BCN-DHCPV4-MIB

All MIBs › BCN-DHCPV4-MIB

Organization: BlueCat Networks

Last Updated: 2010-12-08

Category: IP and Core Protocols, Vendor: BlueCat Networks

Description: Manages DHCPv4 server scopes, leases, and failover configuration on BlueCat Networks IPAM appliances.

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What Is BCN-DHCPV4-MIB?

BCN-DHCPV4-MIB is a proprietary BlueCat Networks MIB for the DHCPv4 service running on their IPAM/DDI appliances, exposing service status, per-lease detail, and subnet scope information. It provides operational state, lease statistics (success counts), a lease table (IP, MAC address, hostname, start/end time), and subnet scope data. Its central monitoring role is software service health: bcnDhcpv4SerOperState confirms whether the DHCP daemon itself is running, while lease statistics and timestamps expose address-pool consumption trends and lease-issuance failures. It is typically deployed alongside other BlueCat enterprise MIBs (such as license and DNS MIBs) on the same appliance platform. It is used in enterprise/carrier IPAM environments where BlueCat appliances centrally provide DHCP service to client networks. Engineers can download the BCN-DHCPV4-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in BCN-DHCPV4-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

BlueCat Networks IPAM/DDI appliance

Monitoring Examples

An admin polls bcnDhcpv4SerOperState to confirm the DHCPv4 service process is up and bcnDhcpv4LeaseStatsSuccess to track cumulative successful leases, then walks bcnDhcpv4LeaseTable/bcnDhcpv4LeaseEntry for per-lease bcnDhcpv4LeaseIP, bcnDhcpv4LeaseMacAddress, bcnDhcpv4LeaseHostname, and bcnDhcpv4LeaseStartTime/EndTime. A drop in bcnDhcpv4LeaseStatsSuccess paired with bcnDhcpv4SerOperState going down indicates the DHCP service has failed, while shrinking free space across bcnDhcpv4SubnetTable entries signals an address pool nearing exhaustion.

What Can Be Monitored

DHCPv4 service operational state
active lease table (IP, MAC, hostname)
lease start/end timestamps
lease success statistics
subnet scope table
first-alert IP address

Imported Objects

From BCN-SMI-MIB

bcnServices

OBJECT-IDENTITY

From BCN-TC-MIB

BcnAlarmSeverity

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Gauge32
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
MacAddress

How to Use in IPNetwork Monitor

Example using bcnDhcpv4LeaseStatsSuccess OID:

Select a BlueCat Networks DNS/DHCP/IPAM appliance as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type bcnDhcpv4LeaseStatsSuccess into the Find box to locate it in the OID tree, then select it and click OK. The number of successful DHCPv4 leases issued per second. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Gauge32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
bcnDhcpv4	1.3.6.1.4.1.13315.3.1.1
bcnDhcpv4MIB	1.3.6.1.4.1.13315.3.1.1.1			This module provides status as well as statistical information about the DHCPv4 service.
bcnDhcpv4Objects	1.3.6.1.4.1.13315.3.1.1.2
bcnDhcpv4ServiceStatus	1.3.6.1.4.1.13315.3.1.1.2.1			General state of the DHCPv4 Service.
INT bcnDhcpv4SerOperState	1.3.6.1.4.1.13315.3.1.1.2.1.1	INTEGER	read-only	Operational state of the Service. The possible states are: running(1) The service is running normally. notRunning(2) The service is stopped either intentionally (i.e.: the service is not supposed to run on this node) or unintentionally (a problem has occurred). starting(3) The service is in the process of starting, either for the first time of after an event occurred. stopping(4) The service is in the process of stopping. Stopping a service might be necessary after a configuration change. fault(5) An error has been detected and the state is undefined.
IP bcnDhcpv4FirstAlertIpAddr	1.3.6.1.4.1.13315.3.1.1.2.1.2	IpAddress	read-only	The IP address identifying either subnet or pool for which the available IPs have been exhausted.
G32 bcnDhcpv4LeaseStatsSuccessEx	1.3.6.1.4.1.13315.3.1.1.2.1.3	Gauge32	read-only	The number of successful DHCPv4 leases issued per second.
bcnDhcpv4ServiceStatistics	1.3.6.1.4.1.13315.3.1.1.2.2			General state of the DHCPv4 Service.
bcnDhcpv4LeaseTable	1.3.6.1.4.1.13315.3.1.1.2.2.1		not-accessible	Current lease table.
bcnDhcpv4LeaseEntry	1.3.6.1.4.1.13315.3.1.1.2.2.1.1		not-accessible	A logical row in the bcnDhcpv4LeaseTable.
IP bcnDhcpv4LeaseIP	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.1	IpAddress	not-accessible	IP address of the lease.
U32 bcnDhcpv4LeaseStartTime	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.2	Unsigned32	read-only	Start time of the lease.
U32 bcnDhcpv4LeaseEndTime	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.3	Unsigned32	read-only	End time of the lease.
U32 bcnDhcpv4LeaseTimeStamp	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.4	Unsigned32	read-only	When failover protocol is being used the timestamp will indicate the time the peer has either been told the lease expires, or the expiry time that the peer has acknowledged.
MAC bcnDhcpv4LeaseMacAddress	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.5	MacAddress	read-only	The hardware address (MAC address) of this lease.
STR bcnDhcpv4LeaseHostname	1.3.6.1.4.1.13315.3.1.1.2.2.1.1.6	DisplayString	read-only	The client hostname of the lease.
bcnDhcpv4SubnetTable	1.3.6.1.4.1.13315.3.1.1.2.2.2		not-accessible	Current subnet table.
bcnDhcpv4SubnetEntry	1.3.6.1.4.1.13315.3.1.1.2.2.2.1		not-accessible	A logical row in the bcnDhcpv4SubnetTable.
IP bcnDhcpv4SubnetIP	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.1	IpAddress	not-accessible	IP address of the subnet.
IP bcnDhcpv4SubnetMask	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.2	IpAddress	read-only	IP mask of the subnet.
U32 bcnDhcpv4SubnetSize	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.3	Unsigned32	read-only	Size of the subnet. The size of the subnet is calculated as the sum of the sizes of each pool defined within it. The pools are defined such that the fixed IPs are not contained within them.
U32 bcnDhcpv4SubnetFreeAddresses	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.4	Unsigned32	read-only	The number of IPs addresses available in this subnet.
U32 bcnDhcpv4SubnetLowThreshold	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.5	Unsigned32	read-only	Low threshold for available free addresses in this subnet. If the value for available free addresses in this subnet becomes equal to or less than this value, a bcnDhcpv4SubnetLowNotif event is generated for this subnet. No more bcnDhcpv4SubnetLowNotif events will be generated for this subnet during this execution of the DHCPv4 server until the value for available free addresses has exceeded the value of bcnDhcpv4SubnetHighThreshold.
U32 bcnDhcpv4SubnetHighThreshold	1.3.6.1.4.1.13315.3.1.1.2.2.2.1.6	Unsigned32	read-only	High threshold for available free addresses in this subnet. If a bcnDhcpv4SubnetLowNotif event was generated and the value for available free addresses in this subnet has exceeded this value, a bcnDhcpv4SubnetHighNotif event is generated for this subnet. No more bcnDhcpv4SubnetHighNotif events will be generated for this subnet during this execution of the DHCPv4 server until another bcnDhcpv4SubnetLowNotif is generated.
bcnDhcpv4PoolTable	1.3.6.1.4.1.13315.3.1.1.2.2.3		not-accessible	Current pool table.
bcnDhcpv4PoolEntry	1.3.6.1.4.1.13315.3.1.1.2.2.3.1		not-accessible	A logical row in the bcnDhcpv4PoolTable.
IP bcnDhcpv4PoolStartIP	1.3.6.1.4.1.13315.3.1.1.2.2.3.1.1	IpAddress	not-accessible	Start IP address of this pool.
IP bcnDhcpv4PoolEndIP	1.3.6.1.4.1.13315.3.1.1.2.2.3.1.2	IpAddress	read-only	End IP address of this pool.
IP bcnDhcpv4PoolSubnetIP	1.3.6.1.4.1.13315.3.1.1.2.2.3.1.3	IpAddress	read-only	Subnet IP address of the pool.
U32 bcnDhcpv4PoolSize	1.3.6.1.4.1.13315.3.1.1.2.2.3.1.4	Unsigned32	read-only	The size of this pool.
U32 bcnDhcpv4PoolFreeAddresses	1.3.6.1.4.1.13315.3.1.1.2.2.3.1.5	Unsigned32	read-only	The number of IPs addresses available in this pool.
bcnDhcpv4FixedIPTable	1.3.6.1.4.1.13315.3.1.1.2.2.4		not-accessible	List of fixed IP addresses for this DHCPv4 server.
bcnDhcpv4FixedIPEntry	1.3.6.1.4.1.13315.3.1.1.2.2.4.1		not-accessible	A logical row in the bcnDhcpv4FixedIPTable.
IP bcnDhcpv4FixedIP	1.3.6.1.4.1.13315.3.1.1.2.2.4.1.1	IpAddress	read-only	One of the fixed IP addresses in the DHCPv4 configuration.
bcnDhcpv4Notification	1.3.6.1.4.1.13315.3.1.1.3
bcnDhcpv4NotificationEvents	1.3.6.1.4.1.13315.3.1.1.3.0
NTF bcnDhcpv4AlarmNotif	1.3.6.1.4.1.13315.3.1.1.3.0.1			A bcnDhcpv4AlarmNotif signifies that the DHCPv4 service has transitioned state or a particular event has been detected on the service.
NTF bcnDhcpv4FailOverNotif	1.3.6.1.4.1.13315.3.1.1.3.0.2			A change of state has been detected on the DHCPv4 failover mechanism.
NTF bcnDhcpv4SubnetLowNotif	1.3.6.1.4.1.13315.3.1.1.3.0.3			This notification signifies that the number of available IPv4 addresses for a particular subnet has fallen below the value of bcnDhcpv4SubnetLowThreshold for that subnet.
NTF bcnDhcpv4SubnetHighNotif	1.3.6.1.4.1.13315.3.1.1.3.0.4			This notification signifies that the number of available IPv4 addresses for a particular subnet has risen above the value of bcnDhcpv4SubnetHighThreshold for that subnet.
bcnDhcpv4NotificationData	1.3.6.1.4.1.13315.3.1.1.3.1
BCN bcnDhcpv4AlarmSeverity	1.3.6.1.4.1.13315.3.1.1.3.1.1	BcnAlarmSeverity	accessible-for-notify	Severity classification for the alarm.
STR bcnDhcpv4AlarmInfo	1.3.6.1.4.1.13315.3.1.1.3.1.2	DisplayString	accessible-for-notify	Descriptive information about the alarm event.
INT bcnDhcpv4FailOverState	1.3.6.1.4.1.13315.3.1.1.3.1.3	INTEGER	accessible-for-notify	The state of DHCPv4 failover.
IP bcnDhcpv4SubnetAlertIpAddr	1.3.6.1.4.1.13315.3.1.1.3.1.4	IpAddress	accessible-for-notify	The IP address identifying a subnet for which the available IPs have been exhausted.
bcnDhcpv4Conformance	1.3.6.1.4.1.13315.3.1.1.4
bcnDhcpv4ServiceCompliances	1.3.6.1.4.1.13315.3.1.1.4.1
bcnDhcpv4StatusCompliance	1.3.6.1.4.1.13315.3.1.1.4.1.1			Basic conformance
bcnDhcpv4ServiceGroups	1.3.6.1.4.1.13315.3.1.1.4.2
bcnDhcpv4ServiceStatusGroup	1.3.6.1.4.1.13315.3.1.1.4.2.1			Status conformance.
bcnDhcpv4StatisticsGroup	1.3.6.1.4.1.13315.3.1.1.4.2.2			Server statistics conformance.
bcnDhcpv4NotificationEventGroup	1.3.6.1.4.1.13315.3.1.1.4.2.3			Server statistics conformance.
bcnDhcpv4NotificationDataGroup	1.3.6.1.4.1.13315.3.1.1.4.2.4			Server statistics conformance.

RFC description

Provides status and statistics for BlueCat Networks DHCPv4 service monitoring and management.

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Download BCN-DHCPV4-MIB