1. © 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 1
Aug 2013

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• Overview of Virtualization
• Overview of Nexus1000V
• Nexus1000V on KVM
• COI Grizzly Overview
• Neutron Work-flow with Nexus1000V
• Demo of Nexus1000V integration with Openstack
• Q/A

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Several Operating Systems and
Applications running on 1 physical
server or host
Benefits:
- Efficient use of resources
- Lower Costs
- Redundancy
Source:vmware.com

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PHYSICAL
WORKLOAD
VIRTUAL
WORKLOAD
CLOUD
WORKLOAD
• One app per Server
• Static
• Manual provisioning
• Many apps per Server
• Mobile
• Dynamic provisioning
• Multi-tenant per Server
• Elastic
• Automated Scaling
HYPERVISOR
VDC-1 VDC-2

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1. vMotion moves VMs across
physical ports—the network
policy must follow vMotion
(across racks, PODS, DCs)
2. Must view or apply
network/security policy to
locally switched traffic
3. Need to maintain segregation
of duties while ensuring
non-disruptive operations
Port
Group
Server Admin
Network Admin
Security
Admin

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Network Edge has moved inside the
Server
vSwitch – to switch traffic to and from
the Virtual Machines
Consistency wrt policies, features,
security and managementPort
Group
Network Admin
Security
Admin
vSwitch
vSwitch

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Hypervisor Hypervisor Hypervisor
VSM + VEMs = Nexus 1000 Virtual Chassis
VEM-NVEM-1 VEM-2
Distributed Virtual Switch
2 components:
- Virtual Supervisor Module – Control Plane
- Virtual Ethernet Module - Data Plane
• VSM and VEM uses L3 mode of
communication
• VSM can be a Virtual Appliance (VM) or a
Physical Appliance (N1110)
L3Mode
VSM1
VSM2
Virtual Appliance

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• Port-profiles – templates to configure network and policy parameters for
multiple VMs in one shot.
• Rich feature-set (aligns with Physical switches)
Eg: ACL, QoS
Netflow, SNMP
Port-security, PVLAN, DHCP snooping, DAI, IPSG
VXLAN
• Multi-hypervisor support
ESX (VMWare), Hyper-V (Microsoft), KVM (Linux)

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• VEM on KVM Hypervisor
• Openstack for creating, managing Virtual Machines
• Puppet for installing VEMs
• VXLAN-VLAN Gateway : to bridge traditional networks to virtual networks

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• Cisco OpenStack Installer (Cisco OSI) simplifies the OpenStack
installation process
• Configure an initial Build server outside the Openstack cluster
environment, After that it is used as an out-of-band automation and
management workstation to bring up, control, and reconfigure (if
necessary) the nodes of the OpenStack cluster.
• This build server primarily functions as a Puppet server for software
deployment and configuration management onto the OpenStack cluster,
as well as a Cobbler installation server to manage the PXE boot used for
rapid bootstrapping of the OpenStack cluster.
• VSM, VEM and VxLAN-VLAN Gateway Installation

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