Cisco Cisco Catalyst Blade Switch 3020 for HP White Paper

Cisco

Design Guide

© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.

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Contents

Introduction ..................................................................................................................................... 3

HP c-Class BladeSystem Enclosure Overview ............................................................................. 3

Cisco Catalyst Blade Switch 3020 for HP...................................................................................... 5

Cisco Catalyst Blade Switch 3020 Features ................................................................................. 6

Spanning Tree.............................................................................................................................. 6

Traffic Monitoring.......................................................................................................................... 8

Link Aggregation Protocols........................................................................................................... 9

Data Center Network Architecture ............................................................................................... 10

Data Center Network Components............................................................................................. 10

Aggregation Layer ...................................................................................................................... 11

Access Layer.............................................................................................................................. 11

High Availability .......................................................................................................................... 12

Design Goals.............................................................................................................................. 12

High Availability .......................................................................................................................... 12

High Availability for the BladeSystem Switching Infrastructure .............................................. 13

High Availability for the Blade Servers ................................................................................... 13

Scalability ................................................................................................................................... 14

Physical Port Count ............................................................................................................... 14

Slot Count .............................................................................................................................. 15

Management .............................................................................................................................. 16

Out-of-Band Management ..................................................................................................... 16

In-Band Management ............................................................................................................ 17

Serial Console Port................................................................................................................ 17

Management Options............................................................................................................. 18

HP c-Class BladeSystem iLO Connectivity............................................................................ 18

Design and Implementation Details............................................................................................. 18

Network Management Recommendations.................................................................................. 18

Network Topologies Using the Cisco Catalyst Blade Switch 3020 ............................................. 19

Recommended Topology....................................................................................................... 19

Alternative Topology .............................................................................................................. 22

Configuration Details .................................................................................................................. 23

VLAN Configuration ............................................................................................................... 24

RPVST+ Configuration .......................................................................................................... 24

Inter-Switch Link Configuration .............................................................................................. 24

Server-Port Configuration ...................................................................................................... 26

Server Default Gateway Configuration................................................................................... 27

RSPAN Configuration ............................................................................................................ 28