CHAPTER 4 Topology MIB Objects
Mediant 800 SBC | SNMP Reference Guide
4
Topology MIB Objects
This section describes the topology of the MIB objects.
Physical Entity (RFC 2737)
The following groups are supported:
■
entityPhysical group: Describes the physical entities managed by a single agent.
■
entityMapping group: Describes the associations between the physical entities, logical
entities, interfaces, and non-interface ports managed by a single agent.
■
entityGeneral group: Describes general system attributes shared by potentially all types of
entities managed by a single agent.
■
entityNotifications group: Contains status indication notifications.
IF-MIB (RFC 2863)
The following interface types are presented in the ifTable:
■
ethernetCsmacd(6): for all Ethernet-like interfaces, regardless of speed, as per RFC 3635
■
ds1(18): DS1-MIB
■
voiceFXO(101): Voice Foreign Exchange Office
■
voiceFXS(102): Voice Foreign Exchange Station
The numbers in the brackets above refer to the IANA's interface-number.
For each interface type, the following objects are supported:
Ethernet Interface
Table 4-1: Ethernet Interface
ifTable & ifXTable
Value
ifIndex
Constructed as defined in the device's Index format.
ifDescr
Ethernet interface.
ifType
ethernetCsmacd(6)
ifMtu
1500
ifPhysAddress
00-90-8F plus acSysIdSerialNumber in hex.Will be same for
both dual ports.
ifAdminStatus
Always UP. [Read Only] - Write access is not required by the
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