http://www.rfc-editor.org/rfc/rfc4444.txt
RFC 4444: Management Information Base for Intermediate System to Intermediate System (IS-IS), J. Parker2006-04-01T23:00:00-00:00This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. Specifically, this document describes a MIB for the Intermediate System to Intermediate System (IS-IS) Routing protocol when it is used to construct routing tables for IP networks. [STANDARDS-TRACK]