
• Configuration Limits for Cisco Nexus 1000V for KVM
• Related Documentation
• Obtaining Documentation and Submitting a Service Request

Introduction

Cisco Nexus 1000V for KVM is a distributed virtual switch that works with the Linux Kernel-based virtual machine (KVM) open source hypervisor. In addition, Cisco Nexus 1000V for KVM uses OpenStack as its cloud operating system to control large pools of compute, storage, and networking resources throughout a data center.

The networking function of OpenStack is controlled and managed by a process called Neutron on the network controller. Neutron has been extended in a such a way that the Cisco Nexus 1000V for KVM can provide the networking capabilities to the compute nodes and the virtual machines (VMs). As Neutron creates and configures its networks for its environment, this configuration is passed to the Cisco Nexus 1000V for KVM switch.

Using OpenStack, you create VM networks and subnets on the Cisco Nexus 1000V for KVM by defining components such as the following:

• Tenants
• Network segments (subnets), such as VLANs, VLAN trunks, and VXLANs
• IP address pools

Using the Cisco Nexus 1000V for KVM VSM, you create policy profiles (called port profiles on the VSM) that define port classification information, such as security settings (ACLs and so on).

When a VM is deployed, a port profile is dynamically created on the Cisco Nexus 1000V for KVM for each unique combination of port classification, VM network, and VM subnet. All other VMs deployed with the same policy to this network reuse this dynamic port profile.

Note You must consistently use OpenStack for all VM network and subnet configuration. If you use both OpenStack and the VSM to configure VM networks and subnets, the OpenStack and the VSM configurations can become out-of-sync and result in faulty or inoperable network deployments. For information about OpenStack, see the Cisco Nexus 1000V for KVM Virtual Network Configuration Guide.

Configuration Limits for Cisco Nexus 1000V for KVM

The following table lists the supported configuration limits for the Cisco Nexus 1000V for KVM components.

The following table lists the verified configuration limits for the Cisco Nexus 1000V for KVM components for Release 5.2(1)SK3(2.2b).

Related Documentation

This section lists the documents used with the Cisco Nexus 1000V for KVM.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service request, and gathering additional information, see What’s New in Cisco Product Documentation.

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