TELDAT-TRAP-DHCL-MIB

All MIBs › TELDAT-TRAP-DHCL-MIB

Organization: Teldat, S.A.

Last Updated: 2014-01-20

Category: Teldat Router Management, Teldat Trap Notifications

Description: Defines Teldat router DHCL (DHCP client) event trap notifications.

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What Is TELDAT-TRAP-DHCL-MIB?

This is a Teldat-proprietary notification MIB defining SNMP trap events generated by the DHCP client (DHCL) subsystem on Teldat routers. It exposes fault/event data rather than polled counters - the trap objects carry details such as the affected interface, port, message type, and failure reason whenever a DHCP client event occurs. It is used purely for software-status monitoring of the DHCP client process: administrators use these traps to detect lease failures, interface-specific DHCP problems, or unexpected client state transitions as they happen, rather than by periodic polling. It has no explicit dependency on external IETF DHCP MIBs, being a Teldat-internal event-notification scheme layered on the standard SNMP notification framework. It is deployed on Teldat routers acting as DHCP clients on WAN or LAN interfaces, typically in branch-office deployments relying on dynamic addressing from an ISP or upstream DHCP server, where TELDAT-TRAP-DHCL-MIB SNMP monitoring provides the trap-driven visibility needed to catch lease failures as they happen.

IPNetwork Monitor allows you to monitor SNMP objects defined in TELDAT-TRAP-DHCL-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

Teldat router

Monitoring Examples

A NOC would subscribe to dhclNotifications and inspect varbinds such as dhcl4-interface and dhcl5-message-type to identify which router interface failed to obtain or renew a DHCP lease and what kind of message was involved. The dhcl6-reason and dhcl7-reason objects supply a coded or textual reason for a failure, letting an admin distinguish a timeout from a NAK response. Because these are traps rather than polled counters, monitoring relies on a trap receiver correlating dhcl1-generic-info through dhcl8-message-type objects across successive DHCP client events on a given interface.

What Can Be Monitored

DHCP client lease events
affected interface/port
DHCP message type
failure/close reason codes

Imported Objects

From SNMPv2-SMI

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

From SNMPv2-TC

DisplayString

From TELDAT-MIB

telEventTraps

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
dhclTrapsMIB	1.3.6.1.4.1.2007.1.4.182			This Module Information Base file is defined for managing received SNMP notifications generated by the DHCL event subsystem.
dhclEventsGroup	1.3.6.1.4.1.2007.1.4.182.1
dhclEventObjects1	1.3.6.1.4.1.2007.1.4.182.1.1			Event DHCL.1 Generic event to display any information.
STR dhcl1_generic_info	1.3.6.1.4.1.2007.1.4.182.1.1.1	DisplayString	accessible-for-notify	Parameter 'generic-info' in event DHCL.1
dhclEventObjects2	1.3.6.1.4.1.2007.1.4.182.1.2			Event DHCL.2 An error ocurred starting DHCP client: UDP port could not be registered.
I32 dhcl2_port	1.3.6.1.4.1.2007.1.4.182.1.2.1	Integer32	accessible-for-notify	Parameter 'port' in event DHCL.2
dhclEventObjects3	1.3.6.1.4.1.2007.1.4.182.1.3			Event DHCL.3 DHCP client has started running on this interface.
STR dhcl3_interface	1.3.6.1.4.1.2007.1.4.182.1.3.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.3
dhclEventObjects4	1.3.6.1.4.1.2007.1.4.182.1.4			Event DHCL.4 DHCP client could no start running on this interface because DHCP client is only supported on Ethernet interfaces or subinterfaces.
STR dhcl4_interface	1.3.6.1.4.1.2007.1.4.182.1.4.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.4
dhclEventObjects5	1.3.6.1.4.1.2007.1.4.182.1.5			Event DHCL.5 A DHCP message, whose type is shown, was received on this interface.
STR dhcl5_message_type	1.3.6.1.4.1.2007.1.4.182.1.5.1	DisplayString	accessible-for-notify	Parameter 'message-type' in event DHCL.5
STR dhcl5_interface	1.3.6.1.4.1.2007.1.4.182.1.5.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.5
dhclEventObjects6	1.3.6.1.4.1.2007.1.4.182.1.6			Event DHCL.6 A packet was received on this interface and is discarded because of the given reason. Possible causes are: - Data inconsistence. - No memory. - Err parsing opts. - Missed magic cookie. - No BOOTREPLY. - Bad type.
STR dhcl6_interface	1.3.6.1.4.1.2007.1.4.182.1.6.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.6
STR dhcl6_reason	1.3.6.1.4.1.2007.1.4.182.1.6.2	DisplayString	accessible-for-notify	Parameter 'reason' in event DHCL.6
dhclEventObjects7	1.3.6.1.4.1.2007.1.4.182.1.7			Event DHCL.7 A DHCP message, whose type is shown, was received on this interface and is discarded because of the given reason. Possible causes are: - XID mismatch. - No SELECTING (only for DHCPDISCOVER). - Not expected - MAC mismatch. - Duplicated lease (only for DHCPDISCOVER). - No memory.
STR dhcl7_message_type	1.3.6.1.4.1.2007.1.4.182.1.7.1	DisplayString	accessible-for-notify	Parameter 'message-type' in event DHCL.7
STR dhcl7_interface	1.3.6.1.4.1.2007.1.4.182.1.7.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.7
STR dhcl7_reason	1.3.6.1.4.1.2007.1.4.182.1.7.3	DisplayString	accessible-for-notify	Parameter 'reason' in event DHCL.7
dhclEventObjects8	1.3.6.1.4.1.2007.1.4.182.1.8			Event DHCL.8 A DHCP message, whose type is shown, is transmitted on this interface.
STR dhcl8_message_type	1.3.6.1.4.1.2007.1.4.182.1.8.1	DisplayString	accessible-for-notify	Parameter 'message-type' in event DHCL.8
STR dhcl8_interface	1.3.6.1.4.1.2007.1.4.182.1.8.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.8
dhclEventObjects9	1.3.6.1.4.1.2007.1.4.182.1.9			Event DHCL.9 A DHCP message, whose type is shown, is transmitted on this interface. Source and destination addresses are also included in this event.
STR dhcl9_message_type	1.3.6.1.4.1.2007.1.4.182.1.9.1	DisplayString	accessible-for-notify	Parameter 'message-type' in event DHCL.9
STR dhcl9_interface	1.3.6.1.4.1.2007.1.4.182.1.9.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.9
IP dhcl9_src_addr	1.3.6.1.4.1.2007.1.4.182.1.9.3	IpAddress	accessible-for-notify	Parameter 'src-addr' in event DHCL.9
IP dhcl9_dest_addr	1.3.6.1.4.1.2007.1.4.182.1.9.4	IpAddress	accessible-for-notify	Parameter 'dest-addr' in event DHCL.9
dhclEventObjects10	1.3.6.1.4.1.2007.1.4.182.1.10			Event DHCL.10 A DHCP message could not be transmitted because the interface is not up.
STR dhcl10_interface	1.3.6.1.4.1.2007.1.4.182.1.10.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.10
dhclEventObjects11	1.3.6.1.4.1.2007.1.4.182.1.11			Event DHCL.11 DHCP client running on this interface has been assigned the shown IP address and it has been added to the interface.
IP dhcl11_ip_address	1.3.6.1.4.1.2007.1.4.182.1.11.1	IpAddress	accessible-for-notify	Parameter 'ip-address' in event DHCL.11
STR dhcl11_interface	1.3.6.1.4.1.2007.1.4.182.1.11.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.11
dhclEventObjects12	1.3.6.1.4.1.2007.1.4.182.1.12			Event DHCL.12 An error has occurred while adding the assigned IP address to the specified interface.
IP dhcl12_ip_address	1.3.6.1.4.1.2007.1.4.182.1.12.1	IpAddress	accessible-for-notify	Parameter 'ip-address' in event DHCL.12
STR dhcl12_interface	1.3.6.1.4.1.2007.1.4.182.1.12.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.12
dhclEventObjects13	1.3.6.1.4.1.2007.1.4.182.1.13			Event DHCL.13 DHCP client is releasing the assigned IP address and restoring the configured one on this interface.
IP dhcl13_ip_address	1.3.6.1.4.1.2007.1.4.182.1.13.1	IpAddress	accessible-for-notify	Parameter 'ip-address' in event DHCL.13
STR dhcl13_interface	1.3.6.1.4.1.2007.1.4.182.1.13.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.13
dhclEventObjects14	1.3.6.1.4.1.2007.1.4.182.1.14			Event DHCL.14 An error has occurred while deleting the assigned IP address and restoring the configured one on this interface.
IP dhcl14_ip_address	1.3.6.1.4.1.2007.1.4.182.1.14.1	IpAddress	accessible-for-notify	Parameter 'ip-address' in event DHCL.14
STR dhcl14_interface	1.3.6.1.4.1.2007.1.4.182.1.14.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.14
dhclEventObjects15	1.3.6.1.4.1.2007.1.4.182.1.15			Event DHCL.15 The default gateway assigned to DHCP client on this interface has been added (as a default route).
IP dhcl15_gateway	1.3.6.1.4.1.2007.1.4.182.1.15.1	IpAddress	accessible-for-notify	Parameter 'gateway' in event DHCL.15
STR dhcl15_interface	1.3.6.1.4.1.2007.1.4.182.1.15.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.15
dhclEventObjects16	1.3.6.1.4.1.2007.1.4.182.1.16			Event DHCL.16 An error has ocurred while adding the default gateway assigned to DHCP client on this interface (as a default route).
IP dhcl16_gateway	1.3.6.1.4.1.2007.1.4.182.1.16.1	IpAddress	accessible-for-notify	Parameter 'gateway' in event DHCL.16
STR dhcl16_interface	1.3.6.1.4.1.2007.1.4.182.1.16.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.16
dhclEventObjects17	1.3.6.1.4.1.2007.1.4.182.1.17			Event DHCL.17 The default gateway assigned to DHCP client on this interface has been deleted because the DHCP cliente is performing a shutdown or the lease time has expired.
IP dhcl17_gateway	1.3.6.1.4.1.2007.1.4.182.1.17.1	IpAddress	accessible-for-notify	Parameter 'gateway' in event DHCL.17
STR dhcl17_interface	1.3.6.1.4.1.2007.1.4.182.1.17.2	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.17
dhclEventObjects18	1.3.6.1.4.1.2007.1.4.182.1.18			Event DHCL.18 The maximum number of retransmissions of DHCP messages of the indicated type has been reached, so the DHCP client on the given interface is going to be restarted.
STR dhcl18_message_type	1.3.6.1.4.1.2007.1.4.182.1.18.1	DisplayString	accessible-for-notify	Parameter 'message-type' in event DHCL.18
I32 dhcl18_max_num_retx	1.3.6.1.4.1.2007.1.4.182.1.18.2	Integer32	accessible-for-notify	Parameter 'max-num-retx' in event DHCL.18
STR dhcl18_interface	1.3.6.1.4.1.2007.1.4.182.1.18.3	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.18
dhclEventObjects19	1.3.6.1.4.1.2007.1.4.182.1.19			Event DHCL.19 Timer T1 (renewal time) has expired so the DHCP client running on the specified interface changes to RENEWING state and tries to extend its lease sending DHCPREQUEST messages addressed to the server which originally issued the client's network address.
STR dhcl19_interface	1.3.6.1.4.1.2007.1.4.182.1.19.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.19
dhclEventObjects20	1.3.6.1.4.1.2007.1.4.182.1.20			Event DHCL.20 Timer T2 (rebind time) has expired so the DHCP client running on the specified interface changes to REBINDING state and tries to extend its lease broadcasting DHCPREQUEST messages.
STR dhcl20_interface	1.3.6.1.4.1.2007.1.4.182.1.20.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.20
dhclEventObjects21	1.3.6.1.4.1.2007.1.4.182.1.21			Event DHCL.21 Lease time has expired so the DHCP client running on the specified interface releases the assigned IP address and the other adquired parameters, returns to its initialization parameters and restarts.
STR dhcl21_interface	1.3.6.1.4.1.2007.1.4.182.1.21.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.21
dhclEventObjects22	1.3.6.1.4.1.2007.1.4.182.1.22			Event DHCL.22 The dhcp-negotiated address has been dynamically deleted, so DHCP client must be disabled on this interface.
STR dhcl22_interface	1.3.6.1.4.1.2007.1.4.182.1.22.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.22
dhclEventObjects23	1.3.6.1.4.1.2007.1.4.182.1.23			Event DHCL.23 The DHCP client on this interface performs a shutdown due to a release command or because the dhcp-negotiated address has been dynamically deleted.
STR dhcl23_interface	1.3.6.1.4.1.2007.1.4.182.1.23.1	DisplayString	accessible-for-notify	Parameter 'interface' in event DHCL.23
dhclNotifications	1.3.6.1.4.1.2007.1.4.182.2
dhclNotificationsPrefix	1.3.6.1.4.1.2007.1.4.182.2.0
NTF dhclNotification1	1.3.6.1.4.1.2007.1.4.182.2.0.1			Notification of Event DHCL.1 Message: '$1' Parameters list: $1: dhcl1-generic-info Generic event to display any information.
NTF dhclNotification2	1.3.6.1.4.1.2007.1.4.182.2.0.2			Notification of Event DHCL.2 Message: 'Error starting DHCP client: UDP port $1 could not be registered' Parameters list: $1: dhcl2-port An error ocurred starting DHCP client: UDP port could not be registered.
NTF dhclNotification3	1.3.6.1.4.1.2007.1.4.182.2.0.3			Notification of Event DHCL.3 Message: 'DHCP client started on interface $1' Parameters list: $1: dhcl3-interface DHCP client has started running on this interface.
NTF dhclNotification4	1.3.6.1.4.1.2007.1.4.182.2.0.4			Notification of Event DHCL.4 Message: 'DHCP client not started on interface $1: only supported on Ethernet interfaces' Parameters list: $1: dhcl4-interface DHCP client could no start running on this interface because DHCP client is only supported on Ethernet interfaces or subinterfaces.
NTF dhclNotification5	1.3.6.1.4.1.2007.1.4.182.2.0.5			Notification of Event DHCL.5 Message: 'Received $1 message on interface $2' Parameters list: $1: dhcl5-message-type $2: dhcl5-interface A DHCP message, whose type is shown, was received on this interface.
NTF dhclNotification6	1.3.6.1.4.1.2007.1.4.182.2.0.6			Notification of Event DHCL.6 Message: 'Discarded received packet on interface $1 (reason: $2)' Parameters list: $1: dhcl6-interface $2: dhcl6-reason A packet was received on this interface and is discarded because of the given reason. Possible causes are: - Data inconsistence. - No memory. - Err parsing opts. - Missed magic cookie. - No BOOTREPLY. - Bad type.
NTF dhclNotification7	1.3.6.1.4.1.2007.1.4.182.2.0.7			Notification of Event DHCL.7 Message: 'Discarded received $1 on interface $2 (reason: $3)' Parameters list: $1: dhcl7-message-type $2: dhcl7-interface $3: dhcl7-reason A DHCP message, whose type is shown, was received on this interface and is discarded because of the given reason. Possible causes are: - XID mismatch. - No SELECTING (only for DHCPDISCOVER). - Not expected - MAC mismatch. - Duplicated lease (only for DHCPDISCOVER). - No memory.
NTF dhclNotification8	1.3.6.1.4.1.2007.1.4.182.2.0.8			Notification of Event DHCL.8 Message: '$1 message transmitted on interface $2' Parameters list: $1: dhcl8-message-type $2: dhcl8-interface A DHCP message, whose type is shown, is transmitted on this interface.
NTF dhclNotification9	1.3.6.1.4.1.2007.1.4.182.2.0.9			Notification of Event DHCL.9 Message: '$1 message transmitted on interface $2 ($3 -> $4)' Parameters list: $1: dhcl9-message-type $2: dhcl9-interface $3: dhcl9-src-addr $4: dhcl9-dest-addr A DHCP message, whose type is shown, is transmitted on this interface. Source and destination addresses are also included in this event.
NTF dhclNotification10	1.3.6.1.4.1.2007.1.4.182.2.0.10			Notification of Event DHCL.10 Message: 'Transmission failed: interface $1 is not up' Parameters list: $1: dhcl10-interface A DHCP message could not be transmitted because the interface is not up.
NTF dhclNotification11	1.3.6.1.4.1.2007.1.4.182.2.0.11			Notification of Event DHCL.11 Message: 'Added assigned IP address $1 to interface $2' Parameters list: $1: dhcl11-ip-address $2: dhcl11-interface DHCP client running on this interface has been assigned the shown IP address and it has been added to the interface.
NTF dhclNotification12	1.3.6.1.4.1.2007.1.4.182.2.0.12			Notification of Event DHCL.12 Message: 'Error adding assigned IP address $1 to interface $2' Parameters list: $1: dhcl12-ip-address $2: dhcl12-interface An error has occurred while adding the assigned IP address to the specified interface.
NTF dhclNotification13	1.3.6.1.4.1.2007.1.4.182.2.0.13			Notification of Event DHCL.13 Message: 'Deleted assigned IP address $1 on interface $2' Parameters list: $1: dhcl13-ip-address $2: dhcl13-interface DHCP client is releasing the assigned IP address and restoring the configured one on this interface.
NTF dhclNotification14	1.3.6.1.4.1.2007.1.4.182.2.0.14			Notification of Event DHCL.14 Message: 'Error deleting assigned IP address $1 on interface $2' Parameters list: $1: dhcl14-ip-address $2: dhcl14-interface An error has occurred while deleting the assigned IP address and restoring the configured one on this interface.
NTF dhclNotification15	1.3.6.1.4.1.2007.1.4.182.2.0.15			Notification of Event DHCL.15 Message: 'Added assigned default gateway $1 (DHCP client on interface $2)' Parameters list: $1: dhcl15-gateway $2: dhcl15-interface The default gateway assigned to DHCP client on this interface has been added (as a default route).
NTF dhclNotification16	1.3.6.1.4.1.2007.1.4.182.2.0.16			Notification of Event DHCL.16 Message: 'Error adding assigned default gateway $1 (DHCP client on interface $2)' Parameters list: $1: dhcl16-gateway $2: dhcl16-interface An error has ocurred while adding the default gateway assigned to DHCP client on this interface (as a default route).
NTF dhclNotification17	1.3.6.1.4.1.2007.1.4.182.2.0.17			Notification of Event DHCL.17 Message: 'Deleted assigned default gateway $1 (DHCP client on interface $2)' Parameters list: $1: dhcl17-gateway $2: dhcl17-interface The default gateway assigned to DHCP client on this interface has been deleted because the DHCP cliente is performing a shutdown or the lease time has expired.
NTF dhclNotification18	1.3.6.1.4.1.2007.1.4.182.2.0.18			Notification of Event DHCL.18 Message: 'Maximum number of retransmissions of $1 messages reached ($2): DHCP client restarted on interface $3' Parameters list: $1: dhcl18-message-type $2: dhcl18-max-num-retx $3: dhcl18-interface The maximum number of retransmissions of DHCP messages of the indicated type has been reached, so the DHCP client on the given interface is going to be restarted.
NTF dhclNotification19	1.3.6.1.4.1.2007.1.4.182.2.0.19			Notification of Event DHCL.19 Message: 'Timer T1 expired: state changed to RENEWING on interface $1' Parameters list: $1: dhcl19-interface Timer T1 (renewal time) has expired so the DHCP client running on the specified interface changes to RENEWING state and tries to extend its lease sending DHCPREQUEST messages addressed to the server which originally issued the client's network address.
NTF dhclNotification20	1.3.6.1.4.1.2007.1.4.182.2.0.20			Notification of Event DHCL.20 Message: 'Timer T2 expired: state changed to REBINDING on interface $1' Parameters list: $1: dhcl20-interface Timer T2 (rebind time) has expired so the DHCP client running on the specified interface changes to REBINDING state and tries to extend its lease broadcasting DHCPREQUEST messages.
NTF dhclNotification21	1.3.6.1.4.1.2007.1.4.182.2.0.21			Notification of Event DHCL.21 Message: 'Lease expired: client restarted on interface $1' Parameters list: $1: dhcl21-interface Lease time has expired so the DHCP client running on the specified interface releases the assigned IP address and the other adquired parameters, returns to its initialization parameters and restarts.
NTF dhclNotification22	1.3.6.1.4.1.2007.1.4.182.2.0.22			Notification of Event DHCL.22 Message: 'Deleted address dhcp-negotiated: disabling DHCP client on interface $1' Parameters list: $1: dhcl22-interface The dhcp-negotiated address has been dynamically deleted, so DHCP client must be disabled on this interface.
NTF dhclNotification23	1.3.6.1.4.1.2007.1.4.182.2.0.23			Notification of Event DHCL.23 Message: 'Shutdown of DHCP client on interface $1' Parameters list: $1: dhcl23-interface The DHCP client on this interface performs a shutdown due to a release command or because the dhcp-negotiated address has been dynamically deleted.

RFC description

Teldat vendor-private MIB for DHCP trap/notification management; defines DHCP-related alarms and event notifications on Teldat routing equipment.

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Download TELDAT-TRAP-DHCL-MIB

What Is TELDAT-TRAP-DHCL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description