User's Manual

Design Guide
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 28
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