Date: Fri, 9 Jun 2006 19:57:34 -0400 From: Brad <brad@comstyle.com> To: Mikhail Teterin <mi+mx@aldan.algebra.com> Cc: wpaul@windriver.com, net@freebsd.org Subject: Re: Can't turn on Jumbo Frames on bge0 Message-ID: <20060609235734.GG22853@blar.home.comstyle.com> In-Reply-To: <200606091949.07501.mi%2Bmx@aldan.algebra.com> References: <200606091949.07501.mi%2Bmx@aldan.algebra.com>
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On Fri, Jun 09, 2006 at 07:49:07PM -0400, Mikhail Teterin wrote: > Hello! > > I have a bge card, that's identified as: > > bge0: <Broadcom BCM5751 Gigabit Ethernet, ASIC rev. 0x4001> mem 0xfe8f0000-0xfe8fffff irq 16 at device 0.0 on pci2 > > According to http://h18000.www1.hp.com/products/quickspecs/12131_div/12131_div.HTML, > the BCM5751 support jumbo frames up to 9Kb. > > However, when I try to increase the MTU on the card even by a little bit, > I get: > > root@mi:/misha/mi (122) ifconfig bge0 mtu 1501 > ifconfig: ioctl (set mtu): Invalid argument > > Is the hardware lacking the capability, or am I doing something wrong? There is a mistake on that web-page. None of Broadcom's PCI Express chipsets support Jumbo frames.
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