The one problem with running it on one power supply is that it can only power the first four blades. When booted it will only bring up the supervisor as well under the latest code releases. Older code will allow it to bring up the first four blades and leave the last two in a disabled state, if so equipped.
David C Prall [EMAIL PROTECTED] http://dcp.dcptech.com > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of x > Sent: Friday, April 12, 2002 8:01 AM > To: [EMAIL PROTECTED] > Subject: Re: 4006 Power Supplies [7:41257] > > > Jeff, > We just bought a Cisco 4006 switch. Our reseller and > our Cisco rep both told us we need two power supplies > to run it and one for redundancy. They both went on > to say the power supply is the first thing to go. > They sold me on it so I got all three power supplies. > > I got the switch a few weeks ago and I threw in the > two 10/100 blades and the extra power supply. I > unplugged one power supply and it still seemed fine. > I decide to unplug another and leave only one running > just to see if it would die. It ran for 30 minutes > until I decided to plug it back in, keep in mind I > didn't have anything attached at the time. > > I am guessing if you really wanted to you could get > away with one, but when your spending that much(think > it was around $14k to $15k) an extra $600 or so to > protect your investment is no big deal. I also like > the fact that if two powersupplies die it will still > probably run and I can take my time replacing them. A > good night's sleep is worth $600 to me. > > > --- Jeffrey Reed wrote: > > Im trying to understand power redundancy in the > > Cisco 4006 switch. Reading > > through the online information, Cisco seems to imply > > you must have at least > > two power supplies up and running at all times. The > > 3rd power supply > > provides redundancy. Other vendors allow you to run > > at least a partially > > populated chassis on one power supply. If I have a > > 4006 with SUPII and one > > 48-port blade, do I really need three power > > supplies? Anyone have experience > > with 4006s and power supplies? > > > > Thanks!! > > > > Jeffrey Reed > > Classic Networking, Inc. > > Cell 717-805-5536 > > Office 717-737-8586 > > FAX 717-737-0290 > [EMAIL PROTECTED] > > > __________________________________________________ > Do You Yahoo!? > Yahoo! Tax Center - online filing with TurboTax > http://taxes.yahoo.com/ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=41337&t=41257 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
