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9033645-01 SNMP Management 83
RFC 1213 (MIB-II)
RFC 1213 provides management of system-level parameters, including
TCP/IP protocol-related statistics, IP addressing, and interface statistics
for each switch port. MIB-II is the standard MIB defined by RFC 1213. All
agent devices operating SNMP are required to support at least part of
MIB-II.
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
VH-2402S switch 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 1573 (Interfaces Evolution MIB)
RFC 1573 clarifies and extends the managed objects of the “Interfaces”
group of MIB-II. This MIB takes account of the evolution in interface types
and speeds employed in today’s networks.
RFC 1643 (Ethernet-Like MIB)
RFC 1643 provides management and monitoring for the Ethernet-specific
aspects of each port on the switch. This is the Ethernet-specific statistics
subgroup of the MIB-II Transmission group. This group provides a set of
statistics related to Ethernet’s physical level operation. Specifically, error
and collision-related statistics are presented.
RFC 1493 (Bridge MIB)
RFC 1493 is a group defined under MIB-II. This MIB deals with the
operation of the system as an 802.1D-compliant bridge. Areas of
functionality supported by this group include Spanning Tree and
forwarding table information and configuration.