Network Availability Design Patterns
Chapter 6 presents the various approaches to achieving high-availability network designs, including trade-offs and recommendations. We describe various techniques, provide some detailed configuration examples of the different ways to connect servers to the edge switches, and touch on how data center switches can be configured for increased availability, as shown in FIGURE 1-8. The material in Chapter 6 is based on actual customer experiences and has proven to be quite valuable to the network architect. We describe the following Layer 2 approaches:
Trunking – NIC, server side
Trunking – Switch side, including Distributed Multi-link Trunking (DMLT)
Spanning Tree Protocol (STP)
Figure 1-8. Availability Strategies ...
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