Follow-up Comment #2, bug #87892 (project xrootd): Here is the debugging (atlas22 is a single nic machine) xrd atlas22.hep.anl.gov root://atlas22.hep.anl.gov:1094//> dirlist /atlas sec_Client: protocol request for host 146.139.33.18 token='&P=sss,0.13:&P=unix' sec_PM: Loading sss protocol object from libXrdSecsss.so sec_PM: Using sss protocol, args='0.13:' sec_sss: Init_Client: Unable to determine keytab location. sec_PM: Using unix protocol, args='' sec_Client: protocol request for host 146.139.33.21 token='&P=sss,0.13:&P=unix' sec_PM: Using sss protocol, args='0.13:' sec_sss: Init_Client: Unable to determine keytab location. sec_PM: Using unix protocol, args='' sec_Client: protocol request for host 146.139.33.41 token='&P=sss,0.13:&P=unix' sec_PM: Using sss protocol, args='0.13:' sec_sss: Init_Client: Unable to determine keytab location. sec_PM: Using unix protocol, args='' drwx(051) 4096 2011-10-16 22:19:57 /atlas/local drwx(051) 4096 2011-10-16 22:20:10 /atlas/local -rw-(048) 19 2011-10-19 11:32:30 /atlas/xrootd-copy-test.ascint1y [root@ascint1y ~]# xrd atlas21.hep.anl.gov (C) 2004-2010 by the Xrootd group. Xrootd version: v3.1.0-rc3 Welcome to the xrootd command line interface. Type 'help' for a list of available commands. dirlist /atlas sec_Client: protocol request for host atlas21.hep.anl.gov token='&P=unix&P=sss,0.13:&P=sss,0.13:' sec_PM: Loading unix protocol object from libXrdSecunix.so sec_PM: Using unix protocol, args='' root://atlas21.hep.anl.gov:1094//> dirlist /atlas sec_Client: protocol request for host 127.0.0.1 token='&P=sss,0.13:&P=unix' sec_PM: Loading sss protocol object from libXrdSecsss.so sec_PM: Using sss protocol, args='0.13:' sec_sss: Init_Client: Unable to determine keytab location. sec_PM: Using unix protocol, args='' drwx(051) 4096 2011-10-16 22:20:10 /atlas/local -rw-(048) 19 2011-10-19 11:32:30 /atlas/xrootd-copy-test.ascint1y root://atlas21.hep.anl.gov:1094//> exit Goodbye. [root@ascint1y ~]# nslookup atlas21.hep.anl.gov Server: 146.139.254.3 Address: 146.139.254.3#53 Name: atlas21.hep.anl.gov Address: 146.139.33.14 _______________________________________________________ Reply to this item at: <http://savannah.cern.ch/bugs/?87892> _______________________________________________ Message sent via/by LCG Savannah http://savannah.cern.ch/