A3COM-HUAWEI-IP-ADDRESS-MIB

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Organization: H3C Technologies Co., Ltd.

Last Updated: 2005-11-22

Category: IP and Core Protocols, Vendor: H3C/HH3C

Description: Manages IP address assignments, secondary addresses, and address conflict detection on H3C device interfaces.

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What Is A3COM-HUAWEI-IP-ADDRESS-MIB?

A3COM-HUAWEI-IP-ADDRESS-MIB manages IPv4 address assignment on H3C device interfaces, including secondary addresses, and provides a notification mechanism for detecting IP address conflicts. It exposes objects capturing the interface index, the old and new IP addresses involved in a change or conflict event, and the timestamp of first detection. h3cIpAddrNotify traps let an admin be alerted in near-real time to duplicate-IP-address conditions on the network, a common cause of intermittent connectivity issues, effectively monitoring IP-layer software configuration health rather than physical hardware. Dependency: it extends the standard IP-MIB address-table concept with H3C-specific conflict-notification objects not present in the base standard. Deployment is on any H3C router or switch interface where static or DHCP-assigned IPv4 addresses are used and duplicate-address detection is valuable, such as access-layer switches serving many end-user segments. Engineers can download the A3COM-HUAWEI-IP-ADDRESS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in A3COM-HUAWEI-IP-ADDRESS-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

H3C/3Com routers and switches

Monitoring Examples

An NMS subscribing to h3cIpAddrNotify traps would receive h3cIpAddrNotifyIfIndex, h3cIpAddrOldIpAddress, and h3cIpAddrNewIpAddress whenever an address conflict is detected on an interface, along with h3cIpAddrFirstTrapTime marking when the conflict was first seen. Correlating repeated traps for the same h3cIpAddrNotifyIfIndex would indicate a persistent duplicate-IP misconfiguration on that VLAN/interface rather than a one-off transient conflict.

What Can Be Monitored

IP address conflict notifications
old vs. new IP address on conflict
interface index of conflicting address
first-detected conflict timestamp

Imported Objects

From A3COM-HUAWEI-OID-MIB

h3cCommon

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
TimeTicks

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cIpAddrMIB	1.3.6.1.4.1.43.45.1.10.2.67			The MIB module for managing IPv4 address.
h3cIpAddressObjects	1.3.6.1.4.1.43.45.1.10.2.67.1
h3cIpAddressConfig	1.3.6.1.4.1.43.45.1.10.2.67.1.1
h3cIpAddrSetTable	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1		not-accessible	The table of address information is relevant to this entity's IPv4 addresses for setting. The address information that can be read and set in this table is a subset of the address information that can be read in h3cIpAddrReadTable and ipAddrTable in IP-MIB. This table is used to configure IPv4 addresses of an interface identified by h3cIpAddrSetIfIndex. When users create or delete an entry in this table, the agent also increases or reduces a corresponding entry in the h3cIpAddrReadTable and ipAddrTable in IP-MIB. When an interface which has been assigned IPv6 address is deleted, the agent also deletes the entry corresponding to the interface in this table and h3cIpAddrReadTable. All IPv4 addresses in this table will also show in ipAddrTable in IP-MIB.
h3cIpAddrSetEntry	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1		not-accessible	Define the IPv4 address information.
I32 h3cIpAddrSetIfIndex	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.1	Integer32	not-accessible	The index value which uniquely identifies the interface to which this entry is applicable. The interface identified by a particular value of this index is the same interface as identified by the same value of RFC 1573's ifIndex.
IPt h3cIpAddrSetAddrType	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.2	InetAddressType	not-accessible	The IP address type to which this entry's address information pertains. The value must be ipv4.
IP h3cIpAddrSetAddr	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.3	InetAddress	not-accessible	The IPv4 address to which this entry's address information pertains.
IP h3cIpAddrSetMask	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.4	IpAddress	read-create	The subnet mask associated with the IPv4 address of this entry. The value of the mask is an IPv4 address with all the network bits set to 1 and all the hosts bits set to 0.
INT h3cIpAddrSetSourceType	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.5	INTEGER	read-create	Indicate the type of source of the IPv4 address.
INT h3cIpAddrSetCatalog	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.6	INTEGER	read-create	Indicate the category of the IPv4 address.
ROW h3cIpAddrSetRowStatus	1.3.6.1.4.1.43.45.1.10.2.67.1.1.1.1.7	RowStatus	read-create	This object is used to create a new row or delete an existing row in this table, only support active, createAndGo and destroy.
h3cIpAddrReadTable	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2		not-accessible	The table of address information is relevant to this entity's IP addresses for reading. This is the extension of the ipAddrTable in IP-MIB. All IPv4 addresses in this table will also show in ipAddrTable in IP-MIB.
h3cIpAddrReadEntry	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1		not-accessible	Define the IPv4 address information.
I32 h3cIpAddrReadIfIndex	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.1	Integer32	not-accessible	The index value which uniquely identifies the interface to which this entry is applicable. The interface identified by a particular value of this index is the same interface as identified by the same value of RFC 1573's ifIndex.
IPt h3cIpAddrReadAddrType	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.2	InetAddressType	not-accessible	The IP address type to which this entry's address information pertains. The value must be ipv4.
IP h3cIpAddrReadAddr	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.3	InetAddress	not-accessible	The IPv4 address to which this entry's address information pertains.
IP h3cIpAddrReadMask	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.4	IpAddress	read-only	The subnet mask associated with the IPv4 address of this entry. The value of the mask is an IPv4 address with all the network bits set to 1 and all the hosts bits set to 0.
INT h3cIpAddrReadSourceType	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.5	INTEGER	read-only	Indicate the type of source of the IPv4 address.
INT h3cIpAddrReadCatalog	1.3.6.1.4.1.43.45.1.10.2.67.1.1.2.1.6	INTEGER	read-only	Indicate the category of the IPv4 address.
h3cIpv4AddrTable	1.3.6.1.4.1.43.45.1.10.2.67.1.1.3		not-accessible	This table is used to configure primary IPv4 address of an interface identified by ifIndex.
h3cIpv4AddrEntry	1.3.6.1.4.1.43.45.1.10.2.67.1.1.3.1		not-accessible	Define the IPv4 address information.
IP h3cIpv4AddrAddr	1.3.6.1.4.1.43.45.1.10.2.67.1.1.3.1.1	IpAddress	read-create	The IPv4 address to which this entry's address information pertains.
IP h3cIpv4AddrMask	1.3.6.1.4.1.43.45.1.10.2.67.1.1.3.1.2	IpAddress	read-create	The subnet mask associated with the IPv4 address of this entry. The value of the mask is an IPv4 address with all the network bits set to 1 and all the hosts bits set to 0.
ROW h3cIpv4AddrRowStatus	1.3.6.1.4.1.43.45.1.10.2.67.1.1.3.1.3	RowStatus	read-create	This object is used to create a new row or delete an existing row in this table, only support active, notInService, createAndGo and destroy.
h3cIpAddrNotify	1.3.6.1.4.1.43.45.1.10.2.67.2
h3cIpAddrNotifyScalarObjects	1.3.6.1.4.1.43.45.1.10.2.67.2.1
I32 h3cIpAddrNotifyIfIndex	1.3.6.1.4.1.43.45.1.10.2.67.2.1.1	Integer32	accessible-for-notify	The IP address IfIndex of specified interface on the device.
IP h3cIpAddrOldIpAddress	1.3.6.1.4.1.43.45.1.10.2.67.2.1.2	InetAddress	accessible-for-notify	The Old IP address of specified interface on the device.
IP h3cIpAddrNewIpAddress	1.3.6.1.4.1.43.45.1.10.2.67.2.1.3	InetAddress	accessible-for-notify	The New IP address of specified interface on the device.
TIK h3cIpAddrFirstTrapTime	1.3.6.1.4.1.43.45.1.10.2.67.2.1.4	TimeTicks	accessible-for-notify	Represents the first trap time.
h3cIpAddrNotifyObjects	1.3.6.1.4.1.43.45.1.10.2.67.2.2
h3cIpAddrNotifyObjectsPrefix	1.3.6.1.4.1.43.45.1.10.2.67.2.2.0
NTF h3cIpAddressChangeNotify	1.3.6.1.4.1.43.45.1.10.2.67.2.2.0.1			This notification will be generated when the IP address of interface is changed. The change maybe originate from NMS, DHCP server or administrator. This notification announces useful IP address change. So it is triggered by significative IP address change.

RFC description

H3C vendor-private MIB for IPv4 address configuration and management on network interfaces, supporting address assignment and modification.

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Download A3COM-HUAWEI-IP-ADDRESS-MIB

What Is A3COM-HUAWEI-IP-ADDRESS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description