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© 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