WIRELESS-INNOVATIONS-PRODUCTS-MIB :: changedIPAddressEvent

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › WIRELESS-INNOVATIONS-PRODUCTS-MIB › changedIPAddressEvent

changedIPAddressEvent

Module: WIRELESS-INNOVATIONS-PRODUCTS-MIB

OID (symbolic): WIRELESS-INNOVATIONS-PRODUCTS-MIB::changedIPAddressEvent

OID (numeric): 1.3.6.1.4.1.331.1.2.1.1.3.4

Node type: NOTIFICATION-TYPE

Description: Used to notify a new agent IP address to the manager determined by the value of alarmRecipient resp. connVpnManagerVirtualIP. This is NOT used if the agent is connected 'On Demand' to a circuit switched network. As the standard SNMP notification is 'fire and forget' and may get lost during distribution, this notification has to be send periodically with a suitable period (see also latest revision of specification Q0359R0 OAM Communication). Possible scenarios for sending this notification: LAN: IP address was changed during runtime by administrator or DHCP. CSAO: Initial connection to the network or reconnection after unexpected disconnect. PSAO: Initial connection to the packet data network access server or reconnection after unexpected disconnect. PSOD: Connection to the packet data network access server was invoked by an incoming SMS. In this case connAttachPSODrequesterSMS is set to the SMS sender number, in all other scenarios connAttachPSODrequesterSMS is set to an empty string.

Note! This notification MUST NOT be sent: - if the IP address change was explicitely invoked by the manager with a SET on connAgentIPAddressLAN or connManOrigAgentIPAddressCS. - if the agent is connected 'On Demand' to a packet switched network and the connection to the network is initiated by the agent itself in order to send out any other notification (entConfigChange, alarmTrap, heartbeatEvent, changedParameterEvent, ...). - if the agent is connected 'On Demand' to a circuit switched network.

V1.3.0.0 extensions: - connAgntOrigIfNetworkType identifies the network type for that the new IP address is valid. For backward compatibility the manager has to use PS if this object is not provided with the notification. - connVpnEnabled identifies whether VPN is enabled or not. For backward compatibility the manager has to use false if this object is not provided with the notification. - connVpnAgentIPIsVirtual identifies whether the reported IP address is a virtual VPN address or not. For backward compatibility the manager has to use false if this object is not provided with the notification. If VPN is enabled, additionally the virtual agent VPN IP address has to be reported as soon as the VPN tunnel is established. In that case the manager has to wait for the virtual VPN IP address before starting communication.

V1.5.0.0 extension: - connAgentUID2. Enables the manager to detect system replacement at agent side (connAgentUID changed while connAgentUID2 keeps equal or vice versa). Added also to this notification because it may be fired before agentUpAndRunningEvent (see description alarmTrapCounter). For backward compatibility the manager has to use an empty string if this object is not provided with the notification.

Examples

Send this trap to an SNMP manager — replace <manager> with the IP or hostname of your monitoring server (SNMPv2c):

snmptrap -v2c -c public <manager> '' WIRELESS-INNOVATIONS-PRODUCTS-MIB::changedIPAddressEvent
snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.331.1.2.1.1.3.4

Listen for incoming traps on the manager host (-f keeps it in the foreground, -Lo prints to stdout — useful for testing):

snmptrapd -f -Lo -c /dev/null authCommunity log public

Example snmptrapd log entry:

zoo11-linux.zoo [UDP: [192.168.30.111]:51575->[192.168.30.10]:162]:
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (475773815) 55 days, 1:35:38.15
  SNMPv2-MIB::snmpTrapOID.0 = OID: WIRELESS-INNOVATIONS-PRODUCTS-MIB::changedIPAddressEvent

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OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.331andrewANDREW-MIB
1.3.6.1.4.1.331.1andrewProductsANDREW-MIB
1.3.6.1.4.1.331.1.2wirelessInnovationsANDREW-MIB
Numeric OIDNameModule
1.3.6.1.4.1.331.1.2.1wirelessInnovationsProductsWIRELESS-INNOVATIONS-PRODUCTS-MIB
1.3.6.1.4.1.331.1.2.1.1commonDeviceObjectsWIRELESS-INNOVATIONS-PRODUCTS-MIB
1.3.6.1.4.1.331.1.2.1.1.3commonDeviceNotificationWIRELESS-INNOVATIONS-PRODUCTS-MIB
1.3.6.1.4.1.331.1.2.1.1.3.4changedIPAddressEventWIRELESS-INNOVATIONS-PRODUCTS-MIB