I think that something like this was talked about here some time ago. I think it had to do with a timing issue. One side had to be set to provide timing or some such thing.......... Kevin Wigle ----- Original Message ----- From: "Tom Keough" To: Sent: Saturday, 15 September, 2001 19:30 Subject: Re: Problem connecting 2 routers w/ATM OC3 int back to back [7:20071] > Thank you, Thomas. > Yes, I have the TX crossed to the RX, otherwise the error lights light up. > Tom > > -- > > Tom Keough, CCNP MCSE > CCIE Candidate > [EMAIL PROTECTED] > > > ""Thomas Larus"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > I think this would involve making sure that you plug the TX (SC or ST) > plug > > into the OC3 interface's RX jack (SC or ST) opening, and vice-versa. I > > can't afford ATM for my lab, but I remember thinking it was neat that you > > could do some basic ATM stuff without the switch. If you are asking for > > some guidance at a more advanced level than this basic cabling level, then > > forgive my post. > > > > Thomas Larus > > ""Tom Keough"" wrote in message > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > Hello groupstudy, > > > The problem is that when I configure and no shut the interfaces they > just > > > bounce between up and down every few seconds. I can put up a "loopback > > > diagnostic" and ping each interface ok. I have connected a 3640 and a > 2600 > > > each with an ATM OC3 card back to back. I suspect I have not installed > the > > > two multimode fiber cables properly. I have searched CCO but can't find > > > instructions for cabling the back to back configuration. I am using > > Caslow's > > > book for the ATM configuration. > > > > > > I just read in the ATM section of the All-In-One CCIE Lab Study Guide > > about > > > using one fiber cable for the back to back config vs. two cables to a > > switch > > > but which cable to which jack?? I won't have access to my lab again > until > > > Monday or I'd be cable swapping right now. > > > > > > If anyone has any info on this I would greatly appreciate hearing from > > > you... > > > TIA, > > > Tom > > > > > > -- > > > > > > Tom Keough, CCNP MCSE > > > CCIE Candidate > > > [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=20074&t=20074 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
