Re: centos 6 and super jumbo frames

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On 11/09/2015 08:34 AM, Steve Clark wrote:

Has anyone using CentOS 6 been able to successfully set an mtu larger than 9710 on an interface.

Maximum frame size varies from implementation to implementation:
http://pages.uoregon.edu/joe/jumbo-clean-gear.html

It's also worth noting that that due to offloading features in modern NICs, there's often very little benefit to large frames. Since you *really* need all of the devices on any network segment to use the same MTU, the best option might be to eliminate jumbo frames (and test the impact of doing so in terms of throughput and CPU utilization).
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