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标题
buffer too small to read octet string -
说明
Lots of emails from cron jobs (buffer too small to read octet string (17 < 17))
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原因
The root cause is a yet unresolved bug in net-snmp:The actual error message pops up from the net-snmp package, which powers both the snmp traps and the email sending.Here you can see the error message in the source code: https://sourceforge.net/p/net-snmp/code/ci/master/tree/snmplib/read_config.c#l2028 -
解决办法
It was fixed in PSM versions up to 5.0.7 on the LTS line and 5.8.0 on the feature product line.As a workaround please log in to the core shell and execute the following:rm /var/lib/snmp/snmpapp.confDong so will stop the false e-mail warnings immediately.By deleting this automatically created wrong snmp config file one allows the next run of snmp to re-create it correctly.