This section covers issues related to the operation of the Net-SNMP agent.
- What MIBs are supported?
- What protocols are supported?
- How do I configure the agent?
- How do I remove a MIB from the agent?
- I've installed a new MIB file. Why can't I query it?
- How do I add a MIB to the agent?
- What's the difference between 'exec', 'sh', 'extend' and 'pass'?
- What's the difference between AgentX, SMUX and proxied SNMP?
- What is the purpose of 'dlmod'?
- Which extension mechanism should I use?
- Can I use AgentX when running under Windows?
- How can I run AgentX with a different socket address?
- How can I turn off SMUX support?
- How can I combine two copies of the 'mib2' tree from separate subagents?
- What traps are sent by the agent?
- Where are these traps sent to?
- How can I send a particular trap to selected destinations?
- When I run the agent it runs and then quits without staying around. Why?
- After a while the agent stops responding, and starts eating CPU time. Why?
- How can I stop other people getting at my agent?
- How can I listen on just one particular interface?
- The agent is complaining about 'snmpd.conf'. Where is this?
- Why does the agent complain about 'no access control information'?
- How do I configure access control?
- How do I configure SNMPv3 users?
- The 'createUser' line disappears when I start the agent. Why?
- What's the difference between /var/net-snmp and /usr/local/share/snmp?
- My new agent is ignoring the old snmpd.conf file. Why?
- Where should the snmpd.conf file go?
- Why am I getting "Connection refused"?
- Why can't I see values in the UCDavis 'extensible' or 'disk' trees?
- Why can't I see values in the UCDavis 'memory' or 'vmstat' tree?
- What do the CPU statistics mean - is this the load average?
- How do I get percentage CPU utilization using ssCpuRawIdle?
- What about multi-processor systems?
- The speed/type of my network interfaces is wrong - how can I fix it?
- The interface statistics for my subinterfaces are all zero - why?
- Does the agent support the RMON-MIB?
- What does "klread: bad address" mean?
- What does "nlist err: wombat not found" (or similar) mean?
- What does "Can't open /dev/kmem" mean?
- The system uptime (sysUpTime) returned is wrong!
- Can the agent run multi-threaded?
- Can I use AgentX (or an embedded SNMP agent) in a threaded application?
Feel free to propose additional questions for this section
- problems with SELinux settings
a) running the agent
or suggest entries that might be more appropriate in a different section.
Comments on the content or phrasing of individual entries should be made on the relevant wiki page - this page is more intended for discussion of the higher-level structure of this section.
Other FAQ Sections
The other sections are: