From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry Van Baren Date: Wed, 21 Jan 2009 07:23:53 -0500 Subject: [U-Boot] Fw: TFTP fails when using network switch In-Reply-To: <20090120171443.2c55ee6b@uncle-pecos.Colorado.EDU> References: <20090105170259.1a85f15a@uncle-pecos.Colorado.EDU> <3efb10970901052341i406ab4a2t6ae8ca9943d604f@mail.gmail.com> <1231282371.32308.276.camel@elrond.atmel.com> <20090106230032.1ADCB8387CDB@gemini.denx.de> <4964A5AA.4060107@ge.com> <1231357011.32308.429.camel@elrond.atmel.com> <49650949.3010601@ge.com> <58ca9a060901151636od767012l1469b2e09946e2c1@mail.gmail.com> <4970A90F.3040308@ge.com> <20090119170026.7e120738@uncle-pecos.Colorado.EDU> <4975255F.9090109@gmail.com> <20090120095547.466b2e93@uncle-pecos.Colorado.EDU> <49760650.6040105@ge.com> <20090120171443.2c55ee6b@uncle-pecos.Colorado.EDU> Message-ID: <497713D9.7080705@ge.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Loren A. Linden Levy wrote: > Hi Jerry, > > Your gonna love this. I was setting the hardware MAC address to be > FF:FF:FF:FF:FF:FF. When i changed this everything magically started > working. I guess this MAC has some meaning like the device is a > router. Anyway, i learned a lot while trying to figure this > out. Thanks again! > > Alex That is a multicast (broadcast) address (the bit 0x01 in the first octet is set). Very wrong, as you now know. More detailed explanation: Best regards, gvb