Cisco Nexus 1000V Podręcznik wdrażania - Strona 13

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Cisco Nexus 1000V Podręcznik wdrażania
When the Cisco Nexus 1000V is used to manage the virtual access layer on Microsoft Hyper-V, Logical Networks
and Network Sites are created from the VSM. Network sites are referred to as network segment pools on the VSM
because they are a collection of VLAN and IP subnets: that is, network segments. Figure 10 shows an example of
how a Logical Network and network segment pool (Network Site) are created on Microsoft SCVMM.
Figure 10.

Virtual Machine Networks

A Virtual Machine Network or VM Network provides isolation to virtual machines deployed on the Microsoft Hyper-
V virtual access layer.
A Virtual Machine Network of a specific type is created by the server administrator by requesting a network
resource from the Logical Network, which is a pool of Network Sites or network segments. In the example in
Figure 10, the fabric administrator has created two types of Logical Networks: DMZ and Internal. The server
administrator can now create virtual machine networks of either the DMZ or the internal type.
A virtual machine network defines a routing domain similar to Cisco virtual routing and forwarding (VRF) instances
and can contain one or more virtual subnets. Each virtual subnet defines a Layer 2 broadcast domain.
Microsoft SCVMM 2012 SP1 supports four types of Virtual Machine Network:
VLAN
●
Network virtualization using generic route encapsulation (NVGRE)
●
External (VLAN)
●
Not Isolation
●
In the first release of Cisco Nexus 1000V, only external VLAN-based isolation is supported. Other segmentation
technologies such as NVGRE and VXLAN are not supported in the first release. VLAN-backed network segments
defined on the Cisco Nexus 1000V can be used by the Microsoft SCVMM administrator to create external Virtual
Machine Networks.
© 2013 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Creating a Logical Network and Network Segment Pool on Microsoft SCVMM
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