Similarly, the uppermost MIB contains a variety of MIBs beneath it. MIBs are referred to by name or by number. The numerical MIB is longer than the word one. Almost every MIB you encounter will have this leading string, which is why nobody bothers writing it down any more. Most SNMP tools prefer numerical MIBs.
People prefer words.
By the end of this article, you can use whichever you prefer. As usual, while my examples are written for FreeBSD, you can use them on NetBSD or OpenBSD with only minor modifications. Exact SNMP MIBs can vary from device to device, and with the agent used. You'll want to check the documentation for your SNMP agent, or your device, to see what MIBs are available. The best SNMP agent for BSD is ucd-snmp .