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Patch Reviews - SUN (MOSC)

How to enable jumbo frames on a SPARC T4-1

Jul 22, 2014 4:51PM in Patch Reviews - SUN (MOSC) Question

T4-1 current setting is mtu=1500, I want to use jumbo frames, mtu=9000, the attached network devices are set-up for 9000, so no issue there.

This server also has several LDOMs running on it, they are also at 1500 and I want them to be 9000.

Questions

Is it possible to enable jumbo frames on the T4 without a reboot?
Will the LDOMs automatically pick the new setting - or do I need to go to each LDOM and set it there?
If a reboot is required, what is the best order to do things in, for example, set the mtu in each of LDOMs, then the host, then reboot?

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