Date: Wed, 30 May 2012 11:44:27 +0100 From: Bruce Cran <bruce@cran.org.uk> To: freebsd-net@freebsd.org Subject: if_em and large mtu bug? Message-ID: <4FC5FA0B.5010609@cran.org.uk>
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Are there any known problems with if_em and jumbo packets? I've found that my ssh connection breaks (when running dmesg etc.) if I configure the mtu to 9216 via rc.conf - but if I initially use a 1500 byte mtu and then manually configure it to 9216 then no problems occur. I'm running the latest -current: the hardware is: em0: <Intel(R) PRO/1000 Network Connection 7.3.2> port 0xdc00-0xdc1f mem 0xfbde0000-0xfbdfffff,0xfbd00000-0xfbd7ffff,0xfbddc000-0xfbddffff irq 16 at device 0.0 on pci1 em0: Using MSIX interrupts with 3 vectors -- Bruce Cran
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