On an ethernet a "no keep" will bring the interface "up" and some platforms you can bring up a serial with a "no keep" and "loopback" command.
Dave John Neiberger wrote: > > For line protocol to be up, the interface must be connected to > a neighbor, configured correctly, and not administratively down. > > If this is a serial connection then you need the following: > > 1. Correct cabling (back-to-back cables) > 2. Clocking, provided by the router with the DCE cable attached. > 3. Datalink protocols must be the same on each side. The > default is HDLC but you can also use PPP or Frame Relay back to > back, although frame relay requires a little extra > configuration to do back-to-back. > > When you do a show interface you see the following: > > Router#sho int s0 > Serial0 is up, line protocol is down > > The first part of that line refers to the state of the physical > layer (cabling and clocking.) The second part refers to the > datalink layer connection. For the datalink layer to be UP, > the router must be talking to a neighbor that is speaking the > same language. > > HTH, > John > > ________________________________________________ > Get your own "800" number > Voicemail, fax, email, and a lot more > http://www.ureach.com/reg/tag > > ---- On Thu, 10 Jan 2002, Stephane Wantou Siantou > ([EMAIL PROTECTED]) wrote: > > > Hi everybody, > > > > Can anybody tell me how to turn "line protocol up" on an > interface? > > Thanks, > > Stephane > [EMAIL PROTECTED] -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=31634&t=31611 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
