https://community.hpe.com/t5/operating-system-openvms/x25-xxa312-link-down/m-p/3261131#M62619 Using NCL to show lapb link<BR />I got Protocol State is not Running......<BR />Leased Line Modem is connected but lapb link is down......<BR />What happen ?<BR /><BR /><BR />ncl&gt; show lapb link link-0 all status<BR /><BR />Node 0 LAPB Link link-0 <BR />AT 2004-04-28-14:39:38.905+08:00I-----<BR /><BR />Status<BR /><BR /> State = On<BR /> Protocol State = Initialising<BR /> Physical Port = Modem Connect Data Port pwa00 <BR /> Maximum PDU size = 263<BR /> Line Type = Nonswitched<BR /> UID = B284877C-98DE-11D8-B705-00062B01F8D5<BR /> Wed, 28 Apr 2004 01:59:59 GMT Thomas Lee_3 2004-04-28T01:59:59Z https://community.hpe.com/t5/operating-system-openvms/x25-xxa312-link-down/m-p/3261131#M62619 Using NCL to show lapb link<BR />I got Protocol State is not Running......<BR />Leased Line Modem is connected but lapb link is down......<BR />What happen ?<BR /><BR /><BR />ncl&gt; show lapb link link-0 all status<BR /><BR />Node 0 LAPB Link link-0 <BR />AT 2004-04-28-14:39:38.905+08:00I-----<BR /><BR />Status<BR /><BR /> State = On<BR /> Protocol State = Initialising<BR /> Physical Port = Modem Connect Data Port pwa00 <BR /> Maximum PDU size = 263<BR /> Line Type = Nonswitched<BR /> UID = B284877C-98DE-11D8-B705-00062B01F8D5<BR /> Wed, 28 Apr 2004 01:59:59 GMT https://community.hpe.com/t5/operating-system-openvms/x25-xxa312-link-down/m-p/3261131#M62619 Thomas Lee_3 2004-04-28T01:59:59Z https://community.hpe.com/t5/operating-system-openvms/x25-xxa312-link-down/m-p/3261132#M62620 If lapb (X.25 level 2) is down I would check the ssytem at the other end of the line. Do the lights on the modem indicate that the physical level connection is ok? Wed, 28 Apr 2004 03:36:52 GMT https://community.hpe.com/t5/operating-system-openvms/x25-xxa312-link-down/m-p/3261132#M62620 Ian Miller. 2004-04-28T03:36:52Z