I would add a mismatch encap to that list. HDLC on one side and PPP on the other with show up/down. Don ----- Original Message ----- From: "Tim Potier" To: Sent: Friday, June 21, 2002 10:15 AM Subject: Re: serial interface down/down or up/down [7:47101]
> I have found a good bit of conflicting information on the causes of > down/down and up/down. All agree that down/down can be caused by: > 1. no cable connection > 2. CSU/DSU powered down > Some other reasons, although not consistently referenced in the literature > are: > 1. Faulty cable (may also cause up/down) > 2. csu/dsu failure (not specify hardware or software)(may also cause up/down) > 3. router serial int hardware problem > 4. a DCE router interface will be down/down if DTR is not raised by the DTE > device > > There are a plethora of reasons for up/down > > Not sure this clarifies, but hope it helps some Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=47137&t=47101 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
