BRS-MIB

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Category: Routing Protocols, VLAN and Bridging

Description: Configures bridge routing and maintains forwarding table entries for LAN switching devices.

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What Is BRS-MIB?

BRS-MIB is a legacy Proteon ("pro"-prefixed enterprise OID tree) MIB managing bridge routing service configuration on LAN switching devices, specifically per-port and per-class traffic forwarding settings. It exposes a port table with default class/priority assignment and a class table defining forwarding classes with allocation and byte-count objects. It is used for software-level traffic classification and accounting monitoring rather than physical hardware sensors -- proBrsClassBytes gives per-class traffic volume, letting an admin spot a misclassified or idle traffic path, while the port table confirms which fallback class and priority apply per port. It relies on Proteon's private enterprise OID structure (proteon, proAdmin, proFeature) and would typically be used alongside standard bridge/interface MIBs for port identity. It was deployed on legacy Proteon LAN bridge/router equipment supporting class-based traffic prioritization. Engineers can download the BRS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in BRS-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Proteon LAN bridge/router

Monitoring Examples

An admin polls proBrsClassTable (proBrsClassId, proBrsClassName, proBrsClassAlloc) to review how forwarding classes are defined, and proBrsClassBytes to track per-class traffic volume -- a class with unexpectedly high or zero byte counts suggests misclassification or a broken traffic path. proBrsPortTable (proBrsDefaultClassName, proBrsDefaultPriority) is checked to confirm the fallback class and priority assigned to each bridge port.

What Can Be Monitored

per-class byte counters
class allocation settings
port default class and priority
number of defined bridge classes

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter
IpAddress
enterprises

From RFC1213-MIB

DisplayString
ifIndex

OIDs

OID symbolic	OID numeric	Type	Access	Description
proteon	1.3.6.1.4.1.1
proAdmin	1.3.6.1.4.1.1.1
proFeature	1.3.6.1.4.1.1.1.7
proFeatureBrs	1.3.6.1.4.1.1.1.7.1
proBrsMib	1.3.6.1.4.1.1.1.7.1.1
INT proBrsNumber	1.3.6.1.4.1.1.1.7.1.1.1	INTEGER	read-only	The number of interfaces enabled for BRS.
proBrsPortTable	1.3.6.1.4.1.1.1.7.1.1.2		not-accessible	A list of BRS ports/interfaces. The number of entries is given by the value of proBrsNumber. Only ports/interfaces that have BRS enabled will appear in this table.
proBrsPortEntry	1.3.6.1.4.1.1.1.7.1.1.2.1		not-accessible	Status and parameter values for an interface.
INT proBrsClassNumber	1.3.6.1.4.1.1.1.7.1.1.2.1.1	INTEGER	read-only	The number of classes on this interface.
STR proBrsDefaultClassName	1.3.6.1.4.1.1.1.7.1.1.2.1.2	DisplayString	read-only	The name of the default class.
BRS proBrsDefaultPriority	1.3.6.1.4.1.1.1.7.1.1.2.1.3	BRSPriority	read-only	The default priority for the default class.
proBrsClassTable	1.3.6.1.4.1.1.1.7.1.1.3		not-accessible	A list of BRS Classes per interface. The number of entries is given by the value of proBrsClassNumber in the previous proBrsPortTable group.
proBrsClassEntry	1.3.6.1.4.1.1.1.7.1.1.3.1		not-accessible	Status and parameter values for a class.
INT proBrsClassId	1.3.6.1.4.1.1.1.7.1.1.3.1.1	INTEGER	read-only	A unique ID for each class. Its value ranges between 1 and the value of proBrsClassNumber in the proBrsPortTable.
STR proBrsClassName	1.3.6.1.4.1.1.1.7.1.1.3.1.2	DisplayString	read-only	The class name.
INT proBrsClassAlloc	1.3.6.1.4.1.1.1.7.1.1.3.1.3	INTEGER	read-write	Bandwidth Allocation percentage.
INT proBrsClassBytes	1.3.6.1.4.1.1.1.7.1.1.3.1.4	INTEGER	read-only	The number of bytes transmitted in this class.
INT proBrsClassPkts	1.3.6.1.4.1.1.1.7.1.1.3.1.5	INTEGER	read-only	The number of packets transmitted in this class.
INT proBrsClassDiscs	1.3.6.1.4.1.1.1.7.1.1.3.1.6	INTEGER	read-only	The number of bytes discarded in this class.
proBrsFilterTable	1.3.6.1.4.1.1.1.7.1.1.4		not-accessible	A list of BRS Protocols/Filters.
proBrsFilterEntry	1.3.6.1.4.1.1.1.7.1.1.4.1		not-accessible	Status and parameter values for a filter.
INT proBrsFilterId	1.3.6.1.4.1.1.1.7.1.1.4.1.1	INTEGER	read-only	A unique value for each filter. Its value is the protocol number or a filter number + the maximum protocol number.
STR proBrsFilterName	1.3.6.1.4.1.1.1.7.1.1.4.1.2	DisplayString	read-only	The filter name.
INT proBrsFilterPriority	1.3.6.1.4.1.1.1.7.1.1.4.1.3	INTEGER	read-only	The priority of the filter.
INT proBrsFilterPortType	1.3.6.1.4.1.1.1.7.1.1.4.1.4	INTEGER	read-only	This field is relevent to the UDP_TCP port filters only (where proBRSFilterId is UDP_TCP1, UDP_TCP2, UDP_TCP3, UDP_TCP4 or UDP_TCP5). It signifies whether UDP/IP or TCP/IP traffic should be filtered. Valid values are tcp(1), udp(2) or other(3), which is specified for other protocol/filter types.
INT proBrsFilterLowPortNum	1.3.6.1.4.1.1.1.7.1.1.4.1.5	INTEGER	read-only	This field is relevent to the UDP_TCP port filters only (where proBRSFilterId is UDP_TCP1, UDP_TCP2, UDP_TCP3, UDP_TCP4 or UDP_TCP5). It signifies the low end of a range of port numbers on which a UDP_TCP filter is based. Valid values for UDP_TCP filters are from 1 to 65535. This field will be zero for other protocol/filter types.
INT proBrsFilterHighPortNum	1.3.6.1.4.1.1.1.7.1.1.4.1.6	INTEGER	read-only	This is field relevent to the UDP_TCP port filters only (where proBRSFilterId is UDP_TCP1, UDP_TCP2, UDP_TCP3, UDP_TCP4 or UDP_TCP5). It signifies the high end of a range of port numbers. It can range from 1 to 65535 and is equal to or greater than the low port range. This field will be 0 for other protocol/filter types.
IP proBrsFilterIpAddr	1.3.6.1.4.1.1.1.7.1.1.4.1.7	IpAddress	read-only	This field is relevent to the UDP_TCP port filters only. If the IP address is non zero, the IP address and the port number range (defined by the Low Port and High Port) are used together to define a socket in the filtering criteria for the UDP_TCP filter. If the IP address is zero, only the port range criteria criteria is used for the UDP_TCP filter. This field will be zero for other protocol/filter types.
INT proBrsFilterTag	1.3.6.1.4.1.1.1.7.1.1.4.1.8	INTEGER	read-only	This field is relevent only for BRS tags (where proBRSFilterId is TAG1, TAG2, TAG3, TAG4 or TAG5). The Tag Value identifies a set of filter items associated with a specific tag value via MAC Filtering configuration. The association of a Tag Value with one of the 5 BRS tags allows the set of filtered items to be assigned to a class and priority configured for the BRS tag. Valid values are 1 to 64. This field will be 0 for other protocol/filter types.

RFC description

Manages bridge routing configuration and forwarding table entries for LAN switching devices.

Start monitoring Proteon LAN bridge/router (legacy) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download BRS-MIB

What Is BRS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description