-- extracted from draft-srisuresh-midcom-mib-01.txt -- at Tue Oct 28 06:14:46 2003 MIDCOM-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE, Integer32, Unsigned32, Gauge32, Counter64, TimeTicks, mib-2 FROM SNMPv2-SMI -- RFC 2578 TEXTUAL-CONVENTION, StorageType, RowStatus, TimeInterval FROM SNMPv2-TC -- RFC 2579 MODULE-COMPLIANCE, NOTIFICATION-GROUP, OBJECT-GROUP FROM SNMPv2-CONF -- RFC 2580 ifIndex, InterfaceIndex FROM IF-MIB -- RFC 2863 SnmpAdminString FROM SNMP-FRAMEWORK-MIB -- RFC 3411 InetAddressType, InetAddress, InetPortNumber FROM INET-ADDRESS-MIB; -- RFC midcomMIB MODULE-IDENTITY LAST-UPDATED "200310200000Z" ORGANIZATION "IETF Midcom Working Group" CONTACT-INFO "WG charter: http://www.ietf.org/html.charters/midcom-charter.html Mailing Lists: General Discussion: midcom@ietf.org To Subscribe: midcom-request@ietf.org In Body: subscribe your_email_address Author: Pyda Srisuresh 1179-A North McDowell Blvd. Petaluma, CA 94954 Tel: (707) 283-5063 Email: srisuresh@yahoo.com " DESCRIPTION "This MIB module defines the managed objects for midcom. " REVISION "200310200000Z" -- 20th Sept. 2003 DESCRIPTION "Initial version of this MIB module." ::= { mib-2 4444 } -- RFC Ed.: replace 4444 with IANA-assigned -- number & remove this note midcomMIBObjects OBJECT IDENTIFIER ::= { midcomMIB 1 } -- -- Four Groups -- -- o midcomConfig - Configuration of a middlebox for -- midcom access. -- o midcomAgentInfo - Active agent info, including the info -- necessary for asynchronous notification. -- o midcomTables - Results of agent initiated transactions -- are saved into relevant tables for later -- reference and parameter modification by -- the agents. -- o midcomTransactions - Midcom agent initiated transactions. -- midcomConfig OBJECT IDENTIFIER ::= { midcomMIBObjects 1 } midcomAgentInfo OBJECT IDENTIFIER ::= { midcomMIBObjects 2 } midcomTables OBJECT IDENTIFIER ::= { midcomMIBObjects 3 } midcomTransactions OBJECT IDENTIFIER ::= { midcomMIBObjects 4 } -- -- Textual conventions used -- -- -- The following TC are copied as is from NAT-MIB. -- In the future, these will be IMPORTS from NAT-MIB. -- NATProtocolType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A list of protocols that support the network address translation. Inclusion of 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) } NatBindIdOrZero ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A unique id that is assigned to each bind by a NAT enabled device. The bind id will be zero in case of a symmetric NAT." SYNTAX Unsigned32 (0..4294967295) NatBindId ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A unique id that is assigned to each bind by a NAT enabled device." SYNTAX Unsigned32 (1..4294967295) NatSessionId ::= TEXTUAL-CONVENTION 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 whether the bind is an address bind or an address-port bind." SYNTAX INTEGER { addressBind (1), addressPortBind (2) } NatBindType ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication whether the bind is static or dynamic." SYNTAX INTEGER { static (1), dynamic (2) } NatTranslationEntity ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication for the direction of a session for which a) an address map entry, address bind or port bind is applicable, and b) the entity (source or detination) within the session that is subject to translation." SYNTAX BITS { inboundSrcEndPoint (1), outboundDstEndPoint(2), inboundDstEndPoint (3), outboundSrcEndPoint(4) } MidcomMBFunctionEnum ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An enumeration of Middlebox functions that are supported by the midcom protocol. Inclusion of values is not intended to imply that those functions need to be supported. Any change in this TEXTUAL-CONVENTION should also be reflected in the definition of midcomConfMBFunctionType object which is a BITS representation of this TEXTUAL-CONVENTION." SYNTAX INTEGER { none (1), -- not specified nat (2), firewall (3) } MidcomMBFunctionBITS ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A BITS representation of Middlebox functions for which MIDCOM is enabled on a middlebox. Any change in this TEXTUAL-CONVENTION should also be reflected in the definition of midcomConfMBFunctionEnum object which is an enumeration of the middlebox functions summported" SYNTAX BITS { nat (0), firewall (1) } MidcomMBResource ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An enumeration of Middlebox function specific resource types that are supported by the midcom protocol. Inclusion of values is not intended to imply that those functions need to be supported. " SYNTAX INTEGER { none (1), -- not specified natBind(2), natSession(3), firewallFilter(4) } MidcomAgentIndex ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A unique id that is assigned to each midcom session by the middlebox." SYNTAX Unsigned32 (1..4294967295) MidcomBindMode ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "An indication of whether a bind is address bind or port bind. " SYNTAX INTEGER { addressBind (1), portBind (2) } -- -- midcomConfig -- The Configuration Group -- The per-interface Midcom Configuration Table -- midcomConfInterfaceTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomConfInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table specifies the midcom configuration attributes per interface on a device supporting midcom access." ::= { midcomConfig 1 } midcomConfInterfaceEntry OBJECT-TYPE SYNTAX MidcomConfInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the midcomConfInterfaceTable holds a set of Midcom configuration parameters pertaining to an interface" INDEX { ifIndex } ::= { midcomConfInterfaceTable 1 } MidcomConfInterfaceEntry ::= SEQUENCE { midcomConfMBFunctionType MidcomMBFunctionBITS, midcomConfStorageType StorageType, midcomConfRowStatus RowStatus } midcomConfMBFunctionType OBJECT-TYPE SYNTAX MidcomMBFunctionBITS MAX-ACCESS read-create STATUS current DESCRIPTION "Middlebox functions for which Midcom processing is enabled." ::= { midcomConfInterfaceEntry 1 } midcomConfStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row." REFERENCE "Textual Conventions for SMIv2, Section 2." DEFVAL { nonVolatile } ::= { midcomConfInterfaceEntry 2 } midcomConfRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. 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." ::= { midcomConfInterfaceEntry 3 } -- -- -- midcomAgentInfo -- Agent specific tables managed by the midcom MIB. -- -- midcomAgentIndexNext OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "When retrieved, this object returns an unused index into Agent table for the USM user that issued the read-request. The returned value can be used for creating a new entry in the midcomAgentTable. The same return value also serves to create new entries in midcomTransGroup, midcomTransBind, midcomTransSession & midcomTransFilter tables. In all these tables, the first index would be set to the AgentIndex returned here and is set to read-only. A value retuned when reading this object is not returned again on subsequent read-requests as long as possible. This ensures that the same USM user can engage in multiple independent midcom sessions with the middlebox. Each midcom agent might be responsible for a different application." ::= { midcomAgentInfo 1 } -- -- midcomAgentTable -- Agent Registration with Middlebox with -- all the requisite information for notification. -- midcomAgentTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomAgentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Lists the active Midcom agents." ::= { midcomAgentInfo 2 } midcomAgentEntry OBJECT-TYPE SYNTAX MidcomAgentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the midcomAgentTable pertains to a midcom agent. Parameters associated with the midcom agent are stored in this table. Each entry contains objects describing where notifications are to be sent to the MIDCOM agent. " INDEX { midcomAgentIndex } ::= { midcomAgentTable 1 } MidcomAgentEntry ::= SEQUENCE { midcomAgentIndex MidcomAgentIndex, midcomAgentName SnmpAdminString, midcomAgentMBId Unsigned32, midcomAgentAddrType InetAddressType, midcomAgentAddress InetAddress, midcomAgentPort InetPortNumber, midcomAgentStatus RowStatus } midcomAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "A middlebox-unique index or Identifier for each midcom agent in the Table. This object allows the same USM user to engage in multiple midcom sessions, perhaps one for each application. Each midcom agent will have a unique agentIndex. " ::= { midcomAgentEntry 1 } midcomAgentName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE (1..32)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The name of the SNMP manager that represents the midcom agent in this midcomAgentTable. " ::= { midcomAgentEntry 2 } midcomAgentMBId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "This is a agent-unique Identifier issued by agent to the middlebox. This identifier is to be used by the middlebox during asynchronous notifications to the agent. " ::= { midcomAgentEntry 3 } midcomAgentAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object specifies the address type used for midcomAgentEntryAddress" ::= { midcomAgentEntry 4 } midcomAgentAddress OBJECT-TYPE SYNTAX InetAddress (SIZE (0..20)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object represents the network layer address of the Midcom agent. This address, in conjunction with AddrType and the UDP port midcomAgentPort may be used by the middlebox functions for asynchronous notification to the agent. " ::= { midcomAgentEntry 5 } midcomAgentPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS not-accessible STATUS current DESCRIPTION "This object represents the UDP port of the Midcom agent. The combinations of (AddressType, Address, Port) are to be used by the middlebox functions for asynchronous notification to the agent. " ::= { midcomAgentEntry 6 } midcomAgentStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2" ::= { midcomAgentEntry 7 } -- -- midcomTables - Results of agent initiated transactions -- are saved into relevant tables for later -- reference and parameter modification by -- the agents. -- -- -- midcomGroupTable -- group Ids per each agent. -- midcomGroupTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Lists the groups registered by each agent." ::= { midcomTables 1 } midcomGroupEntry OBJECT-TYPE SYNTAX MidcomGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the GroupTable holds a unique tuple of parameters associated with a group Identifier. Group identifiers are registered by an agent with midcom." INDEX { midcomGroupAgentIndex, midcomGroupMBResource, midcomGroupId } ::= { midcomGroupTable 1 } MidcomGroupEntry ::= SEQUENCE { midcomGroupAgentIndex MidcomAgentIndex, midcomGroupMBResource MidcomMBResource, midcomGroupId Unsigned32, midcomGroupLifetime TimeInterval, midcomGroupMaxIdletime TimeInterval, midcomGroupStatus RowStatus } midcomGroupAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Unique Identifier for an agent in the table" ::= { midcomGroupEntry 1 } midcomGroupMBResource OBJECT-TYPE SYNTAX MidcomMBResource MAX-ACCESS read-only STATUS current DESCRIPTION "Middlebox resource type for which the GroupId is registered by the agent. " ::= { midcomGroupEntry 2 } midcomGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "A unique Group Identifier registered by the agent for the resource the agent owns. " ::= { midcomGroupEntry 3 } midcomGroupLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Default Lifetime of the resources that are assigned this group Id." ::= { midcomGroupEntry 4 } midcomGroupMaxIdletime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Default MaxIdletime of the resources that are assigned this group Id." ::= { midcomGroupEntry 5 } midcomGroupStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2" ::= { midcomGroupEntry 6 } -- -- midcomBindTable -- Bind Ids managed by each agent. -- midcomBindTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Lists NAT binds owned by each agent." ::= { midcomTables 2 } midcomBindEntry OBJECT-TYPE SYNTAX MidcomBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the BindTable holds a unique tuple of parameters associated with a Bind. " INDEX { midcomBindAgentIndex, midcomBindGroupId, midcomBindId } ::= { midcomBindTable 1 } MidcomBindEntry ::= SEQUENCE { midcomBindAgentIndex MidcomAgentIndex, midcomBindGroupId Unsigned32, midcomBindId NatBindId, midcomBindLifetime TimeInterval, midcomBindMaxIdleTime TimeInterval, midcomBindIfIndex InterfaceIndex, midcomBindTranslationEntity NatTranslationEntity, midcomBindMBId NatBindId, midcomBindMode MidcomBindMode, midcomBindStatus RowStatus } midcomBindAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Unique Identifier for an agent in the table" ::= { midcomBindEntry 1 } midcomBindGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Group Identifier assigend to this bind resource. A value of 0 implies that the bind does not belong to a group membership. " ::= { midcomBindEntry 2 } midcomBindId OBJECT-TYPE SYNTAX NatBindId MAX-ACCESS read-only STATUS current DESCRIPTION "Unique Bind Identifier assigend to this midcom bind resource. This identifier is independent of the bind identifier midcomBindMBId that is managed by the NAT middlebox. " ::= { midcomBindEntry 3 } midcomBindLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Lifetime of the bind resource. When this is set to 0 and GroupId is set to non-zero, the Lifetime of the GroupId is used to determine the lifetime of this resource. " ::= { midcomBindEntry 4 } midcomBindMaxIdleTime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "MaxIdletime of the Bind resource. When this is set to 0 and GroupId is set to non-zero, the MaxIdletime of the GroupId is used to determine the Maxidletime of this resource. " ::= { midcomBindEntry 5 } midcomBindIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Interface Index for which the bind is defined. This value may be set to 0 to mean any IP interface on the middlebox. This value may also be set to 0, when the middlebox has just one interface on which midcom is configured. " ::= { midcomBindEntry 6 } midcomBindTranslationEntity OBJECT-TYPE SYNTAX NatTranslationEntity MAX-ACCESS read-create STATUS current DESCRIPTION "This object represents the direction of the session for which this BIND is applicable and entity within the first packet that is subject to translation. " ::= { midcomBindEntry 7 } midcomBindMBId OBJECT-TYPE SYNTAX NatBindId MAX-ACCESS read-only STATUS current DESCRIPTION "Unique Bind Identifier managed by the NAT middlebox function. This identifier is independent of the bind identifier midcomBindId that is used in conjunction with midcom. Multiple midcomBindIds may be associated with the same midcomBindMBId. " ::= { midcomBindEntry 8 } midcomBindMode OBJECT-TYPE SYNTAX MidcomBindMode MAX-ACCESS read-only STATUS current DESCRIPTION "Indicates whethr the bind is address bind or port bind. " ::= { midcomBindEntry 9 } midcomBindStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2" ::= { midcomBindEntry 10 } -- -- midcomNatSessionTable -- NAT Session Ids per each agent. -- midcomNatSessionTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomNatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Lists NAT sessions owned by each agent." ::= { midcomTables 3 } midcomNatSessionEntry OBJECT-TYPE SYNTAX MidcomNatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry in the NatSessionTable holds a unique tuple of parameters associated with a NAT session. " INDEX { midcomNatSessionAgentIndex, midcomNatSessionGroupId, midcomNatSessionId } ::= { midcomNatSessionTable 1 } MidcomNatSessionEntry ::= SEQUENCE { midcomNatSessionAgentIndex MidcomAgentIndex, midcomNatSessionGroupId Unsigned32, midcomNatSessionId NatSessionId, midcomNatSessionLifetime TimeInterval, midcomNatSessionMaxIdleTime TimeInterval, midcomNatSessionIfIndex InterfaceIndex, midcomNatSessionStatus RowStatus } midcomNatSessionAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Unique Identifier for an agent in the table" ::= { midcomNatSessionEntry 1 } midcomNatSessionGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Group Identifier assigend to this resource. A value of 0 implies that the session does not belong to a group membership. " ::= { midcomNatSessionEntry 2 } midcomNatSessionId OBJECT-TYPE SYNTAX NatSessionId MAX-ACCESS read-only STATUS current DESCRIPTION "Unique session Identifier assigend to this midcom resource. This identifier is same as the session identifier that is managed by the NAT middlebox. " ::= { midcomNatSessionEntry 3 } midcomNatSessionLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Lifetime of the session. When this is set to 0 and GroupId is set to non-zero, the Lifetime of the GroupId is used to determine the lifetime of this resource. " ::= { midcomNatSessionEntry 4 } midcomNatSessionMaxIdleTime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "MaxIdletime of the session. When this is set to 0 and GroupId is set to non-zero, the MaxIdletime of the GroupId is used to determine the Maxidletime of this resource. " ::= { midcomNatSessionEntry 5 } midcomNatSessionIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Interface Index on which the bind is defined. This value may be set to 0 to mean any IP interface on the middlebox. This value may also be set to 0, when the middlebox has just one interface on which midcom is configured. " ::= { midcomNatSessionEntry 6 } midcomNatSessionStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Objects in this row may be modified while the value of this object is active(1)." REFERENCE "Textual Conventions for SMIv2, Section 2" ::= { midcomNatSessionEntry 7 } -- -- midcomTransactions -- The transaction Group -- Transactions issued by the midcom agents -- to the midcom MIB module. -- -- -- -- Textual conventions used -- -- MidcomInvocationStatus ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "Allows invocation and status queries." SYNTAX INTEGER { neverInvoked(1), performOperation(2), inProgress(3), success(4), failure(5) } MidcomGroupCommand ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The choice of operations on groups. add command: Midcom agent uses the command to specify the group-identifiers and associated parameters it wishes to use during the Midcom session. In case of success, the GroupId is tracked by the midcom Module midcomGroupTable. No ill effect in case of failure. delete command: Midcom agent uses the command to remove a group-identifier from its list of valid group-ids. In case of success, the GroupId is deleted from the midcomGroupTable. " SYNTAX INTEGER { add(1), delete(2) } MidcomBindCommand ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The choice of operations on Nat Binds. reserveBindInboundSrc, reserveBindInboundDst, reserveBindOutboundSrc, reserveBindOutboundDst Reserve an address or port bind, given the interface and a src or dst endpoint in one of private address realm or public address realm. reserveBindInboundSrcOrOutboundDst, reserveBindInboundDstOrOutboundSrc Reserve an address or portBind, given the interface and a src or dst endpoint in one of private address realm or public address realm. Set the Bind to be bi-directional. reserveBind2InboundSrc, reserveBind2InboundDst, reserveBind2OutboundSrc, reserveBind2OutboundDst Reserve two port binds, given the interface index and a src or dst endpoint in one of private address realm or public address realm. The two ports assigned for the two port-binds are to be contiguous and assume oddity as specified in an oddity parameter. If the bind assigned turns out to be an address bind, one address bind suffices independent of the port oddity requirement. reserveBind2InboundSrcInboundDst, reseverBind2OutboundSrcOutboundDst, Reserve two binds as in a twice NAT, given the interface index and the session tuple in private realm or public realm. " SYNTAX INTEGER { reserveBindInboundSrc (1), reserveBindInboundDst (2), reserveBindOutboundSrc(3), reserveBindOutboundDst(4), reserveBindInboundSrcOrOutboundDst(5), reserveBindInboundDstOrOutboundSrc(6), reserveBind2InboundSrc(7), reserveBind2InboundDst(8), reserveBind2OutboundSrc(9), reserveBind2OutboundDst(10), reserveBind2InboundSrcInboundDst(11), reseverBind2OutboundSrcOutboundDst(12) } MidcomNatSessionCommand ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The choice of commands on NAT sessions. createNatSession Create a NAT-session, given the parameters of a session as seen by NAT as the first packet in the ingress or egress direction specific to an interface. The associated Binds may or may not be pre-specified. When the command is successfully executed, a single NAT SessionId is created. create2NatSessions Create 2 NAT sessions, given the oddity requirement. When the command is successfully executed, two NAT session Ids are created. " SYNTAX INTEGER { createNatSession(1), create2NatSessions (2) } MidcomTransInOutFlags ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "A BITS representation used to specify the relevant parameters for input during a command request (or) during a command response. " SYNTAX BITS { privateAddrType (0), privateSrcAddr (1), privateSrcPort (2), privateDstAddr (3), privateDstPort (4), globalAddrType (5), globalSrcAddr (6), globalSrcPort (7), globalDstAddr (8), globalDstPort (9), groupId (10), lifetime (11), maxIdletime (12), privateSrcBind (13), privateDstBind (14) } MidcomSessionDirection ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "Describes the direction of a session specific to an interface. " SYNTAX INTEGER { inbound(1), outbound(2) } midcomTransGroupTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomTransGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This lists Group based transactions, one per each agent." ::= { midcomTransactions 1 } midcomTransGroupEntry OBJECT-TYPE SYNTAX MidcomTransGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry pertains to a midcom agent carrying out a group based transaction. Midcom module will respond with Success or Failure, with an error code. In the case of success, the tuples specified in the transaction are entered into midcomGroupTable for later reference and parameter modification by the agent. " INDEX { midcomTransGroupAgentIndex } ::= { midcomTransGroupTable 1 } MidcomTransGroupEntry ::= SEQUENCE { midcomTransGroupAgentIndex MidcomAgentIndex, midcomTransGroupMBResource MidcomMBResource, midcomTransGroupGroupId Unsigned32, midcomTransGroupLifetime TimeInterval, midcomTransGroupMaxIdletime TimeInterval, midcomTransGroupCommand MidcomGroupCommand, midcomTransGroupStatus MidcomInvocationStatus } midcomTransGroupAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "A unique Identifier for an Agent in the Table. This object is set when an agent reads the object midcomAgentIndexNext. " ::= { midcomTransGroupEntry 1 } midcomTransGroupMBResource OBJECT-TYPE SYNTAX MidcomMBResource MAX-ACCESS read-create STATUS current DESCRIPTION "Middlebox function specific resource type for which the GroupId is applicable." ::= { midcomTransGroupEntry 2 } midcomTransGroupGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Group Identifier for which the Group operation is to be performed." ::= { midcomTransGroupEntry 3 } midcomTransGroupLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Default Lifetime of the resources that are assigned this group Id. This field is required only during the add operation. This field is ignored during the delete operation. " ::= { midcomTransGroupEntry 4 } midcomTransGroupMaxIdletime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Default MaxIdletime of the resources that are assigned this group Id. This field is required to be filled only during the add operation. This field is ignored during the delete operation. " ::= { midcomTransGroupEntry 5 } midcomTransGroupCommand OBJECT-TYPE SYNTAX MidcomGroupCommand MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the group command to be executed. " ::= { midcomTransGroupEntry 6 } midcomTransGroupStatus OBJECT-TYPE SYNTAX MidcomInvocationStatus MAX-ACCESS read-write STATUS current DESCRIPTION "Invocation status." ::= { midcomTransGroupEntry 7 } midcomTransBindTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomTransBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This lists Bind based transactions, one per each agent." ::= { midcomTransactions 2 } midcomTransBindEntry OBJECT-TYPE SYNTAX MidcomTransBindEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry pertains to a midcom agent carrying out a BIND based transaction. Midcom module will respond with Success or Failure, with an error code. In the case of success, there can be a maximum of two address or port binds returned. These binds are also entered into midcomBindTable for later use by the midcom agents. " INDEX { midcomTransBindAgentIndex } ::= { midcomTransBindTable 1 } MidcomTransBindEntry ::= SEQUENCE { midcomTransBindAgentIndex MidcomAgentIndex, midcomTransBindCommand MidcomBindCommand, midcomTransBindOddity INTEGER, midcomTransBindProtocol NATProtocolType, midcomTransBindSessionDirection MidcomSessionDirection, midcomTransBindIfIndex InterfaceIndex, midcomTransBindInParms MidcomTransInOutFlags, midcomTransBindOutParms MidcomTransInOutFlags, midcomTransBindGroupId Unsigned32, midcomTransBindLifetime TimeInterval, midcomTransBindMaxIdletime TimeInterval, midcomTransBindPrivateAddrType InetAddressType, midcomTransBindPrivateSrcAddr InetAddress, midcomTransBindPrivateSrcPort InetPortNumber, midcomTransBindPrivateDstAddr InetAddress, midcomTransBindPrivateDstPort InetPortNumber, midcomTransBindGlobalAddrType InetAddressType, midcomTransBindGlobalSrcAddr InetAddress, midcomTransBindGlobalSrcPort InetPortNumber, midcomTransBindGlobalDstAddr InetAddress, midcomTransBindGlobalDstPort InetPortNumber, midcomTransBindPrivateSrcBindId NatBindIdOrZero, midcomTransBindPrivateSrcBindMode MidcomBindMode, midcomTransBindPrivateDstBindId NatBindIdOrZero, midcomTransBindPrivateDstBindMode MidcomBindMode, midcomTransBindStatus MidcomInvocationStatus } midcomTransBindAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "A unique Identifier for an Agent in the Table. This object is set when an agent reads the object midcomAgentIndexNext. " ::= { midcomTransBindEntry 1 } midcomTransBindCommand OBJECT-TYPE SYNTAX MidcomBindCommand MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the bind command to be executed. " ::= { midcomTransBindEntry 2 } midcomTransBindOddity OBJECT-TYPE SYNTAX INTEGER { oddityEnforce(1), -- Enforce oddity oddityNotRequired (2) -- Oddity not required. } MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies whether or not the bind should enforce oddity to match that of the specified end point or end points. " ::= { midcomTransBindEntry 3 } midcomTransBindProtocol OBJECT-TYPE SYNTAX NATProtocolType MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the protocol (TCP/UDP) of the session that requires the bind reservation. " ::= { midcomTransBindEntry 4 } midcomTransBindSessionDirection OBJECT-TYPE SYNTAX MidcomSessionDirection MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the orientation of the session that requires the bind reservation. " ::= { midcomTransBindEntry 5 } midcomTransBindIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-create STATUS current DESCRIPTION "Interface Index for which the bind is being requested. This value may be set to 0 to mean any IP interface on the middlebox. This value may also be set to 0, when the middlebox has just one interface on which midcom is configured. " ::= { midcomTransBindEntry 6 } midcomTransBindInParms OBJECT-TYPE SYNTAX MidcomTransInOutFlags MAX-ACCESS read-write STATUS current DESCRIPTION "Lists the fields within the row that are filled by the requestor. While the transaction allows for any or all of the end-points to be specified, typically, no more than one end-point should be defined. For Twice-Nat alone, two end-points must be specified. " ::= { midcomTransBindEntry 7 } midcomTransBindOutParms OBJECT-TYPE SYNTAX MidcomTransInOutFlags MAX-ACCESS read-write STATUS current DESCRIPTION "Lists the fields within the row that are filled by the middlebox in response to the bind request from agent. While the transaction allows for any or all of the end-points to be filled, typically, no more than one end-point should be filled. For Twice-Nat alone, two end-points must be specified. For oddity based port binds, the second bind is used to specify the second port bind. " ::= { midcomTransBindEntry 8 } midcomTransBindGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Group Identifier assigend to this bind resource. A value of 0 implies that the bind is not assigned a group membership. " ::= { midcomTransBindEntry 9 } midcomTransBindLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Individual Lifetime of the bind resource. When this is set to 0 and GroupId is set to non-zero, the Lifetime of the GroupId is used to determine the lifetime of this resource. " ::= { midcomTransBindEntry 10 } midcomTransBindMaxIdletime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "MaxIdletime of the Bind resource. When this is set to 0 and GroupId is set to non-zero, the MaxIdletime of the GroupId is used to determine the Maxidletime of this resource. " ::= { midcomTransBindEntry 11 } midcomTransBindPrivateAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "IP address type in the private realm. " ::= { midcomTransBindEntry 12 } midcomTransBindPrivateSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP source address in the private realm. This is relevant if the agent refers a private realm address and the bind command is to find a bind for private realm source end point. " ::= { midcomTransBindEntry 13 } midcomTransBindPrivateSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP source port in the private realm. This is relevant if the agent refers a private realm address and the bind command is to find a bind for private realm source end point. " ::= { midcomTransBindEntry 14 } midcomTransBindPrivateDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination address in the private realm. This is relevant if the agent refers a private realm address and the bind command is to find a bind for private realm destination end point. " ::= { midcomTransBindEntry 15 } midcomTransBindPrivateDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination port in the private realm. This is relevant if the agent refers a private realm address and the bind command is to find a bind for private realm destination end point. " ::= { midcomTransBindEntry 16 } midcomTransBindGlobalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "IP address type in the global address realm. " ::= { midcomTransBindEntry 17 } midcomTransBindGlobalSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP source address in the global realm. This is relevant if the agent refers a global realm address and the bind command is to find a bind for global realm source end point. " ::= { midcomTransBindEntry 18 } midcomTransBindGlobalSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP source port in the global realm. This is relevant if the agent refers a global realm address and the bind command is to find a bind for global realm source end point. " ::= { midcomTransBindEntry 19 } midcomTransBindGlobalDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination address in the global realm. This is relevant if the agent refers a global realm address and the bind command is to find a bind for global realm destination end point. " ::= { midcomTransBindEntry 20 } midcomTransBindGlobalDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination port in the private realm. This is relevant if the agent refers a global realm address and the bind command is to find a bind for global realm destination end point. " ::= { midcomTransBindEntry 21 } midcomTransBindPrivateSrcBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-only STATUS current DESCRIPTION "This is the first Bind that will be generated in majority of the cases. This will be set to 0 in the case of symmetric NAT. " ::= { midcomTransBindEntry 22 } midcomTransBindPrivateSrcBindMode OBJECT-TYPE SYNTAX MidcomBindMode MAX-ACCESS read-only STATUS current DESCRIPTION "This indicates whether PrivateSrcBind is address bind or port bind. " ::= { midcomTransBindEntry 23 } midcomTransBindPrivateDstBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-only STATUS current DESCRIPTION "This is the second Bind that will be generated in the case of twice-NAT or oddity based 2 bind request. This will be set to 0 in the case of symmetric NAT. " ::= { midcomTransBindEntry 24 } midcomTransBindPrivateDstBindMode OBJECT-TYPE SYNTAX MidcomBindMode MAX-ACCESS read-only STATUS current DESCRIPTION "This indicates whether PrivateDstBind is address bind or port bind. " ::= { midcomTransBindEntry 25 } midcomTransBindStatus OBJECT-TYPE SYNTAX MidcomInvocationStatus MAX-ACCESS read-write STATUS current DESCRIPTION "Invocation status." ::= { midcomTransBindEntry 26 } midcomTransNatSessionTable OBJECT-TYPE SYNTAX SEQUENCE OF MidcomTransNatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This lists NatSession based transactions, one per each agent." ::= { midcomTransactions 3 } midcomTransNatSessionEntry OBJECT-TYPE SYNTAX MidcomTransNatSessionEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry pertains to a midcom agent carrying out a Nat session based transaction. Midcom module will respond with Success or Failure, with an error code. In the case of success, there can be a maximum of two address or port binds returned. These binds are entered into midcomBindTable for later use by the midcom agents. Further, the NatSession entry is included within the midcomNatSession table. " INDEX { midcomTransNatSessionAgentIndex } ::= { midcomTransNatSessionTable 1 } MidcomTransNatSessionEntry ::= SEQUENCE { midcomTransNatSessionAgentIndex MidcomAgentIndex, midcomTransNatSessionCommand MidcomNatSessionCommand, midcomTransNatSessionOddity INTEGER, midcomTransNatSessionProtocol NATProtocolType, midcomTransNatSessionSessionDirection MidcomSessionDirection, midcomTransNatSessionIfIndex InterfaceIndex, midcomTransNatSessionInParms MidcomTransInOutFlags, midcomTransNatSessionOutParms MidcomTransInOutFlags, midcomTransNatSessionGroupId Unsigned32, midcomTransNatSessionLifetime TimeInterval, midcomTransNatSessionMaxIdletime TimeInterval, midcomTransNatSessionPrivateAddrType InetAddressType, midcomTransNatSessionPrivateSrcAddr InetAddress, midcomTransNatSessionPrivateSrcPort InetPortNumber, midcomTransNatSessionPrivateDstAddr InetAddress, midcomTransNatSessionPrivateDstPort InetPortNumber, midcomTransNatSessionGlobalAddrType InetAddressType, midcomTransNatSessionGlobalSrcAddr InetAddress, midcomTransNatSessionGlobalSrcPort InetPortNumber, midcomTransNatSessionGlobalDstAddr InetAddress, midcomTransNatSessionGlobalDstPort InetPortNumber, midcomTransNatSessionPrivateSrcBindId NatBindIdOrZero, midcomTransNatSessionPrivateDstBindId NatBindIdOrZero, midcomTransNatSessionSessionId NatSessionId, midcomTransNatSessionSessionId2 NatSessionId, midcomTransNatSessionStatus MidcomInvocationStatus } midcomTransNatSessionAgentIndex OBJECT-TYPE SYNTAX MidcomAgentIndex MAX-ACCESS read-only STATUS current DESCRIPTION "A unique Identifier for an Agent in the Table. This object is set when an agent reads the object midcomAgentIndexNext. " ::= { midcomTransNatSessionEntry 1 } midcomTransNatSessionCommand OBJECT-TYPE SYNTAX MidcomNatSessionCommand MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the NatSession command to be executed. " ::= { midcomTransNatSessionEntry 2 } midcomTransNatSessionOddity OBJECT-TYPE SYNTAX INTEGER { oddityEnforce(1), -- Enforce oddity oddityNotRequired (2) -- Oddity not required. } MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies whether or not the Nat-Session should enforce oddity while assigning translation port(s) to match that of the specified session.. " ::= { midcomTransNatSessionEntry 3 } midcomTransNatSessionProtocol OBJECT-TYPE SYNTAX NATProtocolType MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the protocol (TCP/UDP) of the session. " ::= { midcomTransNatSessionEntry 4 } midcomTransNatSessionSessionDirection OBJECT-TYPE SYNTAX MidcomSessionDirection MAX-ACCESS read-write STATUS current DESCRIPTION "This specifies the orientation of the session with reference to the interface index specified. " ::= { midcomTransNatSessionEntry 5 } midcomTransNatSessionIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-create STATUS current DESCRIPTION "Interface Index for which the NAT-Session is being requested. This value may be set to 0 to mean any IP interface on the middlebox. This value may also be set to 0, when the middlebox has just one interface on which midcom is configured. " ::= { midcomTransNatSessionEntry 6 } midcomTransNatSessionInParms OBJECT-TYPE SYNTAX MidcomTransInOutFlags MAX-ACCESS read-write STATUS current DESCRIPTION "Lists the fields within the row that are filled by the requestor. While the transaction allows for any or all of the session parameters to be specified, typically, session parameters are filled in the private alone or in the public realm alone. " ::= { midcomTransNatSessionEntry 7 } midcomTransNatSessionOutParms OBJECT-TYPE SYNTAX MidcomTransInOutFlags MAX-ACCESS read-write STATUS current DESCRIPTION "Lists the fields within the row that are filled by the middlebox in response to the session request from agent. While the transaction allows for any or all session parameters to be filled, typically, session parameters are filled in the private alone or in the public realm alone. " ::= { midcomTransNatSessionEntry 8 } midcomTransNatSessionGroupId OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Group Identifier assigend to this resource. A value of 0 implies that the session is not assigned a group membership. " ::= { midcomTransNatSessionEntry 9 } midcomTransNatSessionLifetime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "Individual Lifetime of the bind resource. When this is set to 0 and GroupId is set to non-zero, the Lifetime of the GroupId is used to determine the lifetime of this resource. " ::= { midcomTransNatSessionEntry 10 } midcomTransNatSessionMaxIdletime OBJECT-TYPE SYNTAX TimeInterval MAX-ACCESS read-create STATUS current DESCRIPTION "MaxIdletime of the Bind resource. When this is set to 0 and GroupId is set to non-zero, the MaxIdletime of the GroupId is used to determine the Maxidletime of this resource. " ::= { midcomTransNatSessionEntry 11 } midcomTransNatSessionPrivateAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "IP address type in the private realm. " ::= { midcomTransNatSessionEntry 12 } midcomTransNatSessionPrivateSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP source address in the private realm. This is relevant if the agent refers a private realm session. Wild-card IP address is allowed and may be denoted as all zeros. " ::= { midcomTransNatSessionEntry 13 } midcomTransNatSessionPrivateSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP source port in the private realm. This is relevant if the agent refers a private realm based session. Wild-card port is allowed and may be denoted as zero. " ::= { midcomTransNatSessionEntry 14 } midcomTransNatSessionPrivateDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination address in the private realm. This is relevant if the agent refers a private realm based session. Wild-card IP address is allowed and may be denoted as all zeros. " ::= { midcomTransNatSessionEntry 15 } midcomTransNatSessionPrivateDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination port in the private realm. This is relevant if the agent refers a private realm based session. Wild-card port is allowed and may be denoted as zero. " ::= { midcomTransNatSessionEntry 16 } midcomTransNatSessionGlobalAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "IP address type in the global address realm. " ::= { midcomTransNatSessionEntry 17 } midcomTransNatSessionGlobalSrcAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP source address in the global realm. This is relevant if the agent refers a global realm based session. Wild-card IP address is allowed and may be denoted as all zeros. " ::= { midcomTransNatSessionEntry 18 } midcomTransNatSessionGlobalSrcPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP source port in the global realm. This is relevant if the agent refers a global realm based session. Wild-card port is allowed and may be denoted as zero. " ::= { midcomTransNatSessionEntry 19 } midcomTransNatSessionGlobalDstAddr OBJECT-TYPE SYNTAX InetAddress MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination address in the global realm. This is relevant if the agent refers a global realm based session. Wild-card IP address is allowed and may be denoted as all zeros. " ::= { midcomTransNatSessionEntry 20 } midcomTransNatSessionGlobalDstPort OBJECT-TYPE SYNTAX InetPortNumber MAX-ACCESS read-create STATUS current DESCRIPTION "IP destination port in the private realm. This is relevant if the agent refers a global realm based session. Wild-card port is allowed and may be denoted as zero. " ::= { midcomTransNatSessionEntry 21 } midcomTransNatSessionPrivateSrcBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-create STATUS current DESCRIPTION "This is the first Bind that may be supplied by the agent. This BindId is the unique bindId for the midcom agent and is independent of what the NAT middlebox might have. This may be set to 0 in the case requestor does not have a BIND pre-assigned. " ::= { midcomTransNatSessionEntry 22 } midcomTransNatSessionPrivateDstBindId OBJECT-TYPE SYNTAX NatBindIdOrZero MAX-ACCESS read-create STATUS current DESCRIPTION "This is the second Bind (as in twice-NAT) that may be supplied by the midcom agent for a session. In the case the command is to create two sessions, the second Bind refers to the sesond session. This BindId is the unique bindId for the midcom agent and is independent of what the NAT middlebox might have. This may be set to 0 in the case requestor does not have a BIND pre-assigned or the session needs no more than one BIND. " ::= { midcomTransNatSessionEntry 23 } midcomTransNatSessionSessionId OBJECT-TYPE SYNTAX NatSessionId MAX-ACCESS read-only STATUS current DESCRIPTION "Unique session Identifier returned upon successful execution of the session command. " ::= { midcomTransNatSessionEntry 24 } midcomTransNatSessionSessionId2 OBJECT-TYPE SYNTAX NatSessionId MAX-ACCESS read-only STATUS current DESCRIPTION "Second session Identifier assigned upon successful execution of the session command. This is set when the command is to create two sessions using the oddity basis, for two consecutive ports. " ::= { midcomTransNatSessionEntry 25 } midcomTransNatSessionStatus OBJECT-TYPE SYNTAX MidcomInvocationStatus MAX-ACCESS read-write STATUS current DESCRIPTION "Invocation status." ::= { midcomTransNatSessionEntry 26 } END -- -- Copyright (C) The Internet Society (2003). 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