MRTG的一个问题！

lx

请教，我在对ISA做MRTG流量监控，但出现错误！其他服务器是正常的；<br>
按照正常的流程出现如下信息：<br>
C:\Perl\bin>perl c:\mrtg\bin\cfgmaker akmcisa@172.21.129.244 --global "workdir: c:\inetpub\wwwroot\mrtg" --output mrtg.cfg<br>
--base: Get Device Info on akmcisa@172.21.129.244:<br>
SNMP Error:<br>
no response received<br>
SNMPv1_Session (remote host: "172.21.129.244" [172.21.129.244].161)<br>community: "akmcisa"<br>request ID: 1550463695<br>PDU bufsize: 8000 bytes<br>timeout: 2s<br>retries: 5<br>backoff: 1)<br>at c:/mrtg/bin\..\lib\mrtg2/SNMP_util.pm line 627<br>
SNMPWALK Problem for 1.3.6.1.2.1.1 on akmcisa@172.21.129.244::::::v4only<br>at c:\mrtg\bin\cfgmaker line 831<br>
WARNING: Skipping akmcisa@172.21.129.244: as no info could be retrieved<br>
<br>
--base: Writing mrtg.cfg<br>
<br>
还望大家能帮助哦！谢谢了！