3.4 Interface Types
The interfaces group of RFC 1213 contains only a partial list of interface
types that can be specified in the ifType object. For a complete list
refer to the IANA registry at ftp://ftp.isi.edu/mib/ianaiftype.mib.
If the text proposed by Bill Wagner is approved, Bill's section 3.4
ahould be changed to 3.5.