How Do I Increase the Ring Buffer Size in Linux?
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The RX ring buffer size can be examined with the ethtool -g command. The default RX Ring size is 256 (the maximum is 4096). User can increase this with the ethtool -G command. Monitor the ifconfig output to see if the RX drops stop.

What is ring buffer in Linux?

The kernel ring buffer is a data structure that records messages related to the operation of the kernel. A ring buffer is a special kind of buffer that is always a constant size, removing the oldest messages when new messages are received.

What is Rx ring buffer?

Ring Buffer Contains Start and End Address of Buffer in RAM. TX Ring will contain addresses of Buffer in RAM that contains data to be transmitted. RX Ring will contains address of Buffer in RAM where NIC will place data. These rings are present in RAM.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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