ADN-MIB :: adnChassisStandbyCUBusStatus

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsADN-MIBadnChassisStandbyCUBusStatus

adnChassisStandbyCUBusStatus

Module: ADN-MIB

OID (symbolic): ADN-MIB::adnChassisStandbyCUBusStatus

OID (numeric): 1.3.6.1.4.1.637.3.1.5.15.1.1.12

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: This variable indicates the failures of the busses connected between the chassis and the standby CU ( Control Unit) card. It is a bit map represented as a sum; therefore it can represent multiple failures. The value zero indicates that there is no failure. The bit positions are :

32 : ISL (Internal Serial Link) bus failure detected on the standby CU 64 : IOS (Input Output Service) bus failure detected on the standby CU 128 : IOS (Input Output Service) bus silence detected on the standby CU 256 : ISL (Internal Serial Link) bus state unknown on the standby CU 512 : IOS (Input Output Service) bus state unknown on the standby CU.

What is adnChassisStandbyCUBusStatus?

This OID is a bitmap representing failures on the internal buses (ISL and IOS) that connect the main chassis to a standby Control Unit card. Engineers check this when the standby Control Unit is not responding, as these bus failures would prevent failover if the primary control unit fails. A value of 0 means all buses are healthy; a value of 96 (64+32) means both ISL and IOS bus failures are detected on the standby CU.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.637.3.1.5.15.1.1.12
snmpwalk -v2c -c public <target> ADN-MIB::adnChassisStandbyCUBusStatus

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.637.3.1.5.15.1.1.12.1
snmpget -v2c -c public <target> ADN-MIB::adnChassisStandbyCUBusStatus.1

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OID Breakdown

Upper-level ancestors (6 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
Numeric OIDNameModule
1.3.6.1.4.1.637alcatelADN-MIB
1.3.6.1.4.1.637.3adnADN-MIB
1.3.6.1.4.1.637.3.1adnMIBADN-MIB
1.3.6.1.4.1.637.3.1.5adnProprietaryADN-MIB
1.3.6.1.4.1.637.3.1.5.15adnNodeSupervisionMIBADN-MIB
1.3.6.1.4.1.637.3.1.5.15.1adnChassisTableADN-MIB
1.3.6.1.4.1.637.3.1.5.15.1.1adnChassisEntryADN-MIB
1.3.6.1.4.1.637.3.1.5.15.1.1.12adnChassisStandbyCUBusStatusADN-MIB