Lenovo Networking Best Practices for CNOS: Network Design and TopologiesPlanning / Implementation
This paper shows recommended network topologies with a focus on avoiding the use of Spanning Tree and providing maximal bandwidth and redundancy to serve a cluster of servers in a data center environment. The examples shown rely on the use of the CNOS firmware in Lenovo® top-of-rack switches. This paper is suitable for network designers and architects involved in designing or modifying a data center.
Table of Contents
Full mesh topology with Virtual Link Aggregation
Inverted U topology with failover
Traditional STP design with blocking
Isolated management network
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Changes in the January 31 update:
- Minor corrections to improve clarity