To provide the best performance on Dell Unity iSCSI connections, configuring Jumbo frames end-to-end is recommended. Jumbo frames allow for larger packet sizes than the standard 1500 bytes, typically up to 9000 bytes. This reduces the number of packets transmitted, decreases CPU utilization, and improves overall network efficiency. Here’s how to configure Jumbo frames:
Switch Configuration:Enable Jumbo frames on all network switches that will handle iSCSI traffic.
Network Interface Configuration:Configure all network interfaces (NICs) on the storage system and the iSCSI hosts to support Jumbo frames.
End-to-End Consistency:Ensure that Jumbo frames are configured consistently across the entire network path from the storage system to the hosts to avoid fragmentation and performance degradation.
References:
Dell Technologies Unity iSCSI Best Practices
Dell Entry-Level and Mid-Range Storage Community
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