RFC1243-MIB DEFINITIONS ::= BEGIN IMPORTS Counter, IpAddress FROM RFC1155-SMI DisplayString, mib-2 FROM RFC1213-MIB OBJECT-TYPE FROM RFC-1212; -- This MIB module uses the extended OBJECT-TYPE macro as -- defined in [9] -- AppleTalk MIB appletalk OBJECT IDENTIFIER ::= { mib-2 13 } DdpAddress ::= -- 2 octets of net number -- 1 octet of node number OCTET STRING (SIZE (3)) -- This data type is used for encoding a DDP protocol -- address. The format of this address is a serial -- encoding of the two octets of network number in -- network byte order, followed by the 1 octet node -- number. llap OBJECT IDENTIFIER ::= { appletalk 1 } aarp OBJECT IDENTIFIER ::= { appletalk 2 } atport OBJECT IDENTIFIER ::= { appletalk 3 } ddp OBJECT IDENTIFIER ::= { appletalk 4 } rtmp OBJECT IDENTIFIER ::= { appletalk 5 } kip OBJECT IDENTIFIER ::= { appletalk 6 } zip OBJECT IDENTIFIER ::= { appletalk 7 } nbp OBJECT IDENTIFIER ::= { appletalk 8 } atecho OBJECT IDENTIFIER ::= { appletalk 9 } -- The LLAP Group llapTable OBJECT-TYPE SYNTAX SEQUENCE OF LlapEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The list of LLAP entries." ::= { llap 1 } llapEntry OBJECT-TYPE SYNTAX LlapEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "An LLAP entry containing objects for the LocalTalk Link Access Protocol for a particular LocalTalk interface." INDEX { llapIfIndex } ::= { llapTable 1 } LlapEntry ::= SEQUENCE { llapIfIndex INTEGER, llapInPkts Counter, llapOutPkts Counter, llapInNoHandlers Counter, llapInLengthErrors Counter, llapInBads Counter, llapCollisions Counter, llapDefers Counter, llapNoDataErrors Counter, llapRandomCTSErrors Counter, llapFCSErrors Counter } llapIfIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "The LLAP interface to which this entry pertains. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex." ::= { llapEntry 1 } llapInPkts OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of good packets received on this LocalTalk interface." ::= { llapEntry 2 } llapOutPkts OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of packets transmitted on this LocalTalk interface." ::= { llapEntry 3 } llapInNoHandlers OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of good packets received on this LocalTalk interface for which there was no protocol handler." ::= { llapEntry 4 } llapInLengthErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of packets received on this LocalTalk interface whose actual length did not match the length in the header." ::= { llapEntry 5 } llapInErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of packets containing errors received on this LocalTalk interface." ::= { llapEntry 6 } llapCollisions OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of collisions assumed on this LocalTalk interface due to the lack of a lapCTS reply." ::= { llapEntry 7 } llapDefers OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of times this LocalTalk interface deferred to other packets." ::= { llapEntry 8 } llapNoDataErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of times this LocalTalk interface received a lapRTS packet and expected a data packet, but did not receive any data packet." ::= { llapEntry 9 } llapRandomCTSErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of times this LocalTalk interface received a lapCTS packet that was not solicited by a lapRTS packet." ::= { llapEntry 10 } llapFCSErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of times this LocalTalk interface received a packet with an FCS (Frame Check Sequence) error." ::= { llapEntry 11 } -- The AARP Group aarpTable OBJECT-TYPE SYNTAX SEQUENCE OF AarpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The AppleTalk Address Translation Table contains an equivalence of AppleTalk Network Addresses to the link layer physical address." ::= { aarp 1 } aarpEntry OBJECT-TYPE SYNTAX AarpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "Each entry contains one AppleTalk Network Address to physical address equivalence." INDEX { aarpIfIndex, aarpNetAddress } ::= { aarpTable 1 } AarpEntry ::= SEQUENCE { aarpIfIndex INTEGER, aarpPhysAddress OCTET STRING, aarpNetAddress DdpAddress } aarpIfIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "The interface on which this entry's equivalence is effective. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex." ::= { aarpEntry 1 } aarpPhysAddress OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-only STATUS mandatory DESCRIPTION "The media-dependent physical address" ::= { aarpEntry 2 } aarpNetAddress OBJECT-TYPE SYNTAX DdpAddress ACCESS read-only STATUS mandatory DESCRIPTION "The AppleTalk Network Address corresponding to the media-dependent physical address." ::= { aarpEntry 3 } -- The ATPort Group atportTable OBJECT-TYPE SYNTAX SEQUENCE OF AtportEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of AppleTalk ports for this entity." ::= { atport 1 } atportEntry OBJECT-TYPE SYNTAX AtportEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The description of one of the AppleTalk ports on this entity." INDEX { atportIndex } ::= { atportTable 1 } AtportEntry ::= SEQUENCE { atportIndex INTEGER, atportDescr DisplayString, atportType INTEGER, atportNetStart OCTET STRING (SIZE(2)), atportNetEnd OCTET STRING (SIZE(2)), atportNetAddress DdpAddress, atportStatus INTEGER, atportNetConfig INTEGER, atportZoneConfig INTEGER, atportZone OCTET STRING, atportIfIndex INTEGER } atportIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "A unique value for each AppleTalk port. Its value is between 1 and the total number of AppleTalk ports. The value for each port must remain constant at least from the re-initialization of the entity's network management system to the next re-initialization." ::= { atportEntry 1 } atportDescr OBJECT-TYPE SYNTAX DisplayString ACCESS read-only STATUS mandatory DESCRIPTION "A text string containing information about the port. This string is intended for presentation to a human; it must not contain anything but printable ASCII characters." ::= { atportEntry 2 } atportType OBJECT-TYPE SYNTAX INTEGER { other(1), -- none of the following localtalk(2), ethertalk1(3), ethertalk2(4), tokentalk(5), iptalk(6), serial-ppp(7), serial-nonstandard(8), virtual(9) } ACCESS read-write STATUS mandatory DESCRIPTION "The type of port, distinguished by the protocol immediately below DDP in the protocol stack." ::= { atportEntry 3 } atportNetStart OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The first AppleTalk network address in the range configured for this port. This is a two octet DDP network address in network byte order." ::= { atportEntry 4 } atportNetEnd OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The last AppleTalk network address in the range configured for this port. This is a two octet DDP network address in network byte order. If the network to which this AppleTalk port is connected is a Phase 1 network or a non-extended network, the value for atportNetEnd shall be two octets of zero." ::= { atportEntry 5 } atportNetAddress OBJECT-TYPE SYNTAX DdpAddress ACCESS read-write STATUS mandatory DESCRIPTION "The AppleTalk network address configured for this port." ::= { atportEntry 6 } atportStatus OBJECT-TYPE SYNTAX INTEGER { operational(1), unconfigured(2), off(3), invalid(4) } ACCESS read-write STATUS mandatory DESCRIPTION "The configuration status of this port. Setting this object to the value invalid(4) has the effect of invalidating the corresponding entry in the atportTable. That is, it effectively disassociates the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive from agents tabular information corresponding to entries not currently in use. Proper interpretation of such entries requires examination of the relevant atportStatus object." ::= { atportEntry 7 } atportNetConfig OBJECT-TYPE SYNTAX INTEGER { configured(1), -- explicit configuration. garnered(2), -- assumed from inspection of net. guessed(3), -- a "random" configuration. unconfigured(4) } ACCESS read-only STATUS mandatory DESCRIPTION "The configuration status of this port." ::= { atportEntry 8 } atportZoneConfig OBJECT-TYPE SYNTAX INTEGER { configured(1), -- explicit configuration garnered(2), -- assumed from inspection of net. guessed(3), -- a "random" configuration. unconfigured(4) } ACCESS read-only STATUS mandatory DESCRIPTION "The configuration status of the zone information for this port." ::= { atportEntry 9 } atportZone OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The zone name configured for this AppleTalk port." ::= { atportEntry 10 } atportIfIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The physical interface associated with this AppleTalk port. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex." ::= { atportEntry 11 } -- The DDP Group ddpOutRequests OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of DDP datagrams which were supplied to DDP by local DDP clients in requests for transmission. Note that this counter does not include any datagrams counted in ddpForwRequests." ::= { ddp 1 } ddpOutShorts OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of short DDP datagrams which were transmitted from this entity." ::= { ddp 2 } ddpOutLongs OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of long DDP datagrams which were transmitted from this entity." ::= { ddp 3 } ddpInReceives OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input datagrams received by DDP, including those received in error." ::= { ddp 4 } ddpForwRequests OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The number of input datagrams for which this entity was not their final DDP destination, as a result of which an attempt was made to find a route to forward them to that final destination." ::= { ddp 5 } ddpInLocalDatagrams OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams for which this entity was their final DDP destination." ::= { ddp 6 } ddpNoProtocolHandlers OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of DDP datagrams addressed to this entity that were addressed to an upper layer protocol for which no protocol handler existed." ::= { ddp 7 } ddpOutNoRoutes OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of DDP datagrams dropped because a route could not be found to their final destination." ::= { ddp 8 } ddpTooShortErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because the received data length was less than the data length specified in the DDP header or the received data length was less than the length of the expected DDP header." ::= { ddp 9 } ddpTooLongErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because the received data length was greater than the data length specified in the DDP header or because they exceeded the maximum DDP datagram size." ::= { ddp 10 } ddpBroadcastErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because this entity was not their final destination and they were addressed to the link level broadcast." ::= { ddp 11 } ddpShortDDPErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because this entity was not their final destination and their type was short DDP." ::= { ddp 12 } ddpHopCountErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because this entity was not their final destination and their hop count would exceed 15." ::= { ddp 13 } ddpChecksumErrors OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of input DDP datagrams dropped because of a checksum error." ::= { ddp 14 } -- The RTMP Group rtmpTable OBJECT-TYPE SYNTAX SEQUENCE OF RtmpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of Routing Table Maintenance Protocol entries for this entity." ::= { rtmp 1 } rtmpEntry OBJECT-TYPE SYNTAX RtmpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The route entry to a particular network range." INDEX { rtmpRangeStart } ::= { rtmpTable 1 } RtmpEntry ::= SEQUENCE { rtmpRangeStart OCTET STRING (SIZE(2)), rtmpRangeEnd OCTET STRING (SIZE(2)), rtmpNextHop OCTET STRING, rtmpType INTEGER, rtmpPort INTEGER, rtmpHops INTEGER, rtmpState INTEGER } rtmpRangeStart OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The first DDP network address in the network range to which this routing entry pertains. This is a two octet DDP network address in network byte order." ::= { rtmpEntry 1 } rtmpRangeEnd OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The last DDP network address in the network range to which this routing entry pertains. This is a two octet DDP network address in network byte order. If the network to which this routing entry pertains is a Phase 1 network or a non-extended network, the value for rtmpRangeEnd shall be two octets of zero." ::= { rtmpEntry 2 } rtmpNextHop OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The next hop in the route to this entry's destination network. If the type of this route is Appletalk, this address takes the same form as DdpAddress." ::= { rtmpEntry 3 } rtmpType OBJECT-TYPE SYNTAX INTEGER { other(1), appletalk(2), serial-ppp(3), serial-nonstandard(4) } ACCESS read-write STATUS mandatory DESCRIPTION "The type of network over which this route points." ::= { rtmpEntry 4 } rtmpPort OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The index of the AppleTalk port over which this route points." ::= { rtmpEntry 5 } rtmpHops OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The number of hops required to reach the destination network to which this routing entry pertains." ::= { rtmpEntry 6 } rtmpState OBJECT-TYPE SYNTAX INTEGER { good(1), suspect(2), goingBad(3), bad(4) -- may be removed from table } ACCESS read-write STATUS mandatory DESCRIPTION "The status of the information contained in this route entry. Setting this object to the value bad(4) has the effect of invalidating the corresponding entry in the rtmpTable. That is, it effectively disassociates the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive from agents tabular information corresponding to entries not currently in use. Proper interpretation of such entries requires examination of the relevant rtmpState object." ::= { rtmpEntry 7 } -- The KIP Group kipTable OBJECT-TYPE SYNTAX SEQUENCE OF KipEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The table of routing information for KIP networks." ::= { kip 1 } kipEntry OBJECT-TYPE SYNTAX KipEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "An entry in the routing table for KIP networks." INDEX { kipNetStart } ::= { kipTable 1 } KipEntry ::= SEQUENCE { kipNetStart OCTET STRING (SIZE(2)), kipNetEnd OCTET STRING (SIZE(2)), kipNextHop IpAddress, kipHopCount INTEGER, kipBCastAddr IpAddress, kipCore INTEGER, kipType INTEGER, kipState INTEGER, kipShare INTEGER } kipNetStart OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The first AppleTalk network address in the range for this routing entry. This address is a two octet DDP network address in network byte order." ::= { kipEntry 1 } kipNetEnd OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The last AppleTalk network address in the range for this routing entry. This address is a two octet DDP network address in network byte order. If the network to which this AppleTalk port is connected is a Phase 1 network or a non-extended network, the value for kipNetEnd shall be two octets of zero." ::= { kipEntry 2 } kipNextHop OBJECT-TYPE SYNTAX IpAddress ACCESS read-write STATUS mandatory DESCRIPTION "The IP address of the next hop in the route to this entry's destination network." ::= { kipEntry 3 } kipHopCount OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The number of hops required to reach the destination network to which this entry pertains." ::= { kipEntry 4 } kipBCastAddr OBJECT-TYPE SYNTAX IpAddress ACCESS read-write STATUS mandatory DESCRIPTION "The form of the IP address used to broadcast on this network." ::= { kipEntry 5 } kipCore OBJECT-TYPE SYNTAX INTEGER { core(1), notcore(2) } ACCESS read-write STATUS mandatory DESCRIPTION "The status of this network as a Kip Core network." ::= { kipEntry 6 } kipType OBJECT-TYPE SYNTAX INTEGER { kipRouter(1), net(2), host(3), other(4) } ACCESS read-write STATUS mandatory DESCRIPTION "The type of the entity that this route points to." ::= { kipEntry 7 } kipState OBJECT-TYPE SYNTAX INTEGER { configured(1), learned(2), invalid(3) } ACCESS read-write STATUS mandatory DESCRIPTION "The state of this network entry. Setting this object to the value invalid(3) has the effect of invalidating the corresponding entry in the kipTable. That is, it effectively disassociates the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive from agents tabular information corresponding to entries not currently in use. Proper interpretation of such entries requires examination of the relevant kipState object." ::= { kipEntry 8 } kipShare OBJECT-TYPE SYNTAX INTEGER { shared(1), private(2) } ACCESS read-write STATUS mandatory DESCRIPTION "If the information in this entry is propagated to other routers as part of a routing protocol, the value of this variable is equal to shared(1). Otherwise its value is private(2)." ::= { kipEntry 9 } -- The ZIP Group zipTable OBJECT-TYPE SYNTAX SEQUENCE OF ZipEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The table of zone information for reachable AppleTalk networks." ::= { zip 1 } zipEntry OBJECT-TYPE SYNTAX ZipEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "An entry of zone information for a particular zone and network combination." INDEX { zipZoneNetStart, zipZoneIndex } ::= { zipTable 1 } ZipEntry ::= SEQUENCE { zipZoneName OCTET STRING, zipZoneIndex INTEGER, zipZoneNetStart OCTET STRING (SIZE(2)), zipZoneNetEnd OCTET STRING (SIZE(2)), zipZoneState INTEGER } zipZoneName OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The ASCII zone name of this entry." ::= { zipEntry 1 } zipZoneIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "An integer that is unique to the zipZoneName that is present in this entry. For any given zone name, every zipEntry that has an equal zone name will have the same zipZoneIndex." ::= { zipEntry 2 } zipZoneNetStart OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The network that starts the range for this entry. This address is a two octet DDP network address in network byte order." ::= { zipEntry 3 } zipZoneNetEnd OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2)) ACCESS read-write STATUS mandatory DESCRIPTION "The network that ends the range for this entry. This address is a two octet DDP network address in network byte order. If the network to which this zip entry pertains is a Phase 1 network or a non-extended network, the value for zipZoneNetEnd shall be two bytes of zero." ::= { zipEntry 4 } zipZoneState OBJECT-TYPE SYNTAX INTEGER { valid(1), invalid(2) } ACCESS read-write STATUS mandatory DESCRIPTION "The state of this zip entry. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the zipTable. That is, it effectively disassociates the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive from agents tabular information corresponding to entries not currently in use. Proper interpretation of such entries requires examination of the relevant zipZoneState object." ::= { zipEntry 5 } -- The NBP Group nbpTable OBJECT-TYPE SYNTAX SEQUENCE OF NbpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The table of NBP services registered on this entity." ::= { nbp 1 } nbpEntry OBJECT-TYPE SYNTAX NbpEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "The description of an NBP service registered on this entity." INDEX { nbpIndex } ::= { nbpTable 1 } NbpEntry ::= SEQUENCE { nbpIndex INTEGER, nbpObject OCTET STRING, nbpType OCTET STRING, nbpZone OCTET STRING, nbpState INTEGER } nbpIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "The index of this NBP entry. This value ranges from 1 to the number of NBP entries currently registered on this entity." ::= { nbpEntry 1 } nbpObject OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The name of the service described by this entity." ::= { nbpEntry 2 } nbpType OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The type of the service described by this entity." ::= { nbpEntry 3 } nbpZone OBJECT-TYPE SYNTAX OCTET STRING ACCESS read-write STATUS mandatory DESCRIPTION "The zone the service described by this entity is registered in." ::= { nbpEntry 4 } nbpState OBJECT-TYPE SYNTAX INTEGER { valid(1), invalid(2) } ACCESS read-write STATUS mandatory DESCRIPTION "The state of this NBP entry. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the nbpTable. That is, it effectively disassociates the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive from agents tabular information corresponding to entries not currently in use. Proper interpretation of such entries requires examination of the relevant nbpState object." ::= { nbpEntry 5 } -- The ATEcho Group atechoRequests OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The number of AppleTalk echo requests received." ::= { atecho 1 } atechoReplies OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The number of AppleTalk echo replies sent." ::= { atecho 2 } END