ENTERASYS-VIRTUAL-SWITCH-BONDING-MIB

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Organization: Enterasys Networks, Inc

Last Updated: 2012-03-13

Category: Technology: Bridging, Technology: High Availability, Technology: Stacking, Vendor: Enterasys/Cabletron

Description: Enterasys Networks Virtual Switch Bonding (VSB) MIB for aggregating multiple chassis into a single logical switch fabric.

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What Is ENTERASYS-VIRTUAL-SWITCH-BONDING-MIB?

ENTERASYS-VIRTUAL-SWITCH-BONDING-MIB is an Enterasys Networks proprietary MIB for configuring and monitoring Virtual Switch Bonding (VSB), a feature that aggregates two or more physical chassis into a single logical switch for Layer 2 physical redundancy. It exposes system-wide VSB settings (enable state, max chassis/slots, administrative and operational MAC addresses, link-failure response behavior) and a per-chassis table with serial numbers, system IDs, and starting slot numbers. Its monitoring value spans both hardware and software status: confirming each member chassis is present and correctly identified (serial number, system ID) and that the bonded system's operational MAC address matches the administrative setting, which is critical after a chassis failover or link-failure event. There is no explicit dependency on another standard MIB, as VSB is a vendor-specific stacking/clustering technology. It is deployed in Enterasys/Extreme data-center or core-switch environments requiring chassis-level redundancy without relying on external Layer 2 protocols. Network engineers evaluating or troubleshooting this functionality can download the ENTERASYS-VIRTUAL-SWITCH-BONDING-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ENTERASYS-VIRTUAL-SWITCH-BONDING-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/Extreme Networks stackable/chassis switches

Monitoring Examples

An admin would walk etsysVsbChassisTable/etsysVsbChassisEntry to confirm every expected chassis appears with its correct etsysVsbChassisSerialNum and etsysVsbChassisSystemId, catching a missing or misidentified member after a stack reconfiguration. Comparing etsysVsbOperationalMacAddress to etsysVsbAdministrativeMacAddress reveals whether the bonded system is using its configured MAC or has fallen back to another chassis' MAC after a failover. etsysVsbSystemLinkFailureResponse indicates the configured behavior (e.g., split-brain protection) that would trigger if the inter-chassis link were lost.

What Can Be Monitored

VSB enable state
member chassis presence and serial number
operational vs. administrative MAC address
link-failure response configuration
max chassis/slot capacity

Imported Objects

From ENTERASYS-MIB-NAMES

etsysModules

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

MacAddress
TEXTUAL-CONVENTION
TimeStamp
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
etsysVirtualSwitchBondingMIB	1.3.6.1.4.1.5624.1.2.83			This MIB module defines a portion of the SNMP MIB under Enterasys Networks' enterprise OID pertaining to Virtual Switch Bonding (VSB). VSB is meant to accomplish two similar goals: to allow the aggregation of two or more chassis-type products into a single, virtual network device; and similarly to support building a stack of two or more stand-alone-type products. The key operational benefit behind this (and similar) technologies is the ability to provide transparent Layer 2 physical redundancy (redundancy of both links and network devices) all the way to the edge of the network.
etsysVsbObjects	1.3.6.1.4.1.5624.1.2.83.1
etsysVsbSystem	1.3.6.1.4.1.5624.1.2.83.1.1
INT etsysVsbSystemEnable	1.3.6.1.4.1.5624.1.2.83.1.1.1	INTEGER	read-write	The administrative enable/disable state for VSB. Enabling this object turns on VSB in a system.
U32 etsysVsbSystemMaxChassis	1.3.6.1.4.1.5624.1.2.83.1.1.2	Unsigned32	read-only	The maximum number of physical chassis supported in the virtual switch.
U32 etsysVsbSystemMaxSlotNumber	1.3.6.1.4.1.5624.1.2.83.1.1.3	Unsigned32	read-only	The maximum slot number supported in the virtual switch.
MAC etsysVsbAdministrativeMacAddress	1.3.6.1.4.1.5624.1.2.83.1.1.4	MacAddress	read-write	The administratively configured mac address of the virtual switch.
MAC etsysVsbOperationalMacAddress	1.3.6.1.4.1.5624.1.2.83.1.1.5	MacAddress	read-only	The operationally assigned mac address of the virtual switch. If no mac address is administratively configured, the VSB system will be responsible for selecting and assigning the virtual switch mac address.
INT etsysVsbSystemLinkFailureResponse	1.3.6.1.4.1.5624.1.2.83.1.1.6	INTEGER	read-write	The administrative state of the Link Failure Response for the VSB. Enabling this object turns on the default Link Failure Response algorithms.
etsysVsbChassis	1.3.6.1.4.1.5624.1.2.83.1.2
etsysVsbChassisTable	1.3.6.1.4.1.5624.1.2.83.1.2.1		not-accessible	This table contains the configuration information for the physical chassis of a virtual switch. Adding a chassis to a virtual switch is initiated by assigning a virtual switch system ID to an entry. The entry index is also the chassis ID in the virtual switch. A virtual switch ID can only be administratively assigned to one entry in the table because a chassis cannot simultaneously be a member of multiple virtual switches, or have multiple chassis IDs in the same virtual switch. A value of 'inconsistentValue' will be returned if attempts are made to assign the same virtual switch ID to more than one entry. Chassis ID is also used to indicate relative position in the virtual switch, where chassis 1 is assigned slot 1 through n, chassis 2 is assigned slots n+1 through n+m, where n and m are the max number of slots for chassis 1 and 2 respectively.
etsysVsbChassisEntry	1.3.6.1.4.1.5624.1.2.83.1.2.1.1		not-accessible	The configuration for a physical chassis in the virtual switch.
U32 etsysVsbChassisIndex	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.1	Unsigned32	not-accessible	The identifier of this chassis in the virtual switch. This value is in the range between 1..etsysVsbSystemMaxChassis.
VSB etsysVsbChassisSystemId	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.2	VsbId	read-write	The virtual switch ID for this switch.
STR etsysVsbChassisSerialNum	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.3	SnmpAdminString	read-only	The serial number string for the physical chassis or standalone device in a bonded setup.
U32 etsysVsbChassisFirstSlotNumber	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.4	Unsigned32	read-write	The administratively assigned first slot position in the virtual switch. Manually initializing chassis position will override automatic positioning by the VSB system. In the event another chassis already occupies the position, this chassis will not be added to the bond. This value is in the range of 0\|1..etsysVsbSystemMaxSlotNumber.
VSB etsysVsbChassisLocalSlotList	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.5	VsbSlotList	read-only	The set of slots local to this chassis that are present.
VSB etsysVsbChassisSystemSlotList	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.6	VsbSlotList	read-only	The set of local and bonded slots that are present.
VSB etsysVsbChassisStatus	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.7	VsbChassisStatus	read-only	The bonding status of this chassis.
TIM etsysVsbChassisLastBondTime	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.8	TimeStamp	read-only	Last sysUpTime at which this chassis was connected to all other members of the virtual switch.
STR etsysVsbChassisSharedSecret	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.9	SnmpAdminString	read-write	The secret shared between the chassis in a virtual switch used to authenticate the bonding protocol data being transmitted between chassis. On a read operation this object MUST return a zero length string. Writing this object with a zero length string clears the secret.
T/F etsysVsbChassisSecretEntered	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.10	TruthValue	read-only	true(1) - Indicates that etsysVsbChassisSharedSecret was last set with some value other than the empty string. false(2) - Indicates that etsysVsbChassisSharedSecret has never been set, or was last set to the empty string.
U32 etsysVsbChassisLfrOperPriority	1.3.6.1.4.1.5624.1.2.83.1.2.1.1.11	Unsigned32	read-write	Operational priority assigned to the associated chassis identifier. When responding to a VSB link failure, the currently operational chassis with the highest priority is allowed to remain operational. This value is in the range between 1..255.
etsysVsbPort	1.3.6.1.4.1.5624.1.2.83.1.3
etsysVsbPortTable	1.3.6.1.4.1.5624.1.2.83.1.3.1		not-accessible	A table of configuration and status objects for each port that supports Bonding Port mode.
etsysVsbPortEntry	1.3.6.1.4.1.5624.1.2.83.1.3.1.1		not-accessible	An entry containing per port bonding properties.
INT etsysVsbPortAdminStatus	1.3.6.1.4.1.5624.1.2.83.1.3.1.1.1	INTEGER	read-write	The desired state of the bonding port for this ifIndex.
INT etsysVsbPortOperStatus	1.3.6.1.4.1.5624.1.2.83.1.3.1.1.2	INTEGER	read-only	The operational status of the bonding port for this ifIndex. If the state is NOT up, then it is down for the stated reason, if known. If etsysVsbPortAdminStatus is down(2), then etsysVsbPortOperStatus should be down(2). If etsysVsbPortAdminStatus is changed to up(1) the etsysVsbPortOperStatus should change to up(1) if the interface is ready to transmit and receive bonding traffic. It should remain in the down(2) state if and only if there is a fault that prevents it from going to the up(1) state.
etsysVsbConformance	1.3.6.1.4.1.5624.1.2.83.2
etsysVsbGroups	1.3.6.1.4.1.5624.1.2.83.2.1
etsysVsbSystemGroup	1.3.6.1.4.1.5624.1.2.83.2.1.1			This section is for system configuration of the VSB system.
etsysVsbChassisGroup	1.3.6.1.4.1.5624.1.2.83.2.1.2			This section is for chassis based configuration of the VSB system.
etsysVsbPortGroup	1.3.6.1.4.1.5624.1.2.83.2.1.3			This section is for port configuration of the VSB system.
etsysVsbSystemGroup2	1.3.6.1.4.1.5624.1.2.83.2.1.4			This section is for system configuration of the VSB system.
etsysVsbChassisGroup2	1.3.6.1.4.1.5624.1.2.83.2.1.5			This section is for chassis based configuration of the VSB system.
etsysVsbCompliances	1.3.6.1.4.1.5624.1.2.83.2.2
etsysVsbCompliance	1.3.6.1.4.1.5624.1.2.83.2.2.1			The compliance statement for devices that support VSB.
etsysVsbCompliance2	1.3.6.1.4.1.5624.1.2.83.2.2.2			The compliance statement for devices that support VSB.

RFC description

Enterasys vendor-private MIB for configuring and monitoring virtual switch link bonding and aggregation.

Start monitoring Enterasys/Extreme Networks stackable/chassis switch (Virtual Switch Bonding) 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-VIRTUAL-SWITCH-BONDING-MIB

What Is ENTERASYS-VIRTUAL-SWITCH-BONDING-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description