Creating New MIB Objects: EXPRESSION-MIB

Even though the previous sections on generic accounting and performance MIBs and the technology-specific MIBs were comprehensive, you might experience situations in which the required managed object does not exist. As initially described in RFC 1213, a common MIB design principle is to minimize the number of managed objects:

“To avoid redundant variables, it was required that no object be included that can be derived from others in the MIB.”