ELTEX-MES-BRIDGE-EXT-MIB

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Category: Technology: Bridging, Vendor: Eltex

Description: Eltex MES bridge extension MIB providing additional bridging management objects for MES platform beyond IEEE standards.

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What Is ELTEX-MES-BRIDGE-EXT-MIB?

ELTEX-MES-BRIDGE-EXT-MIB is an Eltex Enterprise proprietary MIB extending standard bridging on the MES switch line, adding per-VLAN MAC-learning control and MSTP (Multiple Spanning Tree Protocol) pending-region-configuration objects. Its objects cover a per-VLAN MAC-learning enable table and MSTP pending-group VLAN-to-instance mapping tables spanning the full 4096-VLAN range in 1024-VLAN chunks. As a configuration MIB it lets an administrator confirm which VLANs have MAC learning disabled (a common security/loop-prevention technique) and audit pending MSTP region changes before they're committed. It is deployed on Eltex MES switches. Engineers can download the ELTEX-MES-BRIDGE-EXT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ELTEX-MES-BRIDGE-EXT-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

Eltex MES switches

Monitoring Examples

An administrator checks eltBridgeExtMacLearningVlanEnabled for a specific VLAN to confirm MAC learning is intentionally disabled there as part of a Layer 2 security hardening measure.

What Can Be Monitored

per-VLAN MAC-learning enable state
pending MSTP region configuration

Imported Objects

From BRIDGE-MIB

dot1dBasePort

OBJECT-TYPE

From ELTEX-MES-MNG-MIB

eltMesBridgeExtMIB

OBJECT-IDENTITY

From Q-BRIDGE-MIB

VlanIndex

From RADLAN-BRIDGEMIBOBJECTS-MIB

rldot1sMstpInstanceEntry

OBJECT-TYPE

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
eltMesBridgeExtMIBObjects	1.3.6.1.4.1.35265.1.23.1.401.0
eltMesBridgeExtMacLearning	1.3.6.1.4.1.35265.1.23.1.401.0.0
eltBridgeExtMacLearningVlanTable	1.3.6.1.4.1.35265.1.23.1.401.0.0.1		not-accessible	Per VLAN MAC learning table.
eltBridgeExtMacLearningVlanEntry	1.3.6.1.4.1.35265.1.23.1.401.0.0.1.1		not-accessible	VLAN MAC learning entry.
VLA eltBridgeExtMacLearningVlanIndex	1.3.6.1.4.1.35265.1.23.1.401.0.0.1.1.1	VlanIndex	not-accessible	Indicates the VLAN number.
T/F eltBridgeExtMacLearningVlanEnabled	1.3.6.1.4.1.35265.1.23.1.401.0.0.1.1.2	TruthValue	read-create	Indicates whether the MAC addresses learning is enabled in this VLAN or not.
eltMesBridgeMstp	1.3.6.1.4.1.35265.1.23.1.401.0.3
eltdot1sMstpPendingGroupTable	1.3.6.1.4.1.35265.1.23.1.401.0.3.3		not-accessible	A table that contains information about the alocation of vlans to groups.
eltdot1sMstpPendingGroupEntry	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1		not-accessible	Entry of eltdot1sMstpPendingGroupTable
INT eltdot1sMstpPendingGroup	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1.1	INTEGER	read-only	The pending group number.
OCT eltdot1sMstpVlanId1To1024	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1.2	OCTET STRING	read-write	first VlanId List of specific group number.
OCT eltdot1sMstpVlanId1025To2048	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1.3	OCTET STRING	read-write	second VlanId List of specific group number.
OCT eltdot1sMstpVlanId2049To3072	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1.4	OCTET STRING	read-write	third VlanId List of specific group number.
OCT eltdot1sMstpVlanId3073To4094	1.3.6.1.4.1.35265.1.23.1.401.0.3.3.1.5	OCTET STRING	read-write	fourth VlanId List of specific group number.
eltdot1sMstpInstanceTable	1.3.6.1.4.1.35265.1.23.1.401.0.3.4		not-accessible	A table that contains Mstp instance specific information for the Multiple Spanning Tree Protocol.
eltdot1sMstpInstanceEntry	1.3.6.1.4.1.35265.1.23.1.401.0.3.4.1		not-accessible	A list of information maintained by every instance about the multiple Spanning Tree Protocol state for that instance.
INT eltdot1sMstpInstanceLastTopologyChangePort	1.3.6.1.4.1.35265.1.23.1.401.0.3.4.1.1	INTEGER	read-only	This value contain port ifIndex from which the request about the last change of topology came. If value is 0 - topology wasn't changed yet.
eltMesdot1dTp	1.3.6.1.4.1.35265.1.23.1.401.0.4
eltdot1dTpVlanTable	1.3.6.1.4.1.35265.1.23.1.401.0.4.1		not-accessible	Table that contains configuration of mac aging time for each VLAN.
eltdot1dTpVlanEntry	1.3.6.1.4.1.35265.1.23.1.401.0.4.1.1		not-accessible	Each entry contains the aging out configuration and the configuration source of the aging out value applied for each VLAN.
VLA eltdot1dTpVlanIndex	1.3.6.1.4.1.35265.1.23.1.401.0.4.1.1.1	VlanIndex	not-accessible	VLAN number.
INT eltdot1dTpVlanAgingTime	1.3.6.1.4.1.35265.1.23.1.401.0.4.1.1.2	INTEGER	read-write	The timeout period in seconds for aging out dynamically learned mac address at this VLAN.
T/F eltdot1dTpVlanAgingFromGlobal	1.3.6.1.4.1.35265.1.23.1.401.0.4.1.1.3	TruthValue	read-write	Indicates whether the aging time applied at this VLAN is from dot1dTpAgingTime object or not.
eltMesBridgeStp	1.3.6.1.4.1.35265.1.23.1.401.0.5
eltBridgeStpConfigPortTable	1.3.6.1.4.1.35265.1.23.1.401.0.5.1		not-accessible	Port configuration table for Spanning Tree Protocol.
eltBridgeStpConfigPortEntry	1.3.6.1.4.1.35265.1.23.1.401.0.5.1.1		not-accessible	Port configuration entry for Spanning Tree Protocol.
ADR eltBridgeStpConfigPortGroupMacAddress	1.3.6.1.4.1.35265.1.23.1.401.0.5.1.1.1	EltBridgeStpGroupMacAddressType	read-write	Sets destination MAC address for Bridge PDUs. A port sends and receives BPDUs only with specified group MAC address.
T/F eltBridgeStpConfigPortRestrictedTcn	1.3.6.1.4.1.35265.1.23.1.401.0.5.1.1.2	TruthValue	read-write	Configure filtering of Spanning Tree BPDUs with TC flag set.
INT eltdot1dStpLastTopologyChangePort	1.3.6.1.4.1.35265.1.23.1.401.0.5.2	INTEGER	read-only	This value contain port ifIndex from which the request about the last change of topology came. If value is 0 - topology wasn't changed yet.

RFC description

Eltex MES bridge extension for MAC learning and spanning tree; manages per-VLAN MAC learning and MSTP configurations.

Start monitoring Eltex MES-series Ethernet switch (per-VLAN MAC learning/MSTP pending-region config) 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 ELTEX-MES-BRIDGE-EXT-MIB

What Is ELTEX-MES-BRIDGE-EXT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description