mrtg 错误

2013-10-3121:46:33:WARNING:[email protected]:ref:'Name'key:'Ethernet0/0'
2013-10-3121:46:33:WARNING:[email protected]:ref:'Name'key:'Ethernet0/2'
2013-10-3121:46:33:ERROR:Target[192.168.2.4_ethernet0_0][_IN_]'$target->[0]{$mode}'didnotevalintodefineddata
2013-10-3121:46:33:ERROR:Target[192.168.2.4_ethernet0_0][_OUT_]'$target->[0]{$mode}'didnotevalintodefineddata
2013-10-3121:46:33:ERROR:Target[192.168.2.4_ethernet0_2][_IN_]'$target->[1]{$mode}'didnotevalintodefineddata
2013-10-3121:46:33:ERROR:Target[192.168.2.4_ethernet0_2][_OUT_]'$target->[1]{$mode}'didnotevalintodefineddata

莫名其妙的mrtg数据就不更新了，（有人说重启mrtg就会出现这样的问题）.运行mrtg就提示这样的错误.解决方法.删除/var/lib/mrtg/_etc_mrtg.cfg文件即可