Hi Some addition... The Probem is related in parsing the ntpq lines when there is a IPv6 peer....
nagios:/etc/nagios-plugins/config# /usr/lib/nagios/plugins/check_ntp -j 2 -k 50 -H filter1 -v server 2001:4060:1:1001:211:25ff:fea9:88ae, stratum 3, offset -0.015338, delay 0.02600 ntperr = 0 6 Feb 14:47:05 ntpdate[29875]: adjust time server 2001:4060:1:1001:211:25ff:fea9:88ae offset -0.015338 sec ntperr = 0 remote refid st t when poll reach delay offset jitter ============================================================================== -157.161.1.2 192.36.143.150 2 u 693 1024 377 6.611 -3.519 1.119 *2001:4060:1:200 193.204.114.105 2 u 303 1024 377 3.178 -0.992 0.170 Candiate count= 1 +80.74.132.178 130.149.17.21 2 u 662 1024 377 20.516 -2.178 8.435 Candiate count= 2 -217.150.242.8 .DCFa. 1 u 306 1024 377 9.467 11.162 1.172 +217.150.241.215 213.144.132.141 2 u 357 1024 377 13.798 -1.858 3.700 Candiate count= 3 +213.144.132.251 130.149.17.8 2 u 694 1024 377 20.029 -0.411 3.774 Candiate count= 4 -195.216.80.207 195.216.80.206 2 u 367 1024 377 20.185 -4.721 5.209 -194.88.212.205 129.132.2.21 3 u 337 1024 377 8.728 3.433 2.052 -194.88.212.200 66.92.68.246 2 u 383 1024 377 5.706 -10.248 1.082 -193.138.215.60 80.74.132.178 3 u 285 1024 377 8.588 -5.517 0.344 127.127.1.0 LOCAL(0) 6 l 65 64 377 0.000 0.000 0.002 candidate match *2001:4060:1:200 193.204.114.105 2 u 303 1024 377 3.178 -0.992 0.170 Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. candidate match +80.74.132.178 130.149.17.21 2 u 662 1024 377 20.516 -2.178 8.435 Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. candidate match +217.150.241.215 213.144.132.141 2 u 357 1024 377 13.798 -1.858 3.700 Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. candidate match +213.144.132.251 130.149.17.8 2 u 694 1024 377 20.029 -0.411 3.774 Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. Use of uninitialized value in numeric gt (>) at /usr/lib/nagios/plugins/check_ntp line 307. Use of uninitialized value in concatenation (.) or string at /usr/lib/nagios/plugins/check_ntp line 346. NTP WARNING: Jitter too high Mit freundlichen GrĂ¼ssen Benoit Panizzon -- I m p r o W a r e A G - System Services ______________________________________________________ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 Pratteln Fax +41 61 826 93 01 Schweiz Web http://www.imp.ch ______________________________________________________