Table Of Contents - Cisco Nexus 1000V Series Deployment Manual

Contents
Overview ............................................................................................................................................................................... 3
Audience............................................................................................................................................................................... 3
Introduction.......................................................................................................................................................................... 3
Cisco Nexus 1000V Series Components........................................................................................................................ 3
Network Policy.................................................................................................................................................................. 4
Cisco Nexus 1000V Series Theory of Operation ............................................................................................................ 4
VMware Networking Overview ........................................................................................................................................ 4
System Overview ............................................................................................................................................................. 6
Virtual Chassis............................................................................................................................................................. 6
Network Policy Management...................................................................................................................................... 6
Policy Mobility......................................................................................................................................................... 7
Installation.................................................................................................................................................................... 7
Virtual Supervisor Module................................................................................................................................................ 7
Cisco NX-OS Software ............................................................................................................................................... 8
VSM Networking.......................................................................................................................................................... 8
Control Interface..................................................................................................................................................... 9
Management Interface ........................................................................................................................................... 9
Packet Interface ................................................................................................................................................... 10
Communication Between VSM and VMware vCenter ............................................................................................ 10
Cisco Nexus 1000V Series VMware vCenter Server Extension ....................................................................... 10
Opaque Data ........................................................................................................................................................ 11
Virtual Ethernet Module ................................................................................................................................................. 11
Switch Port Interfaces ............................................................................................................................................... 12
Switch Forwarding..................................................................................................................................................... 12
MAC Address Learning........................................................................................................................................ 13
Loop Prevention ................................................................................................................................................... 13
VEM-VSM Communication ....................................................................................................................................... 13
Domain ID ............................................................................................................................................................. 14
Packet Interface Communication ........................................................................................................................ 14
Port Profiles .................................................................................................................................................................... 14
Live Policy Changes.................................................................................................................................................. 15
Uplink Profiles............................................................................................................................................................ 15
System VLANs ..................................................................................................................................................... 15
Cisco Nexus 1000V Series Network Design ................................................................................................................. 16
Network Design Considerations .................................................................................................................................... 16
Design Goals ............................................................................................................................................................. 16
Traffic Classification .................................................................................................................................................. 16
VLAN Consistency .................................................................................................................................................... 17
Traffic Separation ................................................................................................................................................. 17
Upstream Switch Connectivity.................................................................................................................................. 17
Individual Uplinks ................................................................................................................................................. 17
PortChannels........................................................................................................................................................ 18
Virtual Port Channel Host Mode.......................................................................................................................... 18
Load Balancing..................................................................................................................................................... 18
Source-Based Hashing ........................................................................................................................................ 18
Flow-Based Hashing ............................................................................................................................................ 19
Control Interface Prioritization ............................................................................................................................. 19
Spanning Tree Protocol ....................................................................................................................................... 19
VSM Design............................................................................................................................................................... 19
Virtual Machine Design ........................................................................................................................................ 19
Adjacency ............................................................................................................................................................. 20
Latency ................................................................................................................................................................. 20
Traditional Cisco Network .............................................................................................................................................. 20
Two-NIC Design Examples....................................................................................................................................... 20
Four-NIC Design Examples ...................................................................................................................................... 21
Single-PortChannel Alternative ........................................................................................................................... 22
Six-NIC Design Examples ........................................................................................................................................ 23
For More Information ........................................................................................................................................................ 24
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Deployment Guide
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