Exploiting jumbo frames (also known as large buffer sizes) decreases System z CPU usage and increases network throughput. You increase the maximum transmission unit (MTU), thus decreasing the amount of overhead attributed to using a small block size.
Important! Remember to enable jumbo frames for all routers and other network interfaces on the same path.
The Best Practices Guide provides jumbo frames recommendations.
To guide you through the process, use the following scenario:
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