Date: Wed, 15 Sep 2010 15:17:15 -0700 From: David Newman <dnewman@networktest.com> To: Adam Vande More <amvandemore@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: jumbo frame support in bge(4) for BCM5704 Message-ID: <4C9145EB.90900@networktest.com> In-Reply-To: <AANLkTi=nrAMj5t=%2BparFC-5wLkjeZtw_QtoTaDybzKHX@mail.gmail.com> References: <4C902D28.2040206@networktest.com> <AANLkTi=nrAMj5t=%2BparFC-5wLkjeZtw_QtoTaDybzKHX@mail.gmail.com>
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On 9/14/10 7:43 PM, Adam Vande More wrote: > On Tue, Sep 14, 2010 at 9:19 PM, David Newman <dnewman@networktest.com>wrote: > >> 8.0-RELEASE amd64, Tyan S2882-D motherboard, Broadcom BCM5704C gigabit >> Ethernet transceivers >> >> Thanks in advance for any clues on enabling jumbos on this system. >> > > What happens if you boot from a linux live cd and try to enable frames > there? With Ubuntu 10.04, the system accepts "ifconfig eth1 mtu N" for any value of N up to 9000, and shows an MTU of N in response to 'ifconfig'. With 8.1-RELEASE (not 8.0 as stated before, sorry), the command 'ifconfig bge0 mtu 8000' produces an error: ifconfig: ioctl (set mtu): Invalid argument Same thing with 'mtu 1500', 'mtu 1400', etc. dn
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