Thats the worst advice I have heard in a good while. Setting one end hard-set and the other to auto is asking for collision and FCS errors. Any time I have an FCS or collision issue its because of that issue...
manually set both sides and you should be safe.... Larry Letterman Network Engineer Cisco Systems ----- Original Message ----- From: "Jens Neelsen" To: Sent: Wednesday, February 19, 2003 9:27 PM Subject: RE: 100 Mbps on Cat3 or Cat4 [7:63310] > Hi, > do not buy old 10 Mbps Hubs or switches unless they are very > cheap (Cisco 1924 switches are cheap on Ebay). > I suggest to test the following version if you use 10/100 > switches: Set the switch to 10Mbps full duplex and leave the PC > at AUTO. This could make the upgrade easier because you have > just to configure the switch. > Jens Neelsen > > --- "Adam Grimes (adgrimes)" wrote: > > I think the best bet for you would be to start buying the > > 10/100Mbps > > switches and manually setting the PCs to 10Mbps. > > That way you havent wasted money on expensive 10Mbps switches > > which > > (when Cat5 cable is eventually installed) will be obselete. > > Then it's > > just a case of going round and doing the (tedious) job of > > switching the > > NIC's back to autosense... > > I'll try and test the Cat3/Cat4 problem out in our lab and > > post an > > update. > > > > Adam > > > > Adam Grimes > > > > IT Engineer - CCNP/CCDA > > Cisco Systems > > > > > > > > -----Original Message----- > > From: Pat Do [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, February 19, 2003 3:00 AM > > To: [EMAIL PROTECTED] > > Subject: 100 Mbps on Cat3 or Cat4 [7:63310] > > > > > > Are unintelligent 10 Mbps hubs better than unintelligent > > 10/100 Mbps > > switches when the network cables that connect the PCs to the > > hub or > > switch are Cat3 or Cat4? > > > > I provide network services to dozens of non-profits. Most of > > the sites > > have Cat3 or Cat4 cabling. I have a co-worker who says that 10 > > Mbps hubs > > should be used until the sites are upgraded to Cat5 (which > > won't be > > happening any time soon). > > > > His rational: If the PC NICs are set to auto detect speed and > > the > > unintelligent 10/100 switch is set to auto detect speed, that > > data will > > try to pass through the Cat3 or Cat4 wire at 100 Mbps. He > > says that > > while the data can pass thru the wire at those rates, it's the > > signaling > > that gets scrambled at that rate on a Cat3 or Cat4 wire. > > Consequently, > > to prevent signaling problems that may in turn cause data > > integrity > > problems, he's recommending to use 10 Mbps hubs. Is this a > > valid > > argument? > > > > Note: New, unintelligent 10 Mbps hubs appear to be becoming > > less > > available and more costly relative to unintelligent 10/100 > > Mbps switches > > as time goes on. Consequently, this issue is starting to have > > financial > > implications. > [EMAIL PROTECTED] [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=63409&t=63310 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
