CISCO-MAC-NOTIFICATION-MIB :: cmnHistMacChangedMsg

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CISCO-MAC-NOTIFICATION-MIB › cmnHistMacChangedMsg

cmnHistMacChangedMsg

Module: CISCO-MAC-NOTIFICATION-MIB

OID (symbolic): CISCO-MAC-NOTIFICATION-MIB::cmnHistMacChangedMsg

OID (numeric): 1.3.6.1.4.1.9.9.215.1.1.8.1.2

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: This object contains the information of a MAC change notification event. It consists of several tuples packed together in the format of '...'. Each tuple consist of 11 octets in the format of '' where is of size 1 octet and supports the following values 0 - End of MIB object. 1 - MAC learnt. 2 - MAC removed. is VLAN number of the VLAN which the MAC address is belonged to and has size of 2 octet. is the Layer2 Mac Address and has size of 6 octets. is the value of dot1dBasePort for the interface from which the MAC address is learnt and has size of 2 octets.

What is cmnHistMacChangedMsg?

This read-only object contains one or more packed tuples of operation, VLAN, MAC address, and port information describing MAC address changes recorded in the notification history.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.215.1.1.8.1.2
snmpwalk -v2c -c public <target> CISCO-MAC-NOTIFICATION-MIB::cmnHistMacChangedMsg

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.215.1.1.8.1.2.1
snmpget -v2c -c public <target> CISCO-MAC-NOTIFICATION-MIB::cmnHistMacChangedMsg.1

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OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.215ciscoMacNotificationMIBCISCO-MAC-NOTIFICATION-MIB
1.3.6.1.4.1.9.9.215.1ciscoMacNotificationMIBObjectsCISCO-MAC-NOTIFICATION-MIB
1.3.6.1.4.1.9.9.215.1.1cmnGlobalObjectsCISCO-MAC-NOTIFICATION-MIB
1.3.6.1.4.1.9.9.215.1.1.8cmnHistoryTableCISCO-MAC-NOTIFICATION-MIB
1.3.6.1.4.1.9.9.215.1.1.8.1cmnHistoryEntryCISCO-MAC-NOTIFICATION-MIB
1.3.6.1.4.1.9.9.215.1.1.8.1.2cmnHistMacChangedMsgCISCO-MAC-NOTIFICATION-MIB