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A B 二台服务器都是RH 版本内核都一致
snmp 版本配置文件都一致
A 服务器安装有 mrtg 并能正常显示。
在A服务器上继续添加B服务器
/usr/local/mrtg/bin/cfgmaker --global "WorkDir: /usr/local/apache2/htdocs/mrtg" \
--global "Options[_]: growright,bits" \
public@B服务器IP >> /etc/mrtg/mrtg.cfg
报错如下:
SNMP Error:
no response received
SNMPv1_Session (remote host: "B服务器IP"
[B服务器IP].161)
community: "public"
request ID: 1619408191
PDU bufsize: 8000 bytes
timeout: 2s
retries: 5
backoff: 1)
at /usr/local/mrtg/bin/../lib/mrtg2/SNMP_util.pm line 629
SNMPWALK Problem for 1.3.6.1.2.1.1 on public@B服务器IP::::::v4only
at /usr/local/mrtg/bin/cfgmaker line 950
WARNING: Skipping public@B服务器IP: as no info could be retrieved
查看B服务器情况 :
# netstat -tunlp |grep snmpd
tcp 0 0 0.0.0.0:199 0.0.0.0:* LISTEN 9069/snmpd
udp 0 0 0.0.0.0:161 0.0.0.0:* 9069/snmpd
iptables 的内容为:
-A RH-Lokkit-0-50-INPUT -s A服务器IP -p tcp -m tcp --dport 199 --tcp-flags SYN,RST,ACK SYN -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p udp -m udp --sport 161 -j ACCEPT
我停掉B服务器防火墙 也无法连接 。。。
实在不解,在版本配置文件都相同的情况下为啥就是无法连接???
我贴出我的 snmpd.conf 文件内容:
view systemview included system
view systemview included .1.3.6.1.2.1.2
view mib2 included .iso.org.dod.internet.mgmt.mib-2 fc
syslocation Unknown (edit /etc/snmp/snmpd.conf)
syscontact Root <root@localhost> (configure /etc/snmp/snmp.local.conf)
pass .1.3.6.1.4.1.4413.4.1 /usr/bin/ucd5820stat
group notConfigGroup v2c notConfigUser
group notConfigGroup v1 notConfigUser
com2sec notConfigUser default public
access notConfigGroup "" any noauth exact mib2 none none |
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