All MIBs › AC-SYSTEM-MIB › acSysIdFirstSerialNumber
acSysIdFirstSerialNumber
Module: AC-SYSTEM-MIB
OID (symbolic): AC-SYSTEM-MIB::acSysIdFirstSerialNumber
OID (numeric): 1.3.6.1.4.1.5003.9.10.10.2.3.4
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: The device's first serial number. When the device is part of a dual module board this is the first module's serial number. When the device is the first module in a dual module or the device is not in a dual module board, the values for asSysIdSerialNumber and acSysIdFirstSerialNumber are the same. AC INI-Param: N/A
What is acSysIdFirstSerialNumber?
AC-SYSTEM-MIB::acSysIdFirstSerialNumber records the serial number of the primary module in a dual-module pair (unsigned 32-bit integer). You check this when managing redundant or paired boards to ensure failover devices are correctly paired and to track which module is primary. For example, if acSysIdSerialNumber is 12345678 (secondary) but acSysIdFirstSerialNumber is 12345677 (primary), you know they form a matched pair.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5003.9.10.10.2.3.4 snmpwalk -v2c -c public <target> AC-SYSTEM-MIB::acSysIdFirstSerialNumber
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5003.9.10.10.2.3.4.1 snmpget -v2c -c public <target> AC-SYSTEM-MIB::acSysIdFirstSerialNumber.1
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.5003 | audioCodes | AC-ATM-MIB |
| 1.3.6.1.4.1.5003.9 | acProducts | AC-ATM-MIB |
| 1.3.6.1.4.1.5003.9.10 | acBoardMibs | AC-ATM-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5003.9.10.10 | acSystem | AC-SYSTEM-MIB |
| 1.3.6.1.4.1.5003.9.10.10.2 | acSystemStatus | AC-SYSTEM-MIB |
| 1.3.6.1.4.1.5003.9.10.10.2.3 | acSysId | AC-SYSTEM-MIB |
| 1.3.6.1.4.1.5003.9.10.10.2.3.4 | acSysIdFirstSerialNumber | AC-SYSTEM-MIB |