ENTERASYS-CLASS-OF-SERVICE-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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Organization: Enterasys Networks, Inc.

Last Updated: 2008-02-13

Category: Technology: QoS, Vendor: Enterasys/Cabletron

Description: Enterasys Networks MIB for configuring transmission and reception class-of-service attributes on network edge devices.

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What Is ENTERASYS-CLASS-OF-SERVICE-MIB?

ENTERASYS-CLASS-OF-SERVICE-MIB is a private Enterasys Networks MIB for configuring and monitoring class-of-service (CoS) attributes—transmission and reception priority mappings such as 802.1p and ToS/DSCP handling—on Enterasys edge and access network devices. It exposes a table of per-entry CoS mappings along with capability and enable-state indicators, plus a notification for resets. Its monitoring relevance is chiefly configuration-status oriented: administrators can confirm which CoS policies are active, how many entries are configured versus the device's maximum capacity, and when the CoS subsystem was last changed, which is useful for verifying QoS configuration integrity on the switch. It functions as a standalone private extension without an explicit dependency on other standard MIBs beyond general SNMPv2 conventions. It is deployed on Enterasys switches and edge/access products where administrators need to enforce consistent QoS/CoS marking policies across the network. Engineers can download the ENTERASYS-CLASS-OF-SERVICE-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ENTERASYS-CLASS-OF-SERVICE-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

  • Enterasys Networks edge/access switch

Monitoring Examples

An administrator would poll etsysCosNumEntries against etsysCosMaxEntries to confirm the CoS table isn't near its configured capacity, and check etsysCosLastChange to detect recent unauthorized or unexpected CoS policy edits. Within etsysCosTable, indexed by etsysCosIndex, fields like etsysCos8021dPriority and etsysCosTosValue reveal the specific priority-to-ToS mapping configured for each entry, and etsysCosEnableState confirms whether CoS enforcement is currently active on the device, while the etsysCosMasterReset notification would alert an operator if the CoS configuration was reset to defaults.

What Can Be Monitored

  • CoS table entry count vs. maximum capacity
  • 802.1p priority to ToS/DSCP mapping per entry
  • CoS enable state
  • last CoS configuration change time
  • CoS master reset events
Imported Objects

From BRIDGE-MIB

dot1dBasePortOBJECT-TYPE

From ENTERASYS-MIB-NAMES

etsysModulesOBJECT-IDENTITY

From IF-MIB

ifNameOBJECT-TYPE

From P-BRIDGE-MIB

EnabledStatus

From Q-BRIDGE-MIB

PortList

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Gauge32
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TimeStamp
TruthValue
OIDs

RFC description

Manages quality of service and transmission attributes for Enterasys network edge devices.

Start monitoring Enterasys Networks switch (legacy, later Extreme Networks) (CoS/802.1p/DSCP mappings) 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 ENTERASYS-CLASS-OF-SERVICE-MIB