Date: Thu, 12 Oct 2006 16:22:05 +0300 (EEST) From: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> To: Marius Strobl <marius@alchemy.franken.de> Cc: Miles Nordin <carton@Ivy.NET>, freebsd-sparc64@freebsd.org Subject: Re: Netra t1 105: novice questions Message-ID: <20061012161739.W18244@atlantis.atlantis.dp.ua> In-Reply-To: <20061012115625.GA68909@alchemy.franken.de> References: <EDD89D0E0D2ADF4A821782DE9C46973417C94472@exchange-USR32> <20061012111400.E36157@atlantis.atlantis.dp.ua> <20061012115625.GA68909@alchemy.franken.de>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello! On Thu, 12 Oct 2006, Marius Strobl wrote: >> I'm still curious (1) why there are 2 PHYs on 1st controller, and > > In short, harware-wise it simply has two PHYs attached to the > first HME. T1 105 consist of a CP1500 CompactPCI cartridge > (think of it as a stand-alone system board) and an expansion > board mounted back-to-back. The MII-buses of both HMEs span > both of these boards. For the first HME/MII-bus there's one > PHY and one RJ45 jack on the CP1500 and another PHY with > another RJ45 jack on the expansion board. The latter is the > one accessible from the back of the T1 105. You can see > though not use the first jack if you open the T1 105; IIRC > it's behind a piece of plastic between the power supply and > the CP1500. Indeed, I've found it ;) > HMEs support a maximum of two PHYs (meant as internal and > external PHY) while generally there can be a maximum of 32 > devices including the NIC on a MII-bus IIRC. Interesting design - I've never seen hardware with multiple PHYs per controller. >> (2) why MAC addresses are the same. > > Please go read the hme(4) man page. Thanks, setting local-mac-address? to true actually makes MACs different. > Marius Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20061012161739.W18244>