User guide

9033060 SNMP Management 89
This MIB reports information about the protocols and network interfaces
supported on the agent itself, as well as other general information. The
MIB is divided into a number of groups, each of which corresponds to a
specific protocol or set of information. Some groups are defined in other
RFC documents.
The groups specifically defined in RFC 1213 and supported by the
ELH100-12/24TX hub system software are as follows:
• System – General information about the agent system
• Interfaces – Information about the network interfaces of the system
• Address Translation – Interface address information, both MAC level
and network (IP) level
• IP – Statistics and information related to the IP protocol
• ICMP – Statistics and information related to the ICMP protocol
• TCP – Statistics and information related to the TCP protocol
• UDP – Statistics and information related to the UDP protocol
• Transmission – Statistics and information related to the physical
network medium to which the system interfaces (e.g. Ethernet, token
ring, etc.).
• SNMP – Statistics and information related to the SNMP protocol
RFC 2108 (Multi-segment Repeater)
RFC 2108 provides management and monitoring for multi-segment
repeaters. This group provides a set of managed objects for devices
(repeaters, MAUs, interfaces) that conform to the IEEE 802.3 standard for
Ethernet.
RFC 1643 (Ethernet-like)
RFC 1643 provides management and monitoring for the Ethernet-specific
aspects of each segment on the hub. Instances of these object types
represent attributes of an interface to an Ethernet-like communications
medium.
RFC 1757 (RMON MIB)
RFC 1757 is a group defined under MIB-II. This MIB provides
management for the RMON aspects of the hub. The ELH100-12/24TX
hub supports four of the nine groups of RMON defined for Ethernet
networks on a per segment basis. For further information, see the
subsection “RMON” in Chapter 1 or “RMON Browser” in Chapter 5.
Cabletron Proprietary MIB Extensions
Areas of ELH100-12/24TX hub functionality not covered by the standard
RFC MIBs are specified in the Cabletron private MIB. This MIB definition
is specified separately from MIB-II. Areas covered in this MIB include
various system, hub, and port level information.