Cacti监控远程服务器问题解决

使用模板ucd/net - Memory Usage，检测局域网内别的机器
发现有图，但是无数据，都是nan,
cacti log有如下错误
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[44] WARNING: Result from SNMP not valid.  Partial Result: U
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[43] WARNING: Result from SNMP not valid.  Partial Result: U
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[42] WARNING: Result from SNMP not valid.  Partial Result: U
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[41] WARNING: Result from SNMP not valid.  Partial Result: U
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[40] WARNING: Result from SNMP not valid.  Partial Result: U
04/22/2009 02:10:08 AM - CMDPHP: Poller[0] Host[7] DS[39] WARNING: Result from SNMP not valid.  Partial Result: U

于是
wget ftp://mirror.switch.ch/pool/1/mirror/scientificlinux/5rolling/i386/SL/net-snmp-utils-5.3.1-24.el5_2.1.i386.rpm
安装获得snmpget snmpwalk snmpbulkwakl snmpgetnext

snmpwalk -v 2c -c public your_remote_ip if
错误：
Timeout: No Response from your_remote_ip

于是修改snmpd配置 并启动snmpd
com2sec notConfigUser  default  public--->com2sec notConfigUser  your_snmpd_server_ip public
#view all    included  .1  80---->view all    included  .1  80

snmpwalk -v 2c -c public your_remote_ip system ok
但
snmpwalk -v 2c -c public your_remote_ip if
错误：
IF-MIB::ifTable = No Such Object available on this agent at this OID

于是再次修改snmpd.conf,并重启snmpd
access  notConfigGroup ""      any       noauth    exact  systemview none none-->
access  notConfigGroup ""      any       noauth    exact  all    none none

再次snmpwalk -v 2c -c public your_remote_ip if
ok

再访问页面终于图和数据出来了

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