华为交换机和MRTG的问题！

wenta

用mrtg分析华为系列的路由器和交换机，mrtg提示错误，如下：\r\nSNMPGET Problem for ifInOctets.2 ifOutOctets.2 sysUptime sysName on cnc*@210.22.*.*::::::v4only\r\n at mrtg line 1798\r\nWARNING: skipping because at least the query for ifInOctets.2 on  210.22.*.* did not succeed\r\nWARNING: no data for ifInOctets&ifOutOctets:cnc*@210.22.*.*. Skipping further queries for Host 210.22.*.* in this round.\r\nERROR: Target[210.22.*.*_2][_IN_] \' $target->;[0]{$mode} \' did not eval into defined data\r\nERROR: Target[210.22.*.*_2][_OUT_] \' $target->;[0]{$mode} \' did not eval into defined data\r\nWARNING: Skipping Update of 210.22.*.*_2, inlast is not defined\r\nWARNING: Skipping Update of 210.22.*.*_2, outlast is not defined\r\n请大家指点一下！