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Re: Ethernet jumbo frame support in sparc64 (ultrasparc)
On Fri, Aug 24, 2012 at 12:52:32PM -0700, Erik E. Fair wrote:
> What's the state of ethernet jumbo frame support (support for MTU
> larger than 1500) in the Ethernet NICs that typically show up in
> UltraSPARC systems, e.g. hme, gem, bge? Which ones support it, and
> how big is the MTU allowed to get in each case? (this should all
> be in our man pages ...)
Are any of those likely to have hardware limits - apart from the
number of bytes representable in a single ring entry?
If hme is the sbus FEPS (fast ethernet/parallel/scsi) chip, ISTR that
has to use overlong receive buffers due to some rounding/length issue.
(Relevent brains cells are asleep.)
David Laight: david%l8s.co.uk@localhost
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