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IPV6-MIB.txt
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IPV6-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE, mib-2, Counter32, Unsigned32, Integer32, Gauge32 FROM SNMPv2-SMI DisplayString, PhysAddress, TruthValue, TimeStamp, VariablePointer, RowPointer FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP FROM SNMPv2-CONF Ipv6IfIndex, Ipv6Address, Ipv6AddressPrefix, Ipv6AddressIfIdentifier, Ipv6IfIndexOrZero FROM IPV6-TC; ipv6MIB MODULE-IDENTITY LAST-UPDATED "9802052155Z" ORGANIZATION "IETF IPv6 Working Group" CONTACT-INFO " Dimitry Haskin Postal: Bay Networks, Inc. 660 Techology Park Drive. Billerica, MA 01821 US Tel: +1-978-916-8124 E-mail: dhaskin@baynetworks.com Steve Onishi Postal: Bay Networks, Inc. 3 Federal Street Billerica, MA 01821 US Tel: +1-978-916-3816 E-mail: sonishi@baynetworks.com" DESCRIPTION "The MIB module for entities implementing the IPv6 protocol." ::= { mib-2 55 } -- the IPv6 general group ipv6MIBObjects OBJECT IDENTIFIER ::= { ipv6MIB 1 } ipv6Forwarding OBJECT-TYPE SYNTAX INTEGER { forwarding(1), -- acting as a router -- NOT acting as notForwarding(2) -- a router } MAX-ACCESS read-write STATUS current DESCRIPTION "The indication of whether this entity is acting as an IPv6 router in respect to the forwarding of datagrams received by, but not addressed to, this entity. IPv6 routers forward datagrams. IPv6 hosts do not (except those source-routed via the host). Note that for some managed nodes, this object may take on only a subset of the values possible. Accordingly, it is appropriate for an agent to return a `wrongValue' response if a management station attempts to change this object to an inappropriate value." ::= { ipv6MIBObjects 1 } ipv6DefaultHopLimit OBJECT-TYPE SYNTAX INTEGER(0..255) MAX-ACCESS read-write STATUS current DESCRIPTION "The default value inserted into the Hop Limit field of the IPv6 header of datagrams originated at this entity, whenever a Hop Limit value is not supplied by the transport layer protocol." DEFVAL { 64 } ::= { ipv6MIBObjects 2 } ipv6Interfaces OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IPv6 interfaces (regardless of their current state) present on this system." ::= { ipv6MIBObjects 3 } ipv6IfTableLastChange OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time of the last insertion or removal of an entry in the ipv6IfTable. If the number of entries has been unchanged since the last re-initialization of the local network management subsystem, then this object contains a zero value." ::= { ipv6MIBObjects 4 } -- the IPv6 Interfaces table ipv6IfTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6IfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv6 Interfaces table contains information on the entity's internetwork-layer interfaces. An IPv6 interface constitutes a logical network layer attachment to the layer immediately below IPv6 including internet layer 'tunnels', such as tunnels over IPv4 or IPv6 itself." ::= { ipv6MIBObjects 5 } ipv6IfEntry OBJECT-TYPE SYNTAX Ipv6IfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An interface entry containing objects about a particular IPv6 interface." INDEX { ipv6IfIndex } ::= { ipv6IfTable 1 } Ipv6IfEntry ::= SEQUENCE { ipv6IfIndex Ipv6IfIndex, ipv6IfDescr DisplayString, ipv6IfLowerLayer VariablePointer, ipv6IfEffectiveMtu Unsigned32, ipv6IfReasmMaxSize Unsigned32, ipv6IfIdentifier Ipv6AddressIfIdentifier, ipv6IfIdentifierLength INTEGER, ipv6IfPhysicalAddress PhysAddress, ipv6IfAdminStatus INTEGER, ipv6IfOperStatus INTEGER, ipv6IfLastChange TimeStamp } ipv6IfIndex OBJECT-TYPE SYNTAX Ipv6IfIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION "A unique non-zero value identifying the particular IPv6 interface." ::= { ipv6IfEntry 1 } ipv6IfDescr OBJECT-TYPE SYNTAX DisplayString MAX-ACCESS read-write STATUS current DESCRIPTION "A textual string containing information about the interface. This string may be set by the network management system." ::= { ipv6IfEntry 2 } ipv6IfLowerLayer OBJECT-TYPE SYNTAX VariablePointer MAX-ACCESS read-only STATUS current DESCRIPTION "This object identifies the protocol layer over which this network interface operates. If this network interface operates over the data-link layer, then the value of this object refers to an instance of ifIndex [6]. If this network interface operates over an IPv4 interface, the value of this object refers to an instance of ipAdEntAddr [3]. If this network interface operates over another IPv6 interface, the value of this object refers to an instance of ipv6IfIndex. If this network interface is not currently operating over an active protocol layer, then the value of this object should be set to the OBJECT ID { 0 0 }." ::= { ipv6IfEntry 3 } ipv6IfEffectiveMtu OBJECT-TYPE SYNTAX Unsigned32 UNITS "octets" MAX-ACCESS read-only STATUS current DESCRIPTION "The size of the largest IPv6 packet which can be sent/received on the interface, specified in octets." ::= { ipv6IfEntry 4 } ipv6IfReasmMaxSize OBJECT-TYPE SYNTAX Unsigned32 (0..65535) UNITS "octets" MAX-ACCESS read-only STATUS current DESCRIPTION "The size of the largest IPv6 datagram which this entity can re-assemble from incoming IPv6 fragmented datagrams received on this interface." ::= { ipv6IfEntry 5 } ipv6IfIdentifier OBJECT-TYPE SYNTAX Ipv6AddressIfIdentifier MAX-ACCESS read-write STATUS current DESCRIPTION "The Interface Identifier for this interface that is (at least) unique on the link this interface is attached to. The Interface Identifier is combined with an address prefix to form an interface address. By default, the Interface Identifier is autoconfigured according to the rules of the link type this interface is attached to." ::= { ipv6IfEntry 6 } ipv6IfIdentifierLength OBJECT-TYPE SYNTAX INTEGER (0..64) UNITS "bits" MAX-ACCESS read-write STATUS current DESCRIPTION "The length of the Interface Identifier in bits." ::= { ipv6IfEntry 7 } ipv6IfPhysicalAddress OBJECT-TYPE SYNTAX PhysAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The interface's physical address. For example, for an IPv6 interface attached to an 802.x link, this object normally contains a MAC address. Note that in some cases this address may differ from the address of the interface's protocol sub-layer. The interface's media-specific MIB must define the bit and byte ordering and the format of the value of this object. For interfaces which do not have such an address (e.g., a serial line), this object should contain an octet string of zero length." ::= { ipv6IfEntry 8 } ipv6IfAdminStatus OBJECT-TYPE SYNTAX INTEGER { up(1), -- ready to pass packets down(2) } MAX-ACCESS read-write STATUS current DESCRIPTION "The desired state of the interface. When a managed system initializes, all IPv6 interfaces start with ipv6IfAdminStatus in the down(2) state. As a result of either explicit management action or per configuration information retained by the managed system, ipv6IfAdminStatus is then changed to the up(1) state (or remains in the down(2) state)." ::= { ipv6IfEntry 9 } ipv6IfOperStatus OBJECT-TYPE SYNTAX INTEGER { up(1), -- ready to pass packets down(2), noIfIdentifier(3), -- no interface identifier -- status can not be -- determined for some unknown(4), -- reason -- some component is notPresent(5) -- missing } MAX-ACCESS read-only STATUS current DESCRIPTION "The current operational state of the interface. The noIfIdentifier(3) state indicates that no valid Interface Identifier is assigned to the interface. This state usually indicates that the link-local interface address failed Duplicate Address Detection. If ipv6IfAdminStatus is down(2) then ipv6IfOperStatus should be down(2). If ipv6IfAdminStatus is changed to up(1) then ipv6IfOperStatus should change to up(1) if the interface is ready to transmit and receive network traffic; it should remain in the down(2) or noIfIdentifier(3) state if and only if there is a fault that prevents it from going to the up(1) state; it should remain in the notPresent(5) state if the interface has missing (typically, lower layer) components." ::= { ipv6IfEntry 10 } ipv6IfLastChange OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time the interface entered its current operational state. If the current state was entered prior to the last re-initialization of the local network management subsystem, then this object contains a zero value." ::= { ipv6IfEntry 11 } -- IPv6 Interface Statistics table ipv6IfStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6IfStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "IPv6 interface traffic statistics." ::= { ipv6MIBObjects 6 } ipv6IfStatsEntry OBJECT-TYPE SYNTAX Ipv6IfStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An interface statistics entry containing objects at a particular IPv6 interface." AUGMENTS { ipv6IfEntry } ::= { ipv6IfStatsTable 1 } Ipv6IfStatsEntry ::= SEQUENCE { ipv6IfStatsInReceives Counter32, ipv6IfStatsInHdrErrors Counter32, ipv6IfStatsInTooBigErrors Counter32, ipv6IfStatsInNoRoutes Counter32, ipv6IfStatsInAddrErrors Counter32, ipv6IfStatsInUnknownProtos Counter32, ipv6IfStatsInTruncatedPkts Counter32, ipv6IfStatsInDiscards Counter32, ipv6IfStatsInDelivers Counter32, ipv6IfStatsOutForwDatagrams Counter32, ipv6IfStatsOutRequests Counter32, ipv6IfStatsOutDiscards Counter32, ipv6IfStatsOutFragOKs Counter32, ipv6IfStatsOutFragFails Counter32, ipv6IfStatsOutFragCreates Counter32, ipv6IfStatsReasmReqds Counter32, ipv6IfStatsReasmOKs Counter32, ipv6IfStatsReasmFails Counter32, ipv6IfStatsInMcastPkts Counter32, ipv6IfStatsOutMcastPkts Counter32 } ipv6IfStatsInReceives OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of input datagrams received by the interface, including those received in error." ::= { ipv6IfStatsEntry 1 } ipv6IfStatsInHdrErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input datagrams discarded due to errors in their IPv6 headers, including version number mismatch, other format errors, hop count exceeded, errors discovered in processing their IPv6 options, etc." ::= { ipv6IfStatsEntry 2 } ipv6IfStatsInTooBigErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input datagrams that could not be forwarded because their size exceeded the link MTU of outgoing interface." ::= { ipv6IfStatsEntry 3 } ipv6IfStatsInNoRoutes OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input datagrams discarded because no route could be found to transmit them to their destination." ::= { ipv6IfStatsEntry 4 } ipv6IfStatsInAddrErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input datagrams discarded because the IPv6 address in their IPv6 header's destination field was not a valid address to be received at this entity. This count includes invalid addresses (e.g., ::0) and unsupported addresses (e.g., addresses with unallocated prefixes). For entities which are not IPv6 routers and therefore do not forward datagrams, this counter includes datagrams discarded because the destination address was not a local address." ::= { ipv6IfStatsEntry 5 } ipv6IfStatsInUnknownProtos OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of locally-addressed datagrams received successfully but discarded because of an unknown or unsupported protocol. This counter is incremented at the interface to which these datagrams were addressed which might not be necessarily the input interface for some of the datagrams." ::= { ipv6IfStatsEntry 6 } ipv6IfStatsInTruncatedPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input datagrams discarded because datagram frame didn't carry enough data." ::= { ipv6IfStatsEntry 7 } ipv6IfStatsInDiscards OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of input IPv6 datagrams for which no problems were encountered to prevent their continued processing, but which were discarded (e.g., for lack of buffer space). Note that this counter does not include any datagrams discarded while awaiting re-assembly." ::= { ipv6IfStatsEntry 8 } ipv6IfStatsInDelivers OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of datagrams successfully delivered to IPv6 user-protocols (including ICMP). This counter is incremented at the interface to which these datagrams were addressed which might not be necessarily the input interface for some of the datagrams." ::= { ipv6IfStatsEntry 9 } ipv6IfStatsOutForwDatagrams OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of output datagrams which this entity received and forwarded to their final destinations. In entities which do not act as IPv6 routers, this counter will include only those packets which were Source-Routed via this entity, and the Source-Route processing was successful. Note that for a successfully forwarded datagram the counter of the outgoing interface is incremented." ::= { ipv6IfStatsEntry 10 } ipv6IfStatsOutRequests OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of IPv6 datagrams which local IPv6 user-protocols (including ICMP) supplied to IPv6 in requests for transmission. Note that this counter does not include any datagrams counted in ipv6IfStatsOutForwDatagrams." ::= { ipv6IfStatsEntry 11 } ipv6IfStatsOutDiscards OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of output IPv6 datagrams for which no problem was encountered to prevent their transmission to their destination, but which were discarded (e.g., for lack of buffer space). Note that this counter would include datagrams counted in ipv6IfStatsOutForwDatagrams if any such packets met this (discretionary) discard criterion." ::= { ipv6IfStatsEntry 12 } ipv6IfStatsOutFragOKs OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IPv6 datagrams that have been successfully fragmented at this output interface." ::= { ipv6IfStatsEntry 13 } ipv6IfStatsOutFragFails OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IPv6 datagrams that have been discarded because they needed to be fragmented at this output interface but could not be." ::= { ipv6IfStatsEntry 14 } ipv6IfStatsOutFragCreates OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of output datagram fragments that have been generated as a result of fragmentation at this output interface." ::= { ipv6IfStatsEntry 15 } ipv6IfStatsReasmReqds OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IPv6 fragments received which needed to be reassembled at this interface. Note that this counter is incremented at the interface to which these fragments were addressed which might not be necessarily the input interface for some of the fragments." ::= { ipv6IfStatsEntry 16 } ipv6IfStatsReasmOKs OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IPv6 datagrams successfully reassembled. Note that this counter is incremented at the interface to which these datagrams were addressed which might not be necessarily the input interface for some of the fragments." ::= { ipv6IfStatsEntry 17 } ipv6IfStatsReasmFails OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of failures detected by the IPv6 re- assembly algorithm (for whatever reason: timed out, errors, etc.). Note that this is not necessarily a count of discarded IPv6 fragments since some algorithms (notably the algorithm in RFC 815) can lose track of the number of fragments by combining them as they are received. This counter is incremented at the interface to which these fragments were addressed which might not be necessarily the input interface for some of the fragments." ::= { ipv6IfStatsEntry 18 } ipv6IfStatsInMcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of multicast packets received by the interface" ::= { ipv6IfStatsEntry 19 } ipv6IfStatsOutMcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of multicast packets transmitted by the interface" ::= { ipv6IfStatsEntry 20 } -- Address Prefix table -- The IPv6 Address Prefix table contains information on -- the entity's IPv6 Address Prefixes that are associated -- with IPv6 interfaces. ipv6AddrPrefixTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6AddrPrefixEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The list of IPv6 address prefixes of IPv6 interfaces." ::= { ipv6MIBObjects 7 } ipv6AddrPrefixEntry OBJECT-TYPE SYNTAX Ipv6AddrPrefixEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An interface entry containing objects of a particular IPv6 address prefix." INDEX { ipv6IfIndex, ipv6AddrPrefix, ipv6AddrPrefixLength } ::= { ipv6AddrPrefixTable 1 } Ipv6AddrPrefixEntry ::= SEQUENCE { ipv6AddrPrefix Ipv6AddressPrefix, ipv6AddrPrefixLength INTEGER (0..128), ipv6AddrPrefixOnLinkFlag TruthValue, ipv6AddrPrefixAutonomousFlag TruthValue, ipv6AddrPrefixAdvPreferredLifetime Unsigned32, ipv6AddrPrefixAdvValidLifetime Unsigned32 } ipv6AddrPrefix OBJECT-TYPE SYNTAX Ipv6AddressPrefix MAX-ACCESS not-accessible STATUS current DESCRIPTION "The prefix associated with the this interface." ::= { ipv6AddrPrefixEntry 1 } ipv6AddrPrefixLength OBJECT-TYPE SYNTAX INTEGER (0..128) UNITS "bits" MAX-ACCESS not-accessible STATUS current DESCRIPTION "The length of the prefix (in bits)." ::= { ipv6AddrPrefixEntry 2 } ipv6AddrPrefixOnLinkFlag OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object has the value 'true(1)', if this prefix can be used for on-link determination and the value 'false(2)' otherwise." ::= { ipv6AddrPrefixEntry 3 } ipv6AddrPrefixAutonomousFlag OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "Autonomous address configuration flag. When true(1), indicates that this prefix can be used for autonomous address configuration (i.e. can be used to form a local interface address). If false(2), it is not used to autoconfigure a local interface address." ::= { ipv6AddrPrefixEntry 4 } ipv6AddrPrefixAdvPreferredLifetime OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "It is the length of time in seconds that this prefix will remain preferred, i.e. time until deprecation. A value of 4,294,967,295 represents infinity. The address generated from a deprecated prefix should no longer be used as a source address in new communications, but packets received on such an interface are processed as expected." ::= { ipv6AddrPrefixEntry 5 } ipv6AddrPrefixAdvValidLifetime OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "It is the length of time in seconds that this prefix will remain valid, i.e. time until invalidation. A value of 4,294,967,295 represents infinity. The address generated from an invalidated prefix should not appear as the destination or source address of a packet." ::= { ipv6AddrPrefixEntry 6 } -- the IPv6 Address table -- The IPv6 address table contains this node's IPv6 -- addressing information. ipv6AddrTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6AddrEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The table of addressing information relevant to this node's interface addresses." ::= { ipv6MIBObjects 8 } ipv6AddrEntry OBJECT-TYPE SYNTAX Ipv6AddrEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The addressing information for one of this node's interface addresses." INDEX { ipv6IfIndex, ipv6AddrAddress } ::= { ipv6AddrTable 1 } Ipv6AddrEntry ::= SEQUENCE { ipv6AddrAddress Ipv6Address, ipv6AddrPfxLength INTEGER, ipv6AddrType INTEGER, ipv6AddrAnycastFlag TruthValue, ipv6AddrStatus INTEGER } ipv6AddrAddress OBJECT-TYPE SYNTAX Ipv6Address MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv6 address to which this entry's addressing information pertains." ::= { ipv6AddrEntry 1 } ipv6AddrPfxLength OBJECT-TYPE SYNTAX INTEGER(0..128) UNITS "bits" MAX-ACCESS read-only STATUS current DESCRIPTION "The length of the prefix (in bits) associated with the IPv6 address of this entry." ::= { ipv6AddrEntry 2 } ipv6AddrType OBJECT-TYPE SYNTAX INTEGER { -- address has been formed -- using stateless stateless(1), -- autoconfiguration -- address has been acquired -- by stateful means -- (e.g. DHCPv6, manual stateful(2), -- configuration) -- type can not be determined unknown(3) -- for some reason. } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of address. Note that 'stateless(1)' refers to an address that was statelessly autoconfigured; 'stateful(2)' refers to a address which was acquired by via a stateful protocol (e.g. DHCPv6, manual configuration)." ::= { ipv6AddrEntry 3 } ipv6AddrAnycastFlag OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object has the value 'true(1)', if this address is an anycast address and the value 'false(2)' otherwise." ::= { ipv6AddrEntry 4 } ipv6AddrStatus OBJECT-TYPE SYNTAX INTEGER { preferred(1), deprecated(2), invalid(3), inaccessible(4), unknown(5) -- status can not be determined -- for some reason. } MAX-ACCESS read-only STATUS current DESCRIPTION "Address status. The preferred(1) state indicates that this is a valid address that can appear as the destination or source address of a packet. The deprecated(2) state indicates that this is a valid but deprecated address that should no longer be used as a source address in new communications, but packets addressed to such an address are processed as expected. The invalid(3) state indicates that this is not valid address which should not appear as the destination or source address of a packet. The inaccessible(4) state indicates that the address is not accessible because the interface to which this address is assigned is not operational." ::= { ipv6AddrEntry 5 } -- IPv6 Routing objects ipv6RouteNumber OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of current ipv6RouteTable entries. This is primarily to avoid having to read the table in order to determine this number." ::= { ipv6MIBObjects 9 } ipv6DiscardedRoutes OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of routing entries which were chosen to be discarded even though they are valid. One possible reason for discarding such an entry could be to free-up buffer space for other routing entries." ::= { ipv6MIBObjects 10 } -- IPv6 Routing table ipv6RouteTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6RouteEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "IPv6 Routing table. This table contains an entry for each valid IPv6 unicast route that can be used for packet forwarding determination." ::= { ipv6MIBObjects 11 } ipv6RouteEntry OBJECT-TYPE SYNTAX Ipv6RouteEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A routing entry." INDEX { ipv6RouteDest, ipv6RoutePfxLength, ipv6RouteIndex } ::= { ipv6RouteTable 1 } Ipv6RouteEntry ::= SEQUENCE { ipv6RouteDest Ipv6Address, ipv6RoutePfxLength INTEGER, ipv6RouteIndex Unsigned32, ipv6RouteIfIndex Ipv6IfIndexOrZero, ipv6RouteNextHop Ipv6Address, ipv6RouteType INTEGER, ipv6RouteProtocol INTEGER, ipv6RoutePolicy Integer32, ipv6RouteAge Unsigned32, ipv6RouteNextHopRDI Unsigned32, ipv6RouteMetric Unsigned32, ipv6RouteWeight Unsigned32, ipv6RouteInfo RowPointer, ipv6RouteValid TruthValue } ipv6RouteDest OBJECT-TYPE SYNTAX Ipv6Address MAX-ACCESS not-accessible STATUS current DESCRIPTION "The destination IPv6 address of this route. This object may not take a Multicast address value." ::= { ipv6RouteEntry 1 } ipv6RoutePfxLength OBJECT-TYPE SYNTAX INTEGER(0..128) UNITS "bits" MAX-ACCESS not-accessible STATUS current DESCRIPTION "Indicates the prefix length of the destination address." ::= { ipv6RouteEntry 2 } ipv6RouteIndex OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS not-accessible STATUS current DESCRIPTION "The value which uniquely identifies the route among the routes to the same network layer destination. The way this value is chosen is implementation specific but it must be unique for ipv6RouteDest/ipv6RoutePfxLength pair and remain constant for the life of the route." ::= { ipv6RouteEntry 3 } ipv6RouteIfIndex OBJECT-TYPE SYNTAX Ipv6IfIndexOrZero MAX-ACCESS read-only STATUS current DESCRIPTION "The index value which uniquely identifies the local interface through which the next hop of this route should be reached. The interface identified by a particular value of this index is the same interface as identified by the same value of ipv6IfIndex. For routes of the discard type this value can be zero." ::= { ipv6RouteEntry 4 } ipv6RouteNextHop OBJECT-TYPE SYNTAX Ipv6Address MAX-ACCESS read-only STATUS current DESCRIPTION "On remote routes, the address of the next system en route; otherwise, ::0 ('00000000000000000000000000000000'H in ASN.1 string representation)." ::= { ipv6RouteEntry 5 } ipv6RouteType OBJECT-TYPE SYNTAX INTEGER { other(1), -- none of the following -- an route indicating that -- packets to destinations -- matching this route are discard(2), -- to be discarded -- route to directly local(3), -- connected (sub-)network -- route to a remote remote(4) -- destination } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of route. Note that 'local(3)' refers to a route for which the next hop is the final destination; 'remote(4)' refers to a route for which the next hop is not the final destination; 'discard(2)' refers to a route indicating that packets to destinations matching this route are to be discarded (sometimes called black-hole route)." ::= { ipv6RouteEntry 6 } ipv6RouteProtocol OBJECT-TYPE SYNTAX INTEGER { other(1), -- none of the following -- non-protocol information, -- e.g., manually configured local(2), -- entries netmgmt(3), -- static route -- obtained via Neighbor -- Discovery protocol, ndisc(4), -- e.g., result of Redirect -- the following are all -- dynamic routing protocols rip(5), -- RIPng ospf(6), -- Open Shortest Path First bgp(7), -- Border Gateway Protocol idrp(8), -- InterDomain Routing Protocol igrp(9) -- InterGateway Routing Protocol } MAX-ACCESS read-only STATUS current DESCRIPTION "The routing mechanism via which this route was learned." ::= { ipv6RouteEntry 7 } ipv6RoutePolicy OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The general set of conditions that would cause the selection of one multipath route (set of next hops for a given destination) is referred to as 'policy'. Unless the mechanism indicated by ipv6RouteProtocol specified otherwise, the policy specifier is the 8-bit Traffic Class field of the IPv6 packet header that is zero extended at the left to a 32-bit value. Protocols defining 'policy' otherwise must either define a set of values which are valid for this object or must implement an integer- instanced policy table for which this object's value acts as an index." ::= { ipv6RouteEntry 8 } ipv6RouteAge OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The number of seconds since this route was last updated or otherwise determined to be correct. Note that no semantics of `too old' can be implied except through knowledge of the routing protocol by which the route was learned." ::= { ipv6RouteEntry 9 } ipv6RouteNextHopRDI OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The Routing Domain ID of the Next Hop. The semantics of this object are determined by the routing-protocol specified in the route's ipv6RouteProtocol value. When this object is unknown or not relevant its value should be set to zero." ::= { ipv6RouteEntry 10 } ipv6RouteMetric OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The routing metric for this route. The semantics of this metric are determined by the routing protocol specified in the route's ipv6RouteProtocol value. When this is unknown or not relevant to the protocol indicated by ipv6RouteProtocol, the object value should be set to its maximum value (4,294,967,295)." ::= { ipv6RouteEntry 11 } ipv6RouteWeight OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The system internal weight value for this route. The semantics of this value are determined by the implementation specific rules. Generally, within routes with the same ipv6RoutePolicy value, the lower the weight value the more preferred is the route." ::= { ipv6RouteEntry 12 } ipv6RouteInfo OBJECT-TYPE SYNTAX RowPointer MAX-ACCESS read-only STATUS current DESCRIPTION "A reference to MIB definitions specific to the particular routing protocol which is responsible for this route, as determined by the value specified in the route's ipv6RouteProto value. If this information is not present, its value should be set to the OBJECT ID { 0 0 }, which is a syntactically valid object identifier, and any implementation conforming to ASN.1 and the Basic Encoding Rules must be able to generate and recognize this value." ::= { ipv6RouteEntry 13 } ipv6RouteValid OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-write STATUS current DESCRIPTION "Setting this object to the value 'false(2)' has the effect of invalidating the corresponding entry in the ipv6RouteTable object. That is, it effectively disassociates the destination identified with said entry from the route 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 tabular information from agents that corresponds to entries not currently in use. Proper interpretation of such entries requires examination of the relevant ipv6RouteValid object." DEFVAL { true } ::= { ipv6RouteEntry 14 } -- IPv6 Address Translation table ipv6NetToMediaTable OBJECT-TYPE SYNTAX SEQUENCE OF Ipv6NetToMediaEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv6 Address Translation table used for mapping from IPv6 addresses to physical addresses. The IPv6 address translation table contain the Ipv6Address to `physical' address equivalencies. Some interfaces do not use translation tables for determining address equivalencies; if all interfaces are of this type, then the Address Translation table is empty, i.e., has zero entries." ::= { ipv6MIBObjects 12 } ipv6NetToMediaEntry OBJECT-TYPE SYNTAX Ipv6NetToMediaEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry contains one IPv6 address to `physical' address equivalence." INDEX { ipv6IfIndex, ipv6NetToMediaNetAddress } ::= { ipv6NetToMediaTable 1 } Ipv6NetToMediaEntry ::= SEQUENCE { ipv6NetToMediaNetAddress Ipv6Address, ipv6NetToMediaPhysAddress PhysAddress, ipv6NetToMediaType INTEGER, ipv6IfNetToMediaState INTEGER, ipv6IfNetToMediaLastUpdated TimeStamp, ipv6NetToMediaValid TruthValue } ipv6NetToMediaNetAddress OBJECT-TYPE SYNTAX Ipv6Address MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv6 Address corresponding to the media-dependent `physical' address." ::= { ipv6NetToMediaEntry 1 } ipv6NetToMediaPhysAddress OBJECT-TYPE SYNTAX PhysAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The media-dependent `physical' address." ::= { ipv6NetToMediaEntry 2 } ipv6NetToMediaType OBJECT-TYPE SYNTAX INTEGER { other(1), -- none of the following dynamic(2), -- dynamically resolved static(3), -- statically configured local(4) -- local interface } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of the mapping. The 'dynamic(2)' type indicates that the IPv6 address to physical addresses mapping has been dynamically resolved using the IPv6 Neighbor Discovery protocol. The static(3)' types indicates that the mapping has been statically configured. The local(4) indicates that the mapping is provided for an entity's own interface address." ::= { ipv6NetToMediaEntry 3 } ipv6IfNetToMediaState OBJECT-TYPE SYNTAX INTEGER { reachable(1), -- confirmed reachability stale(2), -- unconfirmed reachability delay(3), -- waiting for reachability -- confirmation before entering -- the probe state probe(4), -- actively probing invalid(5), -- an invalidated mapping unknown(6) -- state can not be determined -- for some reason. } MAX-ACCESS read-only STATUS current DESCRIPTION "The Neighbor Unreachability Detection [8] state for the interface when the address mapping in this entry is used." ::= { ipv6NetToMediaEntry 4 } ipv6IfNetToMediaLastUpdated OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time this entry was last updated. If this entry was updated prior to the last re-initialization of the local network management subsystem, then this object contains a zero value." ::= { ipv6NetToMediaEntry 5 } ipv6NetToMediaValid OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-write STATUS current DESCRIPTION "Setting this object to the value 'false(2)' has the effect of invalidating the corresponding entry in the ipv6NetToMediaTable. That is, it effectively disassociates the interface identified with said entry from 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 tabular information from agents that corresponds to entries not currently in use. Proper interpretation of such entries requires examination of the relevant ipv6NetToMediaValid object." DEFVAL { true } ::= { ipv6NetToMediaEntry 6 } -- definition of IPv6-related notifications. -- Note that we need ipv6NotificationPrefix with the 0 -- sub-identifier to make this MIB to translate to -- an SNMPv1 format in a reversible way. For example -- it is needed for proxies that convert SNMPv1 traps -- to SNMPv2 notifications without MIB knowledge. ipv6Notifications OBJECT IDENTIFIER ::= { ipv6MIB 2 } ipv6NotificationPrefix OBJECT IDENTIFIER ::= { ipv6Notifications 0 } ipv6IfStateChange NOTIFICATION-TYPE OBJECTS { ipv6IfDescr, ipv6IfOperStatus -- the new state of the If. } STATUS current DESCRIPTION "An ipv6IfStateChange notification signifies that there has been a change in the state of an ipv6 interface. This notification should be generated when the interface's operational status transitions to or from the up(1) state." ::= { ipv6NotificationPrefix 1 } -- conformance information ipv6Conformance OBJECT IDENTIFIER ::= { ipv6MIB 3 } ipv6Compliances OBJECT IDENTIFIER ::= { ipv6Conformance 1 } ipv6Groups OBJECT IDENTIFIER ::= { ipv6Conformance 2 } -- compliance statements ipv6Compliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for SNMPv2 entities which implement ipv6 MIB." MODULE -- this module MANDATORY-GROUPS { ipv6GeneralGroup, ipv6NotificationGroup } OBJECT ipv6Forwarding MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6DefaultHopLimit MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6IfDescr MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6IfIdentifier MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6IfIdentifierLength MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6IfAdminStatus MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6RouteValid MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" OBJECT ipv6NetToMediaValid MIN-ACCESS read-only DESCRIPTION "An agent is not required to provide write access to this object" ::= { ipv6Compliances 1 } ipv6GeneralGroup OBJECT-GROUP OBJECTS { ipv6Forwarding, ipv6DefaultHopLimit, ipv6Interfaces, ipv6IfTableLastChange, ipv6IfDescr, ipv6IfLowerLayer, ipv6IfEffectiveMtu, ipv6IfReasmMaxSize, ipv6IfIdentifier, ipv6IfIdentifierLength, ipv6IfPhysicalAddress, ipv6IfAdminStatus, ipv6IfOperStatus, ipv6IfLastChange, ipv6IfStatsInReceives, ipv6IfStatsInHdrErrors, ipv6IfStatsInTooBigErrors, ipv6IfStatsInNoRoutes, ipv6IfStatsInAddrErrors, ipv6IfStatsInUnknownProtos, ipv6IfStatsInTruncatedPkts, ipv6IfStatsInDiscards, ipv6IfStatsInDelivers, ipv6IfStatsOutForwDatagrams, ipv6IfStatsOutRequests, ipv6IfStatsOutDiscards, ipv6IfStatsOutFragOKs, ipv6IfStatsOutFragFails, ipv6IfStatsOutFragCreates, ipv6IfStatsReasmReqds, ipv6IfStatsReasmOKs, ipv6IfStatsReasmFails, ipv6IfStatsInMcastPkts, ipv6IfStatsOutMcastPkts, ipv6AddrPrefixOnLinkFlag, ipv6AddrPrefixAutonomousFlag, ipv6AddrPrefixAdvPreferredLifetime, ipv6AddrPrefixAdvValidLifetime, ipv6AddrPfxLength, ipv6AddrType, ipv6AddrAnycastFlag, ipv6AddrStatus, ipv6RouteNumber, ipv6DiscardedRoutes, ipv6RouteIfIndex, ipv6RouteNextHop, ipv6RouteType, ipv6RouteProtocol, ipv6RoutePolicy, ipv6RouteAge, ipv6RouteNextHopRDI, ipv6RouteMetric, ipv6RouteWeight, ipv6RouteInfo, ipv6RouteValid, ipv6NetToMediaPhysAddress, ipv6NetToMediaType, ipv6IfNetToMediaState, ipv6IfNetToMediaLastUpdated, ipv6NetToMediaValid } STATUS current DESCRIPTION "The IPv6 group of objects providing for basic management of IPv6 entities." ::= { ipv6Groups 1 } ipv6NotificationGroup NOTIFICATION-GROUP NOTIFICATIONS { ipv6IfStateChange } STATUS current DESCRIPTION "The notification that an IPv6 entity is required to implement." ::= { ipv6Groups 2 } END
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