NAT-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Integer32, Unsigned32, Gauge32, Counter64, TimeTicks, mib-2, NOTIFICATION-TYPE FROM SNMPv2-SMI TEXTUAL-CONVENTION, StorageType, RowStatus FROM SNMPv2-TC MODULE-COMPLIANCE, NOTIFICATION-GROUP, OBJECT-GROUP FROM SNMPv2-CONF ifIndex, ifCounterDiscontinuityGroup FROM IF-MIB SnmpAdminString FROM SNMP-FRAMEWORK-MIB InetAddressType, InetAddress, InetPortNumber FROM INET-ADDRESS-MIB; natMIB MODULE-IDENTITY LAST-UPDATED "200503210000Z" ORGANIZATION "IETF Transport Area" CONTACT-INFO " Rohit Mascon Global Limited #59/2 100 ft Ring Road Banashankari II Stage Bangalore 560 070 India Phone: +91 80 2679 6227 Email: [email protected] P. Srisuresh Caymas Systems, Inc. 1179-A North McDowell Blvd. Petaluma, CA 94954 Tel: (707) 283-5063 Email: [email protected] Rajiv Raghunarayan Cisco Systems Inc. 170 West Tasman Drive San Jose, CA 95134 Phone: +1 408 853 9612 Email: [email protected] Nalinaksh Pai Cisco Systems, Inc. Prestige Waterford No. 9, Brunton Road Bangalore - 560 025 India Phone: +91 80 532 1300 Email: [email protected] Cliff Wang Information Security Bank One Corp 1111 Polaris Pkwy Columbus, OH 43240 Phone: +1 614 213 6117 Email: [email protected] " DESCRIPTION "This MIB module defines the generic managed objects for NAT. Copyright (C) The Internet Society (2005). This version of this MIB module is part of RFC 4008; see the RFC itself for full legal notices." REVISION "200503210000Z" -- 21th March 2005 DESCRIPTION "Initial version, published as RFC 4008." ::= { mib-2 123 } natMIBObjects OBJECT IDENTIFIER ::= { natMIB 1 } NatProtocolType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A list of protocols that support the network address translation. Inclusion of the values is not intended to imply that those protocols need to be supported. Any change in this TEXTUAL-CONVENTION should also be reflected in the definition of NatProtocolMap, which is a BITS representation of this." SYNTAX INTEGER { none (1), -- not specified other (2), -- none of the following icmp (3), udp (4), tcp (5) } NatProtocolMap ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A bitmap of protocol identifiers that support the network address translation. Any change in this TEXTUAL-CONVENTION should also be reflected in the definition of NatProtocolType." SYNTAX BITS { other (0), icmp (1), udp (2), tcp (3) } NatAddrMapId ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "A unique id that is assigned to each address map by a NAT enabled device." SYNTAX Unsigned32 (1..4294967295) NatBindIdOrZero ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "A unique id that is assigned to each bind by a NAT enabled device. The bind id will be zero in the case of a Symmetric NAT." SYNTAX Unsigned32 (0..4294967295) NatBindId ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "A unique id that is assigned to each bind by a NAT enabled device." SYNTAX Unsigned32 (1..4294967295) NatSessionId ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "A unique id that is assigned to each session by a NAT enabled device." SYNTAX Unsigned32 (1..4294967295) NatBindMode ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication of whether the bind is an address bind or an address port bind." SYNTAX INTEGER { addressBind (1), addressPortBind (2) } NatAssociationType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication of whether the association is static or dynamic." SYNTAX INTEGER { static (1), dynamic (2) } NatTranslationEntity ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication of a) the direction of a session for which an address map entry, address bind or port bind is applicable, and b) the entity (source or destination) within the session that is subject to translation." SYNTAX BITS { inboundSrcEndPoint (0), outboundDstEndPoint(1), inboundDstEndPoint (2), outboundSrcEndPoint(3) } -- -- Default Values for the Bind and NAT Protocol Timers -- natDefTimeouts OBJECT IDENTIFIER ::= { natMIBObjects 1 } natNotifCtrl OBJECT IDENTIFIER ::= { natMIBObjects 2 } -- -- Address Bind and Port Bind related NAT configuration -- natBindDefIdleTimeout OBJECT-TYPE SYNTAX Unsigned32 (0..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default Bind (Address Bind or Port Bind) idle timeout parameter. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 0 } ::= { natDefTimeouts 1 } -- -- UDP related NAT configuration -- natUdpDefIdleTimeout OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default UDP idle timeout parameter. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 300 } ::= { natDefTimeouts 2 } -- -- ICMP related NAT configuration -- natIcmpDefIdleTimeout OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default ICMP idle timeout parameter. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 300 } ::= { natDefTimeouts 3 } -- -- Other protocol parameters -- natOtherDefIdleTimeout OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default idle timeout parameter for protocols represented by the value other (2) in NatProtocolType. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 60 } ::= { natDefTimeouts 4 } -- -- TCP related NAT Timers -- natTcpDefIdleTimeout OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default time interval that a NAT session for an established TCP connection is allowed to remain valid without any activity on the TCP connection. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 86400 } ::= { natDefTimeouts 5 } natTcpDefNegTimeout OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default time interval that a NAT session for a TCP connection that is not in the established state is allowed to remain valid without any activity on the TCP connection. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system." DEFVAL { 60 } ::= { natDefTimeouts 6 } natNotifThrottlingInterval OBJECT-TYPE SYNTAX Integer32 (0 | 5..3600) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "This object controls the generation of the natPacketDiscard notification. If this object has a value of zero, then no natPacketDiscard notifications will be transmitted by the agent. If this object has a non-zero value, then the agent must not generate more than one natPacketDiscard 'notification-event' in the indicated period, where a 'notification-event' is the generation of a single notification PDU type to a list of notification destinations. If additional NAT packets are discarded within the throttling period, then notification-events for these changes must be suppressed by the agent until the current throttling period expires. If natNotifThrottlingInterval notification generation is enabled, the suggested default throttling period is 60 seconds, but generation of the natPacketDiscard notification should be disabled by default. If the agent is capable of storing non-volatile configuration, then the value of this object must be restored after a re-initialization of the management system. The actual transmission of notifications is controlled via the MIB modules in RFC 3413." DEFVAL { 0 } ::= { natNotifCtrl 1 } -- -- The NAT Interface Table -- natInterfaceTable OBJECT-TYPE SYNTAX SEQUENCE OF NatInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table specifies the attributes for interfaces on a device supporting NAT function." ::= { natMIBObjects 3 } natInterfaceEntry OBJECT-TYPE SYNTAX NatInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the natInterfaceTable holds a set of parameters for an interface, instantiated by ifIndex. Therefore, the interface index must have been assigned, according to the applicable procedures, before it can be meaningfully used. Generally, this means that the interface must exist. When natStorageType is of type nonVolatile, however, this may reflect the configuration for an interface whose ifIndex has been assigned but for which the supporting implementation is not currently present." INDEX { ifIndex } ::= { natInterfaceTable 1 } NatInterfaceEntry ::= SEQUENCE { natInterfaceRealm INTEGER, natInterfaceServiceType BITS, natInterfaceInTranslates Counter64, natInterfaceOutTranslates Counter64, natInterfaceDiscards Counter64, natInterfaceStorageType StorageType, natInterfaceRowStatus RowStatus } natInterfaceRealm OBJECT-TYPE SYNTAX INTEGER { private (1), public (2) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object identifies whether this interface is connected to the private or the public realm." DEFVAL { public } ::= { natInterfaceEntry 1 } natInterfaceServiceType OBJECT-TYPE SYNTAX BITS { basicNat (0), napt (1), bidirectionalNat (2), twiceNat (3) } MAX-ACCESS read-create STATUS current DESCRIPTION "An indication of the direction in which new sessions are permitted and the extent of translation done within the IP and transport headers." ::= { natInterfaceEntry 2 } natInterfaceInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets received on this interface that were translated. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natInterfaceEntry 3 } natInterfaceOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of translated packets that were sent out this interface. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natInterfaceEntry 4 } natInterfaceDiscards OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets that had to be rejected/dropped due to a lack of resources for this interface. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natInterfaceEntry 5 } natInterfaceStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row." REFERENCE "Textual Conventions for SMIv2, Section 2." DEFVAL { nonVolatile } ::= { natInterfaceEntry 6 } natInterfaceRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Until instances of all corresponding columns are appropriately configured, the value of the corresponding instance of the natInterfaceRowStatus column is 'notReady'. In particular, a newly created row cannot be made active until the corresponding instance of natInterfaceServiceType has been set. None of the objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2." ::= { natInterfaceEntry 7 } -- -- The Address Map Table -- natAddrMapTable OBJECT-TYPE SYNTAX SEQUENCE OF NatAddrMapEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table lists address map parameters for NAT." ::= { natMIBObjects 4 } natAddrMapEntry OBJECT-TYPE SYNTAX NatAddrMapEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This entry represents an address map to be used for NAT and contributes to the dynamic and/or static address mapping tables of the NAT device." INDEX { ifIndex, natAddrMapIndex } ::= { natAddrMapTable 1 } NatAddrMapEntry ::= SEQUENCE { natAddrMapIndex NatAddrMapId, natAddrMapName SnmpAdminString, natAddrMapEntryType NatAssociationType, natAddrMapTranslationEntity NatTranslationEntity, natAddrMapLocalAddrType InetAddressType, natAddrMapLocalAddrFrom InetAddress, natAddrMapLocalAddrTo InetAddress, natAddrMapLocalPortFrom InetPortNumber, natAddrMapLocalPortTo InetPortNumber, natAddrMapGlobalAddrType InetAddressType, natAddrMapGlobalAddrFrom InetAddress, natAddrMapGlobalAddrTo InetAddress, natAddrMapGlobalPortFrom InetPortNumber, natAddrMapGlobalPortTo InetPortNumber, natAddrMapProtocol NatProtocolMap, natAddrMapInTranslates Counter64, natAddrMapOutTranslates Counter64, natAddrMapDiscards Counter64, natAddrMapAddrUsed Gauge32, natAddrMapStorageType StorageType, natAddrMapRowStatus RowStatus } natAddrMapIndex OBJECT-TYPE SYNTAX NatAddrMapId MAX-ACCESS not-accessible STATUS current DESCRIPTION "Along with ifIndex, this object uniquely identifies an entry in the natAddrMapTable. Address map entries are applied in the order specified by natAddrMapIndex." ::= { natAddrMapEntry 1 } natAddrMapName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..32)) MAX-ACCESS read-create STATUS current DESCRIPTION "Name identifying all map entries in the table associated with the same interface. All map entries with the same ifIndex MUST have the same map name." ::= { natAddrMapEntry 2 } natAddrMapEntryType OBJECT-TYPE SYNTAX NatAssociationType MAX-ACCESS read-create STATUS current DESCRIPTION "This parameter can be used to set up static or dynamic address maps." ::= { natAddrMapEntry 3 } natAddrMapTranslationEntity OBJECT-TYPE SYNTAX NatTranslationEntity MAX-ACCESS read-create STATUS current DESCRIPTION "The end-point entity (source or destination) in inbound or outbound sessions (i.e., first packets) that may be translated by an address map entry. Session direction (inbound or outbound) is derived from the direction of the first packet of a session traversing a NAT interface. NAT address (and Transport-ID) maps may be defined to effect inbound or outbound sessions. Traditionally, address maps for Basic NAT and NAPT are configured on a public interface for outbound sessions, effecting translation of source end-point. The value of this object must be set to outboundSrcEndPoint for those interfaces. Alternately, if address maps for Basic NAT and NAPT were to be configured on a private interface, the desired value for this object for the map entries would be inboundSrcEndPoint (i.e., effecting translation of source end-point for inbound sessions). If TwiceNAT were to be configured on a private interface, the desired value for this object for the map entries would be a bitmask of inboundSrcEndPoint and inboundDstEndPoint." ::= { natAddrMapEntry 4 } natAddrMapLocalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies the address type used for natAddrMapLocalAddrFrom and natAddrMapLocalAddrTo." ::= { natAddrMapEntry 5 } natAddrMapLocalAddrFrom OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies the first IP address of the range of IP addresses mapped by this translation entry. The value of this object must be less than or equal to the value of the natAddrMapLocalAddrTo object. The type of this address is determined by the value of the natAddrMapLocalAddrType object." ::= { natAddrMapEntry 6 } natAddrMapLocalAddrTo OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies the last IP address of the range of IP addresses mapped by this translation entry. If only a single address is being mapped, the value of this object is equal to the value of natAddrMapLocalAddrFrom. For a static NAT, the number of addresses in the range defined by natAddrMapLocalAddrFrom and natAddrMapLocalAddrTo must be equal to the number of addresses in the range defined by natAddrMapGlobalAddrFrom and natAddrMapGlobalAddrTo. The value of this object must be greater than or equal to the value of the natAddrMapLocalAddrFrom object. The type of this address is determined by the value of the natAddrMapLocalAddrType object." ::= { natAddrMapEntry 7 } natAddrMapLocalPortFrom OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "If this conceptual row describes a Basic NAT address mapping, then the value of this object must be zero. If this conceptual row describes NAPT, then the value of this object specifies the first port number in the range of ports being mapped. The value of this object must be less than or equal to the value of the natAddrMapLocalPortTo object. If the translation specifies a single port, then the value of this object is equal to the value of natAddrMapLocalPortTo." DEFVAL { 0 } ::= { natAddrMapEntry 8 } natAddrMapLocalPortTo OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "If this conceptual row describes a Basic NAT address mapping, then the value of this object must be zero. If this conceptual row describes NAPT, then the value of this object specifies the last port number in the range of ports being mapped. The value of this object must be greater than or equal to the value of the natAddrMapLocalPortFrom object. If the translation specifies a single port, then the value of this object is equal to the value of natAddrMapLocalPortFrom." DEFVAL { 0 } ::= { natAddrMapEntry 9 } natAddrMapGlobalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies the address type used for natAddrMapGlobalAddrFrom and natAddrMapGlobalAddrTo." ::= { natAddrMapEntry 10 } natAddrMapGlobalAddrFrom OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies the first IP address of the range of IP addresses being mapped to. The value of this object must be less than or equal to the value of the natAddrMapGlobalAddrTo object. The type of this address is determined by the value of the natAddrMapGlobalAddrType object." ::= { natAddrMapEntry 11 } natAddrMapGlobalAddrTo OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "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 natAddrMapGlobalAddrFrom. For a static NAT, the number of addresses in the range defined by natAddrMapGlobalAddrFrom and natAddrMapGlobalAddrTo must be equal to the number of addresses in the range defined by natAddrMapLocalAddrFrom and natAddrMapLocalAddrTo. The value of this object must be greater than or equal to the value of the natAddrMapGlobalAddrFrom object. The type of this address is determined by the value of the natAddrMapGlobalAddrType object." ::= { natAddrMapEntry 12 } natAddrMapGlobalPortFrom OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "If this conceptual row describes a Basic NAT address mapping, then the value of this object must be zero. 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. The value of this object must be less than or equal to the value of the natAddrMapGlobalPortTo object. If the translation specifies a single port, then the value of this object is equal to the value natAddrMapGlobalPortTo." DEFVAL { 0 } ::= { natAddrMapEntry 13 } natAddrMapGlobalPortTo OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "If this conceptual row describes a Basic NAT address mapping, then the value of this object must be zero. 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. The value of this object must be greater than or equal to the value of the natAddrMapGlobalPortFrom object. If the translation specifies a single port, then the value of this object is equal to the value of natAddrMapGlobalPortFrom." DEFVAL { 0 } ::= { natAddrMapEntry 14 } natAddrMapProtocol OBJECT-TYPE SYNTAX NatProtocolMap MAX-ACCESS read-create STATUS current DESCRIPTION "This object specifies a bitmap of protocol identifiers." ::= { natAddrMapEntry 15 } natAddrMapInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of inbound packets pertaining to this address map entry that were translated. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrMapEntry 16 } natAddrMapOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outbound packets pertaining to this address map entry that were translated. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrMapEntry 17 } natAddrMapDiscards OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "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 must always be zero in case of static address map. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrMapEntry 18 } natAddrMapAddrUsed OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of addresses pertaining to this address map that are currently being used from the NAT pool. The value of this object must always be zero in the case of a static address map." ::= { natAddrMapEntry 19 } natAddrMapStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row." REFERENCE "Textual Conventions for SMIv2, Section 2." DEFVAL { nonVolatile } ::= { natAddrMapEntry 20 } natAddrMapRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Until instances of all corresponding columns are appropriately configured, the value of the corresponding instance of the natAddrMapRowStatus column is 'notReady'. None of the objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2." ::= { natAddrMapEntry 21 } -- -- Address Bind section -- natAddrBindNumberOfEntries OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object maintains a count of the number of entries that currently exist in the natAddrBindTable." ::= { natMIBObjects 5 } -- -- The NAT Address BIND Table -- natAddrBindTable OBJECT-TYPE SYNTAX SEQUENCE OF NatAddrBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table holds information about the currently active NAT BINDs." ::= { natMIBObjects 6 } natAddrBindEntry OBJECT-TYPE SYNTAX NatAddrBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in this table holds information about an active address BIND. These entries are lost upon agent restart. This row has indexing which may create variables with more than 128 subidentifiers. Implementers of this table must be careful not to create entries that would result in OIDs which exceed the 128 subidentifier limit. Otherwise, the information cannot be accessed using SNMPv1, SNMPv2c or SNMPv3." INDEX { ifIndex, natAddrBindLocalAddrType, natAddrBindLocalAddr } ::= { natAddrBindTable 1 } NatAddrBindEntry ::= SEQUENCE { natAddrBindLocalAddrType InetAddressType, natAddrBindLocalAddr InetAddress, natAddrBindGlobalAddrType InetAddressType, natAddrBindGlobalAddr InetAddress, natAddrBindId NatBindId, natAddrBindTranslationEntity NatTranslationEntity, natAddrBindType NatAssociationType, natAddrBindMapIndex NatAddrMapId, natAddrBindSessions Gauge32, natAddrBindMaxIdleTime TimeTicks, natAddrBindCurrentIdleTime TimeTicks, natAddrBindInTranslates Counter64, natAddrBindOutTranslates Counter64 } natAddrBindLocalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object specifies the address type used for natAddrBindLocalAddr." ::= { natAddrBindEntry 1 } natAddrBindLocalAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object represents the private-realm specific network layer address, which maps to the public-realm address represented by natAddrBindGlobalAddr. The type of this address is determined by the value of the natAddrBindLocalAddrType object." ::= { natAddrBindEntry 2 } natAddrBindGlobalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-only STATUS current DESCRIPTION "This object specifies the address type used for natAddrBindGlobalAddr." ::= { natAddrBindEntry 3 } natAddrBindGlobalAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "This object represents the public-realm network layer address that maps to the private-realm network layer address represented by natAddrBindLocalAddr. The type of this address is determined by the value of the natAddrBindGlobalAddrType object." ::= { natAddrBindEntry 4 } natAddrBindId OBJECT-TYPE SYNTAX NatBindId MAX-ACCESS read-only STATUS current DESCRIPTION "This object represents a bind id that is dynamically assigned to each bind by a NAT enabled device. Each bind is represented by a bind id that is unique across both, the natAddrBindTable and the natAddrPortBindTable." ::= { natAddrBindEntry 5 } natAddrBindTranslationEntity OBJECT-TYPE SYNTAX NatTranslationEntity MAX-ACCESS read-only STATUS current DESCRIPTION "This object represents the direction of sessions for which this bind is applicable and the endpoint entity (source or destination) within the sessions that is subject to translation using the BIND. Orientation of the bind can be a superset of translationEntity of the address map entry which forms the basis for this bind. For example, if the translationEntity of an address map entry is outboundSrcEndPoint, the translationEntity of a bind derived from this map entry may either be outboundSrcEndPoint or it may be bidirectional (a bitmask of outboundSrcEndPoint and inboundDstEndPoint)." ::= { natAddrBindEntry 6 } natAddrBindType OBJECT-TYPE SYNTAX NatAssociationType MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates whether the bind is static or dynamic." ::= { natAddrBindEntry 7 } natAddrBindMapIndex OBJECT-TYPE SYNTAX NatAddrMapId MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a pointer to the natAddrMapTable entry (and the parameters of that entry) which was used in creating this BIND. This object, in conjunction with the ifIndex (which identifies a unique addrMapName) points to a unique entry in the natAddrMapTable." ::= { natAddrBindEntry 8 } natAddrBindSessions OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of sessions currently using this BIND." ::= { natAddrBindEntry 9 } natAddrBindMaxIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates the maximum time for which this bind can be idle with no sessions attached to it. The value of this object is of relevance only for dynamic NAT." ::= { natAddrBindEntry 10 } natAddrBindCurrentIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "At any given instance, this object indicates the time that this bind has been idle without any sessions attached to it. The value of this object is of relevance only for dynamic NAT." ::= { natAddrBindEntry 11 } natAddrBindInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of inbound packets that were successfully translated by using this bind entry. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrBindEntry 12 } natAddrBindOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outbound packets that were successfully translated using this bind entry. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrBindEntry 13 } -- -- Address Port Bind section -- natAddrPortBindNumberOfEntries OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object maintains a count of the number of entries that currently exist in the natAddrPortBindTable." ::= { natMIBObjects 7 } -- -- The NAT Address Port Bind Table -- natAddrPortBindTable OBJECT-TYPE SYNTAX SEQUENCE OF NatAddrPortBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table holds information about the currently active NAPT BINDs." ::= { natMIBObjects 8 } natAddrPortBindEntry OBJECT-TYPE SYNTAX NatAddrPortBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the this table holds information about a NAPT bind that is currently active. These entries are lost upon agent restart. This row has indexing which may create variables with more than 128 subidentifiers. Implementers of this table must be careful not to create entries which would result in OIDs that exceed the 128 subidentifier limit. Otherwise, the information cannot be accessed using SNMPv1, SNMPv2c or SNMPv3." INDEX { ifIndex, natAddrPortBindLocalAddrType, natAddrPortBindLocalAddr, natAddrPortBindLocalPort, natAddrPortBindProtocol } ::= { natAddrPortBindTable 1 } NatAddrPortBindEntry ::= SEQUENCE { natAddrPortBindLocalAddrType InetAddressType, natAddrPortBindLocalAddr InetAddress, natAddrPortBindLocalPort InetPortNumber, natAddrPortBindProtocol NatProtocolType, natAddrPortBindGlobalAddrType InetAddressType, natAddrPortBindGlobalAddr InetAddress, natAddrPortBindGlobalPort InetPortNumber, natAddrPortBindId NatBindId, natAddrPortBindTranslationEntity NatTranslationEntity, natAddrPortBindType NatAssociationType, natAddrPortBindMapIndex NatAddrMapId, natAddrPortBindSessions Gauge32, natAddrPortBindMaxIdleTime TimeTicks, natAddrPortBindCurrentIdleTime TimeTicks, natAddrPortBindInTranslates Counter64, natAddrPortBindOutTranslates Counter64 } natAddrPortBindLocalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object specifies the address type used for natAddrPortBindLocalAddr." ::= { natAddrPortBindEntry 1 } natAddrPortBindLocalAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object represents the private-realm specific network layer address which, in conjunction with natAddrPortBindLocalPort, maps to the public-realm network layer address and transport id represented by natAddrPortBindGlobalAddr and natAddrPortBindGlobalPort respectively. The type of this address is determined by the value of the natAddrPortBindLocalAddrType object." ::= { natAddrPortBindEntry 2 } natAddrPortBindLocalPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS not-accessible STATUS current DESCRIPTION "For a protocol value TCP or UDP, this object represents the private-realm specific port number. On the other hand, for ICMP a bind is created only for query/response type ICMP messages such as ICMP echo, Timestamp, and Information request messages, and this object represents the private-realm specific identifier in the ICMP message, as defined in RFC 792 for ICMPv4 and in RFC 2463 for ICMPv6. This object, together with natAddrPortBindProtocol, natAddrPortBindLocalAddrType, and natAddrPortBindLocalAddr, constitutes a session endpoint in the private realm. A bind entry binds a private realm specific endpoint to a public realm specific endpoint, as represented by the tuple of (natAddrPortBindGlobalPort, natAddrPortBindProtocol, natAddrPortBindGlobalAddrType, and natAddrPortBindGlobalAddr)." ::= { natAddrPortBindEntry 3 } natAddrPortBindProtocol OBJECT-TYPE SYNTAX NatProtocolType MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object specifies a protocol identifier. If the value of this object is none(1), then this bind entry applies to all IP traffic. Any other value of this object specifies the class of IP traffic to which this BIND applies." ::= { natAddrPortBindEntry 4 } natAddrPortBindGlobalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-only STATUS current DESCRIPTION "This object specifies the address type used for natAddrPortBindGlobalAddr." ::= { natAddrPortBindEntry 5 } natAddrPortBindGlobalAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "This object represents the public-realm specific network layer address that, in conjunction with natAddrPortBindGlobalPort, maps to the private-realm network layer address and transport id represented by natAddrPortBindLocalAddr and natAddrPortBindLocalPort, respectively. The type of this address is determined by the value of the natAddrPortBindGlobalAddrType object." ::= { natAddrPortBindEntry 6 } natAddrPortBindGlobalPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-only STATUS current DESCRIPTION "For a protocol value TCP or UDP, this object represents the public-realm specific port number. On the other hand, for ICMP a bind is created only for query/response type ICMP messages such as ICMP echo, Timestamp, and Information request messages, and this object represents the public-realm specific identifier in the ICMP message, as defined in RFC 792 for ICMPv4 and in RFC 2463 for ICMPv6. This object, together with natAddrPortBindProtocol, natAddrPortBindGlobalAddrType, and natAddrPortBindGlobalAddr, constitutes a session endpoint in the public realm. A bind entry binds a public realm specific endpoint to a private realm specific endpoint, as represented by the tuple of (natAddrPortBindLocalPort, natAddrPortBindProtocol, natAddrPortBindLocalAddrType, and natAddrPortBindLocalAddr)." ::= { natAddrPortBindEntry 7 } natAddrPortBindId OBJECT-TYPE SYNTAX NatBindId MAX-ACCESS read-only STATUS current DESCRIPTION "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 natAddrBindTable and the natAddrPortBindTable." ::= { natAddrPortBindEntry 8 } natAddrPortBindTranslationEntity OBJECT-TYPE SYNTAX NatTranslationEntity MAX-ACCESS read-only STATUS current DESCRIPTION "This object represents the direction of sessions for which this bind is applicable and the entity (source or destination) within the sessions that is subject to translation with the BIND. Orientation of the bind can be a superset of the translationEntity of the address map entry that forms the basis for this bind. For example, if the translationEntity of an address map entry is outboundSrcEndPoint, the translationEntity of a bind derived from this map entry may either be outboundSrcEndPoint or may be bidirectional (a bitmask of outboundSrcEndPoint and inboundDstEndPoint)." ::= { natAddrPortBindEntry 9 } natAddrPortBindType OBJECT-TYPE SYNTAX NatAssociationType MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates whether the bind is static or dynamic." ::= { natAddrPortBindEntry 10 } natAddrPortBindMapIndex OBJECT-TYPE SYNTAX NatAddrMapId MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a pointer to the natAddrMapTable entry (and the parameters of that entry) used in creating this BIND. This object, in conjunction with the ifIndex (which identifies a unique addrMapName), points to a unique entry in the natAddrMapTable." ::= { natAddrPortBindEntry 11 } natAddrPortBindSessions OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of sessions currently using this BIND." ::= { natAddrPortBindEntry 12 } natAddrPortBindMaxIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates the maximum time for which this bind can be idle without any sessions attached to it. The value of this object is of relevance only for dynamic NAT." ::= { natAddrPortBindEntry 13 } natAddrPortBindCurrentIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "At any given instance, this object indicates the time that this bind has been idle without any sessions attached to it. The value of this object is of relevance only for dynamic NAT." ::= { natAddrPortBindEntry 14 } natAddrPortBindInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of inbound packets that were translated as per this bind entry. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrPortBindEntry 15 } natAddrPortBindOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outbound packets that were translated as per this bind entry. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natAddrPortBindEntry 16 } -- -- The Session Table -- natSessionTable OBJECT-TYPE SYNTAX SEQUENCE OF NatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table containing one entry for each NAT session currently active on this NAT device." ::= { natMIBObjects 9 } natSessionEntry OBJECT-TYPE SYNTAX NatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) containing information about an active NAT session on this NAT device. These entries are lost upon agent restart." INDEX { ifIndex, natSessionIndex } ::= { natSessionTable 1 } NatSessionEntry ::= SEQUENCE { natSessionIndex NatSessionId, natSessionPrivateSrcEPBindId NatBindIdOrZero, natSessionPrivateSrcEPBindMode NatBindMode, natSessionPrivateDstEPBindId NatBindIdOrZero, natSessionPrivateDstEPBindMode NatBindMode, natSessionDirection INTEGER, natSessionUpTime TimeTicks, natSessionAddrMapIndex NatAddrMapId, natSessionProtocolType NatProtocolType, natSessionPrivateAddrType InetAddressType, natSessionPrivateSrcAddr InetAddress, natSessionPrivateSrcPort InetPortNumber, natSessionPrivateDstAddr InetAddress, natSessionPrivateDstPort InetPortNumber, natSessionPublicAddrType InetAddressType, natSessionPublicSrcAddr InetAddress, natSessionPublicSrcPort InetPortNumber, natSessionPublicDstAddr InetAddress, natSessionPublicDstPort InetPortNumber, natSessionMaxIdleTime TimeTicks, natSessionCurrentIdleTime TimeTicks, natSessionInTranslates Counter64, natSessionOutTranslates Counter64 } natSessionIndex OBJECT-TYPE SYNTAX NatSessionId MAX-ACCESS not-accessible STATUS current DESCRIPTION "The session ID for this NAT session." ::= { natSessionEntry 1 } natSessionPrivateSrcEPBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-only STATUS current DESCRIPTION "The bind id associated between private and public source end points. In the case of Symmetric-NAT, this should be set to zero." ::= { natSessionEntry 2 } natSessionPrivateSrcEPBindMode OBJECT-TYPE SYNTAX NatBindMode MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates whether the bind indicated by the object natSessionPrivateSrcEPBindId is an address bind or an address port bind." ::= { natSessionEntry 3 } natSessionPrivateDstEPBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-only STATUS current DESCRIPTION "The bind id associated between private and public destination end points." ::= { natSessionEntry 4 } natSessionPrivateDstEPBindMode OBJECT-TYPE SYNTAX NatBindMode MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates whether the bind indicated by the object natSessionPrivateDstEPBindId is an address bind or an address port bind." ::= { natSessionEntry 5 } natSessionDirection OBJECT-TYPE SYNTAX INTEGER { inbound (1), outbound (2) } MAX-ACCESS read-only STATUS current DESCRIPTION "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 public network." ::= { natSessionEntry 6 } natSessionUpTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The up time of this session in one-hundredths of a second." ::= { natSessionEntry 7 } natSessionAddrMapIndex OBJECT-TYPE SYNTAX NatAddrMapId MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a pointer to the natAddrMapTable entry (and the parameters of that entry) used in creating this session. This object, in conjunction with the ifIndex (which identifies a unique addrMapName), points to a unique entry in the natAddrMapTable." ::= { natSessionEntry 8 } natSessionProtocolType OBJECT-TYPE SYNTAX NatProtocolType MAX-ACCESS read-only STATUS current DESCRIPTION "The protocol type of this session." ::= { natSessionEntry 9 } natSessionPrivateAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-only STATUS current DESCRIPTION "This object specifies the address type used for natSessionPrivateSrcAddr and natSessionPrivateDstAddr." ::= { natSessionEntry 10 } natSessionPrivateSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The source IP address of the session endpoint that lies in the private network. The value of this object must be zero only when the natSessionPrivateSrcEPBindId object has a zero value. When the value of this object is zero, the NAT session lookup will match any IP address to this field. The type of this address is determined by the value of the natSessionPrivateAddrType object." ::= { natSessionEntry 11 } natSessionPrivateSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-only STATUS current DESCRIPTION "When the value of protocol is TCP or UDP, this object represents the source port in the first packet of session while in private-realm. On the other hand, when the protocol is ICMP, a NAT session is created only for query/response type ICMP messages such as ICMP echo, Timestamp, and Information request messages, and this object represents the private-realm specific identifier in the ICMP message, as defined in RFC 792 for ICMPv4 and in RFC 2463 for ICMPv6. The value of this object must be zero when the natSessionPrivateSrcEPBindId object has zero value and value of natSessionPrivateSrcEPBindMode is addressPortBind(2). In such a case, the NAT session lookup will match any port number to this field. The value of this object must be zero when the object is not a representative field (SrcPort, DstPort, or ICMP identifier) of the session tuple in either the public realm or the private realm." ::= { natSessionEntry 12 } natSessionPrivateDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The destination IP address of the session endpoint that lies in the private network. The value of this object must be zero when the natSessionPrivateDstEPBindId object has a zero value. In such a scenario, the NAT session lookup will match any IP address to this field. The type of this address is determined by the value of the natSessionPrivateAddrType object." ::= { natSessionEntry 13 } natSessionPrivateDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-only STATUS current DESCRIPTION "When the value of protocol is TCP or UDP, this object represents the destination port in the first packet of session while in private-realm. On the other hand, when the protocol is ICMP, this object is not relevant and should be set to zero. The value of this object must be zero when the natSessionPrivateDstEPBindId object has a zero value and natSessionPrivateDstEPBindMode is set to addressPortBind(2). In such a case, the NAT session lookup will match any port number to this field. The value of this object must be zero when the object is not a representative field (SrcPort, DstPort, or ICMP identifier) of the session tuple in either the public realm or the private realm." ::= { natSessionEntry 14 } natSessionPublicAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-only STATUS current DESCRIPTION "This object specifies the address type used for natSessionPublicSrcAddr and natSessionPublicDstAddr." ::= { natSessionEntry 15 } natSessionPublicSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The source IP address of the session endpoint that lies in the public network. The value of this object must be zero when the natSessionPrivateSrcEPBindId object has a zero value. In such a scenario, the NAT session lookup will match any IP address to this field. The type of this address is determined by the value of the natSessionPublicAddrType object." ::= { natSessionEntry 16 } natSessionPublicSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-only STATUS current DESCRIPTION "When the value of protocol is TCP or UDP, this object represents the source port in the first packet of session while in public-realm. On the other hand, when protocol is ICMP, a NAT session is created only for query/response type ICMP messages such as ICMP echo, Timestamp, and Information request messages, and this object represents the public-realm specific identifier in the ICMP message, as defined in RFC 792 for ICMPv4 and in RFC 2463 for ICMPv6. The value of this object must be zero when the natSessionPrivateSrcEPBindId object has a zero value and natSessionPrivateSrcEPBindMode is set to addressPortBind(2). In such a scenario, the NAT session lookup will match any port number to this field. The value of this object must be zero when the object is not a representative field (SrcPort, DstPort or ICMP identifier) of the session tuple in either the public realm or the private realm." ::= { natSessionEntry 17 } natSessionPublicDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The destination IP address of the session endpoint that lies in the public network. The value of this object must be non-zero when the natSessionPrivateDstEPBindId object has a non-zero value. If the value of this object and the corresponding natSessionPrivateDstEPBindId object value is zero, then the NAT session lookup will match any IP address to this field. The type of this address is determined by the value of the natSessionPublicAddrType object." ::= { natSessionEntry 18 } natSessionPublicDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-only STATUS current DESCRIPTION "When the value of protocol is TCP or UDP, this object represents the destination port in the first packet of session while in public-realm. On the other hand, when the protocol is ICMP, this object is not relevant for translation and should be zero. The value of this object must be zero when the natSessionPrivateDstEPBindId object has a zero value and natSessionPrivateDstEPBindMode is addressPortBind(2). In such a scenario, the NAT session lookup will match any port number to this field. The value of this object must be zero when the object is not a representative field (SrcPort, DstPort, or ICMP identifier) of the session tuple in either the public realm or the private realm." ::= { natSessionEntry 19 } natSessionMaxIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The max time for which this session can be idle without detecting a packet." ::= { natSessionEntry 20 } natSessionCurrentIdleTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time since a packet belonging to this session was last detected." ::= { natSessionEntry 21 } natSessionInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of inbound packets that were translated for this session. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natSessionEntry 22 } natSessionOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outbound packets that were translated for this session. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natSessionEntry 23 } -- -- The Protocol table -- natProtocolTable OBJECT-TYPE SYNTAX SEQUENCE OF NatProtocolEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table containing per protocol NAT statistics." ::= { natMIBObjects 10 } natProtocolEntry OBJECT-TYPE SYNTAX NatProtocolEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) containing NAT statistics pertaining to a particular protocol." INDEX { natProtocol } ::= { natProtocolTable 1 } NatProtocolEntry ::= SEQUENCE { natProtocol NatProtocolType, natProtocolInTranslates Counter64, natProtocolOutTranslates Counter64, natProtocolDiscards Counter64 } natProtocol OBJECT-TYPE SYNTAX NatProtocolType MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object represents the protocol pertaining to which parameters are reported." ::= { natProtocolEntry 1 } natProtocolInTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of inbound packets pertaining to the protocol identified by natProtocol that underwent NAT. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natProtocolEntry 2 } natProtocolOutTranslates OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outbound packets pertaining to the protocol identified by natProtocol that underwent NAT. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natProtocolEntry 3 } natProtocolDiscards OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets pertaining to the protocol identified by natProtocol that had to be rejected/dropped due to lack of resources. These rejections could be due to session timeout, resource unavailability, lack of address space, etc. Discontinuities in the value of this counter can occur at reinitialization of the management system and at other times, as indicated by the value of ifCounterDiscontinuityTime on the relevant interface." ::= { natProtocolEntry 4 } -- -- Notifications section -- natMIBNotifications OBJECT IDENTIFIER ::= { natMIB 0 } -- -- Notifications -- natPacketDiscard NOTIFICATION-TYPE OBJECTS { ifIndex } STATUS current DESCRIPTION "This notification is generated when IP packets are discarded by the NAT function; e.g., due to lack of mapping space when NAT is out of addresses or ports. Note that the generation of natPacketDiscard notifications is throttled by the agent, as specified by the 'natNotifThrottlingInterval' object." ::= { natMIBNotifications 1 } -- -- Conformance information. -- natMIBConformance OBJECT IDENTIFIER ::= { natMIB 2 } natMIBGroups OBJECT IDENTIFIER ::= { natMIBConformance 1 } natMIBCompliances OBJECT IDENTIFIER ::= { natMIBConformance 2 } -- -- Units of conformance -- natConfigGroup OBJECT-GROUP OBJECTS { natInterfaceRealm, natInterfaceServiceType, natInterfaceStorageType, natInterfaceRowStatus, natAddrMapName, natAddrMapEntryType, natAddrMapTranslationEntity, natAddrMapLocalAddrType, natAddrMapLocalAddrFrom, natAddrMapLocalAddrTo, natAddrMapLocalPortFrom, natAddrMapLocalPortTo, natAddrMapGlobalAddrType, natAddrMapGlobalAddrFrom, natAddrMapGlobalAddrTo, natAddrMapGlobalPortFrom, natAddrMapGlobalPortTo, natAddrMapProtocol, natAddrMapStorageType, natAddrMapRowStatus, natBindDefIdleTimeout, natUdpDefIdleTimeout, natIcmpDefIdleTimeout, natOtherDefIdleTimeout, natTcpDefIdleTimeout, natTcpDefNegTimeout, natNotifThrottlingInterval } STATUS current DESCRIPTION "A collection of configuration-related information required to support management of devices supporting NAT." ::= { natMIBGroups 1 } natTranslationGroup OBJECT-GROUP OBJECTS { natAddrBindNumberOfEntries, natAddrBindGlobalAddrType, natAddrBindGlobalAddr, natAddrBindId, natAddrBindTranslationEntity, natAddrBindType, natAddrBindMapIndex, natAddrBindSessions, natAddrBindMaxIdleTime, natAddrBindCurrentIdleTime, natAddrBindInTranslates, natAddrBindOutTranslates, natAddrPortBindNumberOfEntries, natAddrPortBindGlobalAddrType, natAddrPortBindGlobalAddr, natAddrPortBindGlobalPort, natAddrPortBindId, natAddrPortBindTranslationEntity, natAddrPortBindType, natAddrPortBindMapIndex, natAddrPortBindSessions, natAddrPortBindMaxIdleTime, natAddrPortBindCurrentIdleTime, natAddrPortBindInTranslates, natAddrPortBindOutTranslates, natSessionPrivateSrcEPBindId, natSessionPrivateSrcEPBindMode, natSessionPrivateDstEPBindId, natSessionPrivateDstEPBindMode, natSessionDirection, natSessionUpTime, natSessionAddrMapIndex, natSessionProtocolType, natSessionPrivateAddrType, natSessionPrivateSrcAddr, natSessionPrivateSrcPort, natSessionPrivateDstAddr, natSessionPrivateDstPort, natSessionPublicAddrType, natSessionPublicSrcAddr, natSessionPublicSrcPort, natSessionPublicDstAddr, natSessionPublicDstPort, natSessionMaxIdleTime, natSessionCurrentIdleTime, natSessionInTranslates, natSessionOutTranslates } STATUS current DESCRIPTION "A collection of BIND-related objects required to support management of devices supporting NAT." ::= { natMIBGroups 2 } natStatsInterfaceGroup OBJECT-GROUP OBJECTS { natInterfaceInTranslates, natInterfaceOutTranslates, natInterfaceDiscards } STATUS current DESCRIPTION "A collection of NAT statistics associated with the interface on which NAT is configured, to aid troubleshooting/monitoring of the NAT operation." ::= { natMIBGroups 3 } natStatsProtocolGroup OBJECT-GROUP OBJECTS { natProtocolInTranslates, natProtocolOutTranslates, natProtocolDiscards } STATUS current DESCRIPTION "A collection of protocol specific NAT statistics, to aid troubleshooting/monitoring of NAT operation." ::= { natMIBGroups 4 } natStatsAddrMapGroup OBJECT-GROUP OBJECTS { natAddrMapInTranslates, natAddrMapOutTranslates, natAddrMapDiscards, natAddrMapAddrUsed } STATUS current DESCRIPTION "A collection of address map specific NAT statistics, to aid troubleshooting/monitoring of NAT operation." ::= { natMIBGroups 5 } natMIBNotificationGroup NOTIFICATION-GROUP NOTIFICATIONS { natPacketDiscard } STATUS current DESCRIPTION "A collection of notifications generated by devices supporting this MIB." ::= { natMIBGroups 6 } -- -- Compliance statements -- natMIBFullCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "When this MIB is implemented with support for read-create, then such an implementation can claim full compliance. Such devices can then be both monitored and configured with this MIB. The following index objects cannot be added as OBJECT clauses but nevertheless have the compliance requirements: " -- OBJECT natAddrBindLocalAddrType -- SYNTAX InetAddressType { ipv4(1), ipv6(2) } -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrBindLocalAddr -- SYNTAX InetAddress (SIZE(4|16)) -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrPortBindLocalAddrType -- SYNTAX InetAddressType { ipv4(1), ipv6(2) } -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrPortBindLocalAddr -- SYNTAX InetAddress (SIZE(4|16)) -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." MODULE IF-MIB -- The interfaces MIB, RFC2863 MANDATORY-GROUPS { ifCounterDiscontinuityGroup } MODULE -- this module MANDATORY-GROUPS { natConfigGroup, natTranslationGroup, natStatsInterfaceGroup } GROUP natStatsProtocolGroup DESCRIPTION "This group is optional." GROUP natStatsAddrMapGroup DESCRIPTION "This group is optional." GROUP natMIBNotificationGroup DESCRIPTION "This group is optional." OBJECT natAddrMapLocalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapLocalAddrFrom SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapLocalAddrTo SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrFrom SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrTo SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrBindGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrBindGlobalAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrPortBindGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrPortBindGlobalAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateSrcAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateDstAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicSrcAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicDstAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." ::= { natMIBCompliances 1 } natMIBReadOnlyCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "When this MIB is implemented without support for read-create (i.e., in read-only mode), then such an implementation can claim read-only compliance. Such a device can then be monitored but cannot be configured with this MIB. The following index objects cannot be added as OBJECT clauses but nevertheless have the compliance requirements: " -- OBJECT natAddrBindLocalAddrType -- SYNTAX InetAddressType { ipv4(1), ipv6(2) } -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrBindLocalAddr -- SYNTAX InetAddress (SIZE(4|16)) -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrPortBindLocalAddrType -- SYNTAX InetAddressType { ipv4(1), ipv6(2) } -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." -- OBJECT natAddrPortBindLocalAddr -- SYNTAX InetAddress (SIZE(4|16)) -- DESCRIPTION -- "An implementation is required to support -- global IPv4 and/or IPv6 addresses, depending -- on its support for IPv4 and IPv6." MODULE IF-MIB -- The interfaces MIB, RFC2863 MANDATORY-GROUPS { ifCounterDiscontinuityGroup } MODULE -- this module MANDATORY-GROUPS { natConfigGroup, natTranslationGroup, natStatsInterfaceGroup } GROUP natStatsProtocolGroup DESCRIPTION "This group is optional." GROUP natStatsAddrMapGroup DESCRIPTION "This group is optional." GROUP natMIBNotificationGroup DESCRIPTION "This group is optional." OBJECT natInterfaceRowStatus SYNTAX RowStatus { active(1) } MIN-ACCESS read-only DESCRIPTION "Write access is not required, and active is the only status that needs to be supported." OBJECT natAddrMapLocalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapLocalAddrFrom SYNTAX InetAddress (SIZE(4|16)) MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapLocalAddrTo SYNTAX InetAddress (SIZE(4|16)) MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrFrom SYNTAX InetAddress (SIZE(4|16)) MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapGlobalAddrTo SYNTAX InetAddress (SIZE(4|16)) MIN-ACCESS read-only DESCRIPTION "Write access is not required. An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrMapRowStatus SYNTAX RowStatus { active(1) } MIN-ACCESS read-only DESCRIPTION "Write access is not required, and active is the only status that needs to be supported." OBJECT natAddrBindGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrBindGlobalAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrPortBindGlobalAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natAddrPortBindGlobalAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateSrcAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPrivateDstAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicAddrType SYNTAX InetAddressType { ipv4(1), ipv6(2) } DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicSrcAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." OBJECT natSessionPublicDstAddr SYNTAX InetAddress (SIZE(4|16)) DESCRIPTION "An implementation is required to support global IPv4 and/or IPv6 addresses, depending on its support for IPv4 and IPv6." ::= { natMIBCompliances 2 } END