CISCO-IETF-NAT-MIB Download

cnatConfTable

This table specifies the configuration attributes for a device supporting NAT function.

cnatConfEntry

Each entry in the cnatConfTable holds a set of configuration parameters associated with an instance of NAT. Entries in the cnatConfTable are created and deleted using the cnatConfStatus object.

cnatConfName

The locally arbitrary, but unique identifier associated with this cnatConfEntry.

cnatConfServiceType

An indication of the direction in which new sessions are permitted and the extent of translation done within the IP and transport headers.

cnatConfTimeoutIcmpIdle

The interval of time for which an ICMP protocol session, associated with this configuration, is allowed to remain valid without any activity.

cnatConfTimeoutUdpIdle

The interval of time for which a UDP protocol session, associated with this configuration, is allowed to remain valid without any activity.

cnatConfTimeoutTcpIdle

The interval of time for which a TCP protocol session, associated with this configuration, is allowed to remain valid without any activity. This timeout value applies to a TCP session during its data transfer phase.

cnatConfTimeoutTcpNeg

The interval of time for which a TCP protocol session, associated with this configuration, is allowed to remain valid without any activity. This timeout value applies to a TCP session during its establishment and termination phases.

cnatConfTimeoutOther

The interval of time for which a protocol session other than ICMP, UDP and TCP, associated with this configuration, is allowed to remain valid, without any activity.

cnatConfMaxBindLeaseTime

The maximum lease time for the BIND, associated with this configuration. Unless the lease time is renewed, a BIND will not be valid past the lease time. As a special case, a value of 0 may be assumed to indicate no lease time limit. Typically, this attrib ...

cnatConfMaxBindIdleTime

The maximum time, associated with this configuration, to allow a dynamic BIND to remain valid with no NAT session hanging off this BIND. By default for NATIVE NAT maximum Idle time is 0. External agents could control this parameter differently. Static Bin ...

cnatConfStorageType

The storage type for this conceptual row.

cnatConfStatus

The status of this conceptual row.

cnatConfStaticAddrMapTable

This table lists configuration for static NAT entries. This table has an expansion dependent relationship on the cnatConfTable. When an SNMP entity deletes a conceptual row from the cnatConfTable, then the corresponding entries are deleted from cnatConfSt ...

cnatConfStaticAddrMapEntry

A description of a static NAT entry. This entry contributes to the static NAT table of the device.

cnatConfStaticAddrMapName

An arbitrary, but unique identifier associated with this cnatConfStaticAddrMapEntry. The value of this object is unique across both the static address map and the dynamic address map tables.

cnatConfStaticAddrMapType

Address (and Transport-ID) maps may be defined for both inbound and outbound direction. Outbound address map refers to mapping a selected set of addresses from private realm to a selected set of addresses in external realm; whereas inbound address map ref ...

cnatConfStaticLocalAddrFrom

This object specifies the first IP address of the range of IP addresses mapped by this translation entry.

cnatConfStaticLocalAddrTo

This object specifies the last IP address of the range of IP addresses mapped by this translation entry. If only a single address being mapped, the value of this object is equal to the value of cnatConfStaticLocalAddrFrom. The number addresses in the rang ...

cnatConfStaticLocalPortFrom

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the first port number in the range of ports being mapped. If the translation specifies a sin ...

cnatConfStaticLocalPortTo

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the last port number in the range of ports being mapped. If the translation specifies a sing ...

cnatConfStaticGlobalAddrFrom

This object specifies the first IP address of the range of IP addresses being mapped to.

cnatConfStaticGlobalAddrTo

This object specifies the last IP address of the range of IP addresses being mapped to. If only a single address is being mapped to, the value of this object is equal to the value of cnatConfStaticGlobalAddrFrom.The number addresses in the range defined b ...

cnatConfStaticGlobalPortFrom

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the first port number in the range of ports being mapped to. If the translation specifies a ...

cnatConfStaticGlobalPortTo

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual describes NAPT, then the value of this object specifies the last port number in the range of ports being to. If the translation specifies a single port, ...

cnatConfStaticProtocol

This object specifies a protocol identifier. If the value of this object is '0', then this basic NAT entry applies to all IP traffic. If the value of this object is non-zero, then this NAT entry only applies to IP traffic with the specified protocol.

cnatConfStaticAddrMapStorageType

The storage type for this conceptual row.

cnatConfStaticAddrMapStatus

The status of this conceptual row. To create a row in this table, a manager must set this object to either createAndGo(4) or createAndWait(5).

cnatConfDynAddrMapTable

This table lists dynamic NAT entries. This table has an expansion dependent relationship on the cnatConfTable. When an SNMP entity deletes a conceptual row from the cnatConfTable, then the corresponding entries are deleted from cnatConfDynAddrMapTable.

cnatConfDynAddrMapEntry

A description of a dynamic NAT entry. This entry contributes to the dynamic NAT table of the device.

cnatConfDynAddrMapName

An arbitrary, but unique identifier associated with this cnatConfDynAddrMapEntry. The value of this object is unique across both the static address map and the dynamic address map tables.

cnatConfDynAddressMapType

Address (and Transport-ID) maps may be defined for both inbound and outbound direction. Outbound address map refers to mapping a selected set of addresses from private realm to a selected set of addresses in external realm; whereas inbound address map ref ...

cnatConfDynLocalAddrFrom

This object specifies the first IP address of the range of IP addresses mapped by this translation entry.

cnatConfDynLocalAddrTo

This object specifies the last IP address of the range of IP addresses mapped by this translation entry.

cnatConfDynLocalPortFrom

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the first port number in the range of ports being mapped. If the translation specifies a sin ...

cnatConfDynLocalPortTo

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the last port number in the range of ports being mapped. If the translation specifies a sing ...

cnatConfDynGlobalAddrFrom

This object specifies the first IP address of the range of IP addresses being mapped to.

cnatConfDynGlobalAddrTo

This object specifies the last IP address of the range of IP addresses being mapped to.

cnatConfDynGlobalPortFrom

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the first port number in the range of ports being mapped to. If the translation specifies a ...

cnatConfDynGlobalPortTo

If this conceptual row describes a basic NAT, then the value of this object is '0'. If this conceptual row describes NAPT, then the value of this object specifies the last port number in the range of ports being mapped to. If the translation specifies a s ...

cnatConfDynProtocol

This object specifies a protocol identifier. If the value of this object is '0', then this basic NAT entry applies to all IP traffic. If the value of this object is non-zero, then this NAT entry only applies to IP traffic with the specified protocol.

cnatConfDynAddrMapStorageType

The storage type for this conceptual row.

cnatConfDynAddrMapStatus

The status of this conceptual row. To create a row in this table, a manager must set this object to either createAndGo(4) or createAndWait(5).

cnatInterfaceTable

This table holds information regarding the interface on which NAT is enabled.

cnatInterfaceEntry

Each entry in the NAT Interface Table holds information regarding an interface on which NAT is enabled.

cnatInterfaceIndex

The ifIndex of the interface on which NAT is enabled.

cnatInterfaceRealm

This object identifies whether this interface is connected to the private or the public realm.

cnatInterfaceStorageType

The storage type for this conceptual row.

cnatInterfaceStatus

Status of NAT on this interface. An active status indicates that NAT is enabled on this interface.

cnatAddrBindNumberOfEntries

This object maintains a count of the number of entries that currently exist in the cnatAddrBindTable.

cnatAddrBindTable

This table holds information about the currently active NAT BINDs.

cnatAddrBindEntry

Each entry in the NAT BIND table holds information about a NAT BIND that is currently active.

cnatAddrBindLocalAddr

This object represents the private-realm specific network layer address, which maps to the public-realm address represented by cnatAddrBindGlobalAddr.

cnatAddrBindGlobalAddr

This object represents the public-realm network layer address that maps to the private-realm network layer address represented by cnatAddrBindLocalAddr.

cnatAddrBindId

This object represents a BIND id that is dynamically assigned to each BIND by a NAT enabled device. Each BIND is represented by a unique BIND id across both, the Address bind and Address-Port bind tables.

cnatAddrBindDirection

This object represents the direction of the BIND. A BIND may be either uni-directional or bi-directional, same as the orientation of the address map, based on which this bind is formed. The direction of this bind is with reference to the private realm.

cnatAddrBindType

This object indicates whether the BIND is static or dynamic.

cnatAddrBindConfName

This object is a pointer to the cnatConfTable entry (and the parameters of that entry) which was used in creating this BIND.

cnatAddrBindSessionCount

Number of sessions currently using this BIND.

cnatAddrBindCurrentIdleTime

At any given instance of time, this object indicates the time that this BIND has been idle with no sessions attached to it. The value represented by this object is of relevance only when the value of Maximum Idle time (cnatConfMaxBindIdleTime) is non-zero ...

cnatAddrBindInTranslate

The number of inbound packets that were translated as per this BIND entry.

cnatAddrBindOutTranslate

The number of outbound packets that were translated as per this BIND entry.

cnatAddrPortBindNumberOfEntries

This object maintains a count of the number of entries that currently exist in the cnatAddrPortBindTable.

cnatAddrPortBindTable

This table holds information about the currently active NAPT BINDs.

cnatAddrPortBindEntry

Each entry in the this table holds information a NAPT BIND that is currently active.

cnatAddrPortBindLocalAddr

This object represents the private-realm specific network layer address which, in conjunction with cnatAddrPortBindLocalPort, maps to the public-realm network layer address and transport id represented by cnatAddrPortBindGlobalAddr and cnatAddrPortBindGlo ...

cnatAddrPortBindLocalPort

This object represents the private-realm specific port number (or query ID in case of ICMP messages) which, in conjunction with cnatAddrPortBindLocalAddr, maps to the public-realm network layer address and transport id represented by cnatAddrPortBindGloba ...

cnatAddrPortBindProtocol

This object specifies a protocol identifier. If the value of this object is '0', then this BIND entry applies to all IP traffic. If the value of this object is non-zero, then this NAT entry only applies to IP traffic with the specified protocol.

cnatAddrPortBindGlobalAddr

This object represents the public-realm specific network layer address that, in conjunction with cnatAddrPortBindGlobalPort, maps to the private-realm network layer address and transport id represented by cnatAddrPortBindLocalAddr and cnatAddrPortBindLoca ...

cnatAddrPortBindGlobalPort

This object represents the port number (or query id in case of ICMP) that, in conjunction with cnatAddrPortBindGlobalAddr, maps to the private-realm network layer address and transport id represented by cnatAddrPortBindLocalAddr and cnatAddrPortBindLocalP ...

cnatAddrPortBindId

This object represents a BIND id that is dynamically assigned to each BIND by a NAT enabled device. Each BIND is represented by a unique BIND id across both, the Address Bind and Address-Port Bind tables.

cnatAddrPortBindDirection

This object represents the direction of the BIND. A BIND may be either uni-directional or bi-directional, same as the orientation of the address map, based on which this bind is formed. The direction of this bind is with reference to the private realm.

cnatAddrPortBindType

This object indicates whether the BIND is static or dynamic.

cnatAddrPortBindConfName

This object is a pointer to the cnatConfTable entry (and the parameters of that entry) which was used in creating this BIND.

cnatAddrPortBindSessionCount

Number of sessions currently using this BIND.

cnatAddrPortBindCurrentIdleTime

At any given instance of time, this object indicates the time that this BIND has been idle with no sessions attached to it. The value represented by this object is of relevance only when the value of Maximum Idle time (cnatConfMaxBindIdleTime) is non-zero ...

cnatAddrPortBindInTranslate

The number of inbound packets that were translated as per this BIND entry.

cnatAddrPortBindOutTranslate

The number of outbound packets that were translated as per this BIND entry.

cnatSessionTable

The (conceptual) table containing one entry for each NAT session currently active on this NAT device.

cnatSessionEntry

An entry (conceptual row) containing information about an active NAT session on this NAT device.

cnatSessionBindId

This object represents a BIND id that is dynamically assigned to each BIND by a NAT enabled device. This bind id is that same as represented by the BindId objects in the Address bind and Address-Port bind tables.

cnatSessionId

The session ID for this NAT session.

cnatSessionDirection

The direction of this session with respect to the local network. 'inbound' indicates that this session was initiated from the public network into the private network. 'outbound' indicates that this session was initiated from the private network into the p ...

cnatSessionUpTime

The up time of this session in one-hundredths of a second.

cnatSessionProtocolType

The protocol type of this session. TCP and UDP sessions are uniquely identified by the tuple of (source IP address, source UDP/TCP port, destination IP address, destination TCP/UCP port). ICMP query sessions are identified by the tuple of (source IP addre ...

cnatSessionOrigPrivateAddr

The original IP address of the session endpoint that lies in the private network.

cnatSessionTransPrivateAddr

The translated IP address of the session endpoint that lies in the private network. The value of this object is equal to that of the original public IP Address (cnatSessionOrigPrivateAddr) when there is no translation.

cnatSessionOrigPrivatePort

The original transport port of the session endpoint that belongs to the private network. If this is an ICMP session then the value is the ICMP request ID.

cnatSessionTransPrivatePort

The translated transport port of the session that lies in the private network. The value of this object is equal to that of the original transport port (cnatSessionOrigPrivatePort) when there is no translation.

cnatSessionOrigPublicAddr

The original IP address of the session endpoint that lies in the public network.

cnatSessionTransPublicAddr

The translated IP address of the session endpoint that belongs to the public network. The value of this object is equal to that of the original public IP Address (cnatSessionOrigPublicAddr) when there is no translation.

cnatSessionOrigPublicPort

The original transport port of the session endpoint that belongs to the public network. If this is an ICMP session then the value contains the ICMP request ID.

cnatSessionTransPublicPort

The translated transport port of the session endpoint that belongs to the public network. The value of this object is equal to that of the original transport port (cnatSessionOrigPublicPort) when there is no translation.

cnatSessionCurrentIdletime

The time in one-hundredths of a second since a packet belonging to this session was last detected.

cnatSessionSecondBindId

The natBindId of the 'other' NAT binding incase of Twice NAT. An instance of this object contains a valid value only if the binding type for this session is TwiceNAT.

cnatSessionInTranslate

The number of inbound packets that were translated by this session.

cnatSessionOutTranslate

The number of outbound packets that were translated by this session.

cnatProtocolStatsTable

The (conceptual) table containing per protocol NAT statistics.

cnatProtocolStatsEntry

An entry (conceptual row) containing NAT statistics pertaining to a particular protocol.

cnatProtocolStatsName

This object represents the protocol pertaining to which statistics are reported.

cnatProtocolStatsInTranslate

The number of inbound packets, pertaining to the protocol identified by cnatProtocolStatsName, that underwent NAT.

cnatProtocolStatsOutTranslate

The number of outbound packets, pertaining to the protocol identified by cnatProtocolStatsName, that underwent NAT.

cnatProtocolStatsRejectCount

The number of packets, pertaining to the protocol identified by cnatProtocolStatsName, that had to be rejected/dropped due to lack of resources. These rejections could be due to session timeout, resource unavailability etc.

cnatAddrMapStatsTable

The (conceptual) table containing per address map NAT statistics.

cnatAddrMapStatsEntry

An entry (conceptual row) containing NAT statistics per address map.

cnatAddrMapStatsConfName

The name of the configuration (from the cnatConfTable), regarding which statistics are being reported. The configuration name along with Map name uniquely identifies an entry across both (static and dynamic) Address Map tables.

cnatAddrMapStatsMapName

The name of the Address Map (from the cnatConfStaticAddrMapTable/cnatConfDynAddrMapTable), regarding which statistics are being reported. The configuration name along with Map name uniquely identifies an entry across both (static and dynamic) Address Map ...

cnatAddrMapStatsInTranslate

The number of inbound packets, pertaining to this address map entry, that were translated.

cnatAddrMapStatsOutTranslate

The number of outbound packets, pertaining to this address map entry, that were translated.

cnatAddrMapStatsNoResource

The number of packets, pertaining to this address map entry, that were dropped due to lack of addresses in the address pool identified by this address map. The value of this object should always be zero in case of static address map.

cnatAddrMapStatsAddrUsed

The number of addresses, pertaining to this address map, that are currently being used from the nat pool. The value of this object is irrelevant if the address map in question is a static address map.

cnatInterfaceStatsTable

This table augments the cnatInterfaceTable and provides statistics information pertaining to the specified interface.

cnatInterfaceStatsEntry

Each entry of the cnatInterfaceStatsTable represents stats pertaining to one interface, which is identified by its ifIndex.

cnatInterfacePktsIn

Number of packets received on this interface that were translated.

cnatInterfacePktsOut

Number of translated packets that were sent out this interface.

cnatConfigGroup

A collection of configuration-related information required to support management of devices supporting NAT.

cnatBindGroup

A collection of BIND-related objects required to support management of devices supporting NAT.

cnatStatsGroup

A collection of NAT statistics related objects required to support troubleshooting/monitoring NAT operation.