ADTRAN-AOS-VRRP-MIB

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Organization: ADTRAN, Inc.

Last Updated: 2014-04-17

Category: Vendor: ADTRAN

Description: Manages Virtual Router Redundancy Protocol (VRRP) configuration and state on ADTRAN AOS devices for gateway failover.

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What Is ADTRAN-AOS-VRRP-MIB?

This MIB module is part of ADTRAN's AOS platform and manages Virtual Router Redundancy Protocol (VRRP v2/v3) configuration and operational state on AOS devices used for gateway failover. It exposes the configured virtual router instances, their IP addresses, priority, and current operational status (master/backup), along with traps for VRRP state transitions. This MIB centers on software/protocol health monitoring: administrators use it to confirm which router is acting as VRRP master, and to detect unexpected master/backup transitions or a router losing its virtual IP, which could indicate a gateway or link failure. It is part of ADTRAN's AOS enterprise MIB tree and closely parallels the standard IETF VRRP-MIB, following similar table and notification conventions. It is typically deployed in pairs or groups of ADTRAN routers providing redundant default-gateway service at a customer site or branch office. Engineers can download the ADTRAN-AOS-VRRP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ADTRAN-AOS-VRRP-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

ADTRAN AOS router pair providing VRRP gateway redundancy

Monitoring Examples

Polling adGenAOSVrrpTable's adGenAOSVrrpOperStatus and adGenAOSVrrpPriority for a given adGenAOSVrrpId and adGenAOSVrrpInetAddr reveals whether this router currently holds the master role for a virtual IP and at what priority. A trap from adGenAOSVrrpTrap combined with adGenAOSVrrpMasterTrapCntl settings would alert an admin that a backup router just became master, indicating the previous master router failed or lost connectivity.

What Can Be Monitored

VRRP instance operational status (master/backup)
VRRP virtual IP address
VRRP priority
VRRP version
VRRP master transition traps

Imported Objects

From ADTRAN-AOS

adGenAOSConformance	OBJECT-IDENTITY
adGenAOSRouter	OBJECT-IDENTITY

From ADTRAN-MIB

adIdentity

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
adGenAOSVrrp	1.3.6.1.4.1.664.5.53.2.3
adGenAOSVrrpTrap	1.3.6.1.4.1.664.5.53.2.3.0
NTF adGenAOSVrrpMasterTrap	1.3.6.1.4.1.664.5.53.2.3.0.1			A Master Trap signifies that one of the virtual routers has changed its state. Either from Master to Backup or Backup to Master
adGenAOSVrrpTrapCntl	1.3.6.1.4.1.664.5.53.2.3.1
INT adGenAOSVrrpMasterTrapCntl	1.3.6.1.4.1.664.5.53.2.3.1.1	INTEGER	read-write	This variable indicates whether the system produces the adGenAOSVrrpMaster trap.
adGenAOSVrrpTable	1.3.6.1.4.1.664.5.53.2.3.2		not-accessible	Vrrp Router instances.
adGenAOSVrrpEntry	1.3.6.1.4.1.664.5.53.2.3.2.1		not-accessible	The parameters of a particular VRRP Instance.
INT adGenAOSVrrpVersion	1.3.6.1.4.1.664.5.53.2.3.2.1.1	INTEGER	not-accessible	Specifies the version of VRRP used in the current Virtual Router instance.
I32 adGenAOSVrrpId	1.3.6.1.4.1.664.5.53.2.3.2.1.2	Integer32	not-accessible	Identifies a row in the AdGenAOSVrrpTable. The ID is unique to the VRRP instance of VRRP Type (v2 and v3).
IPt adGenAOSVrrpInetAddrType	1.3.6.1.4.1.664.5.53.2.3.2.1.3	InetAddressType	not-accessible	Identifies the primary IP address type.
IP adGenAOSVrrpInetAddr	1.3.6.1.4.1.664.5.53.2.3.2.1.4	InetAddress	read-only	Identifies the primary IP address.
INT adGenAOSVrrpOperStatus	1.3.6.1.4.1.664.5.53.2.3.2.1.5	INTEGER	read-only	Identifies if the router is the master or backup.
I32 adGenAOSVrrpPriority	1.3.6.1.4.1.664.5.53.2.3.2.1.6	Integer32	read-only	Displays the priority of the virtual router instance.
adGenAOSVrrpConformance	1.3.6.1.4.1.664.5.53.99.20
adGenAOSVrrpGroups	1.3.6.1.4.1.664.5.53.99.20.1
adGenAOSVrrpObjectGroup	1.3.6.1.4.1.664.5.53.99.20.1.1			The objects that define VRRP table.
adGenAOSVrrpTrapCfgGroup	1.3.6.1.4.1.664.5.53.99.20.1.2			This group contains the objects necessary to enable/disable VRRP traps.
adGenAOSVrrpTrapGroup	1.3.6.1.4.1.664.5.53.99.20.1.3			The objects necessary to control VRRP state notification messages.
adGenAOSVrrpNotificationGroup	1.3.6.1.4.1.664.5.53.99.20.1.4			Traps which may be used to detect the change of state in any of the virtual router instances.
adGenAOSVrrpCompliances	1.3.6.1.4.1.664.5.53.99.20.2
adGenAOSVrrpFullCompliance	1.3.6.1.4.1.664.5.53.99.20.2.1			The compliance statement for SNMP entities which implement VRRP V2 and V3 in adGenAosVrrp MIB. When this MIB is implemented with support for read-write, then such an implementation can claim full compliance.
adGenAOSVrrpReadOnlyCompliance	1.3.6.1.4.1.664.5.53.99.20.2.2			The compliance statement for SNMP entities which implement VRRP V2 and V3 in adGenAOSVrrp MIB. When this MIB is implemented without support for read-create (i.e. in read-only mode), then such an implementation can claim read-only compliance. A virtual router can be defined but cannot be modified using this MIB.
adGenAOSVrrpMib	1.3.6.1.4.1.664.6.10000.53.2.3			The MIB module defines VRRP V2 and V3 notifications for AdtranOS products and provides information about the virtual router instance.

RFC description

Virtual Router Redundancy Protocol (VRRP) v2 and v3 instance notifications and status for ADTRAN AOS products.

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Download ADTRAN-AOS-VRRP-MIB

What Is ADTRAN-AOS-VRRP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description