
32 Network Virtualization with Dell Infrastructure and VMware NSX | Version 1.2
Figure 24 Dell Networking Hybrid L2/L3 Underlay with iSCSI Storage and DCB
8 Additional Network Design and Scaling Considerations
In the example network designs shown in this whitepaper, Dell S6000 switches are used at the spine/core.
A Dell S6000 switch provides 32 x 40 GbE ports. With the design shown in this whitepaper, assuming 26 x
40 GbE ports are left after subtracting ports used for management, storage, VLTi, and uplinks, and
assuming only blade servers are used, it is possible to scale up to 208 blade servers with a 2:1
oversubscription (using 2 x MXLs with 2 x 40 GbE ports per MXL for uplinks). Using just rack servers, it is
possible to scale up to 624 servers with a 3:1 oversubscription (using 4 x 40 GbE ports for uplinks).
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