Physical Topology MIB (ptopomib)
































Charter































Status: Concluded October, 2000 































































Chair(s):































































 Ken Jones 































































Description of Working Group:































Document Editor: Gilbert Ho (Gilbert_Ho@3mail.3com.com)































































































The goals of this working group are:































































   o to agree on and document the common framework/model for































     discussing physical topology































   o to standardize a set of managed objects that provide physical































     topology information































   o to document media specific mechanisms to communicate topology































     information.































































The managed objects should provide sufficient information to allow a































management workstation to navigate across a set of agents in order to































learn the topology of arbitrarily large networks, and these objects































should be as independent as possible from the specific underlying































networking media which comprise the network. These objects will be the































minimum necessary to provide the ability to support the physical































topology discovery, and will be consistent with the SNMP framework and































existing SNMP standards.































































 































In defining these objects, it is anticipated that the working group































will leverage existing work for representing port-based information,































such as in the Repeater MIB (RFC 1516 or later) and may also leverage































work in the entity MIB for describing logical and physical































relationships.































 































The working group will define the general requirements for topology































mechanisms in order to support the proposed MIB.  It will also identify































existing topology mechanisms for common LAN media types and may propose































new topology mechanisms for LAN media types where required.  It is a































goal of the common topology MIB to allow the use of either standard or































proprietary topology mechanisms within the underlying media.































 































At this time, it is not a goal of the working group to support the































collection or representation of logical topology information, such as































VLAN configuration or subnet structure.  It is anticipated that this































could be an area for future work items, so some consideration will be































given to extensibility of the models and to the MIB.  However, this































consideration must not be allowed to impede progress on the primary































focus of physical connectivity.































Request for Comments:

  • RFC2922 Physical Topology MIB (Informational)