Deployment Guide

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ScaleIO/VxFlex OS IP Fabric Best Practice and Deployment Guide with OS10EE | version 1.0
a. The total reservation for system traffic must not exceed 75% of the bandwidth supported by the
physical adapter with the lowest capacity of all adapters connected to the distributed switch.
6. In the Limit text box, enter the maximum bandwidth that system traffic of the selected type can use.
7. Click OK to apply the allocation settings.
4.5 Tuning Jumbo frames
In the initial system solution that was put together for this set of VxFlex OS validation scenarios, jumbo frames
was not enabled. After stability of the environment was confirmed, jumbo frames were enabled on all
networking components to improve the overall performance of the converged environment. This is a typical
industry method for improving the performance of any networking infrastructure, especially storage and
converged networks. This scenario was implemented to match the Dell EMC recommendation of initially
starting with jumbo frames disabled based on the complexity of the configuration. In summary, Dell EMC
recommends starting without jumbo frames for ease of configuration and initial setup. Only enable jumbo
frames after evaluating the complexity and benefits to the environment. Figure 26 below shows the interfaces
that require increased MTU values for a single path from SDC 1 to SDS 1.
Jumbo frame interface configuration points
Jumbo frames checklist
Step Number
Device
Checked?
1
VMkernel interface
2
Rack designated VDS
3
VLAN interface
4
Port Channel interface and members