2 managed objects for bridges — from rfc 1493, 1 ‘dot1dbase’ group 1.3.6.1.2.1.17.1, 1 ’dot1dbaseporttable’ 1.3.6.1.2.1.17.1.4 – Contemporary Control Systems Compact Managed Switches Software Manual for Web Browser User Manual
Page 67: Managed objects for bridges — from rfc 1493, Dot1dbase’ group 1.3.6.1.2.1.17.1

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5.2.2 Managed Objects for Bridges — From RFC 1493
Bridge MIB — ‘dot1dBridge’ 1.3.6.1.2.1.17
5.2.2.1 ‘dot1dBase’ group 1.3.6.1.2.1.17.1
oid = “1.3.6.1.2.1.17.1.1.0”
dot1dBaseBridgeAddress: The MAC address used by this bridge
Access: read-only
oid = “1.3.6.1.2.1.17.1.2.0”
dot1dBaseNumPorts: The number of ports controlled by this bridging switch
Access: read-only
oid = “1.3.6.1.2.1.17.1.3.0”
dot1dBaseType: Indicates what type of bridging this bridge can perform
1 = unknown
2 = transparent-only
3 = sourceroute-only
Access: read-only
5.2.2.1.1 ’dot1dBasePortTable’ 1.3.6.1.2.1.17.1.4
oid = “1.3.6.1.2.1.17.1.4.1.1.port”
dot1dBasePort: The port number of the port for which this entry contains bridge
management information
Access: read-only
oid = “1.3.6.1.2.1.17.1.4.1.2.port”
dot1dBasePortIfIndex: The value of instance of ifIndex object defined in Interface
group of MIB-2 for the interface corresponding to this port
Access: read-only
oid = “1.3.6.1.2.1.17.1.4.1.3.port”
dot1dBasePortCircuit: For a port which has the same value of dot1BasePortIfIndex as
another port on the same bridge, this object contains the name of an object instance
unique to this port. For a port which has a unique value of dot1dBasePortIfIndex, this
object can have the value {0}.
Access: read-only
oid = “1.3.6.1.2.1.17.1.4.1.4.port”
dot1dBasePortDelayExceededDiscards: The number of frames discarded by this port
due to excessive transmit delay through the bridge. Returns 0.
Access: read-only
oid = “1.3.6.1.2.1.17.1.4.1.5.port”
dot1dBasePortMtuExceededDiscards: The number of frames discarded by this port
due to an excessive size
Access: read-only