IPV6-MLD-MIB DEFINITIONS ::= BEGIN

IMPORTS
	MODULE-IDENTITY,
	OBJECT-TYPE,
	Counter32,
	Gauge32,
	Unsigned32,
	TimeTicks,
	mib-2
		FROM SNMPv2-SMI
	RowStatus,
	TruthValue
		FROM SNMPv2-TC
	InetAddressIPv6
		FROM INET-ADDRESS-MIB
	InterfaceIndex,
	InterfaceIndexOrZero
		FROM IF-MIB
	MODULE-COMPLIANCE,
	OBJECT-GROUP
		FROM SNMPv2-CONF;

mldMIB MODULE-IDENTITY
	LAST-UPDATED "200101250000Z"	-- Jan 25, 2001 12:00:00 AM
	ORGANIZATION "IETF IPNGWG Working Group."
	CONTACT-INFO
		"Brian Haberman
		Nortel Networks
		4309 Emperor Blvd.
		Durham, NC  27703
		USA

		Phone: +1 919 992 4439
		e-mail: haberman@nortelnetworks.com"
	DESCRIPTION
		"The MIB module for MLD Management."
	REVISION "200101250000Z"	-- Jan 25, 2001 12:00:00 AM
	DESCRIPTION
		"Initial version, published as RFC 3019."
	-- 1.3.6.1.2.1.91
	::= { mib-2 91 }


mldMIBObjects OBJECT IDENTIFIER 
	-- 1.3.6.1.2.1.91.1
	::= { mldMIB 1 }

--
--  The MLD Interface Table
--

mldInterfaceTable OBJECT-TYPE
	SYNTAX  SEQUENCE OF MldInterfaceEntry
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"The (conceptual) table listing the interfaces on which
		MLD is enabled."
	-- 1.3.6.1.2.1.91.1.1
	::= { mldMIBObjects 1 }


mldInterfaceEntry OBJECT-TYPE
	SYNTAX  MldInterfaceEntry
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"An entry (conceptual row) representing an interface on
		which MLD is enabled."
	INDEX {
		mldInterfaceIfIndex }
	-- 1.3.6.1.2.1.91.1.1.1
	::= { mldInterfaceTable 1 }


MldInterfaceEntry ::= SEQUENCE {

	mldInterfaceIfIndex               InterfaceIndex,
	mldInterfaceQueryInterval         Unsigned32,
	mldInterfaceStatus                RowStatus,
	mldInterfaceVersion               Unsigned32,
	mldInterfaceQuerier               InetAddressIPv6,
	mldInterfaceQueryMaxResponseDelay Unsigned32,
	mldInterfaceJoins                 Counter32,
	mldInterfaceGroups                Gauge32,
	mldInterfaceRobustness            Unsigned32,
	mldInterfaceLastListenQueryIntvl  Unsigned32,
	mldInterfaceProxyIfIndex          InterfaceIndexOrZero,
	mldInterfaceQuerierUpTime         TimeTicks,
	mldInterfaceQuerierExpiryTime     TimeTicks }


mldInterfaceIfIndex OBJECT-TYPE
	SYNTAX  InterfaceIndex
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"The internetwork-layer interface value of the interface
		for which MLD is enabled."
	-- 1.3.6.1.2.1.91.1.1.1.1
	::= { mldInterfaceEntry 1 }


mldInterfaceQueryInterval OBJECT-TYPE
	SYNTAX  Unsigned32
	UNITS	"seconds"
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The frequency at which MLD Host-Query packets are
		transmitted on this interface."
	DEFVAL { 125 }
	-- 1.3.6.1.2.1.91.1.1.1.2
	::= { mldInterfaceEntry 2 }


mldInterfaceStatus OBJECT-TYPE
	SYNTAX  RowStatus
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The activation of a row enables MLD on the interface.
		The destruction of a row disables MLD on the interface."
	-- 1.3.6.1.2.1.91.1.1.1.3
	::= { mldInterfaceEntry 3 }


mldInterfaceVersion OBJECT-TYPE
	SYNTAX  Unsigned32
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The version of MLD which is running on this interface.
		This object is a place holder to allow for new versions
		of MLD to be introduced.  Version 1 of MLD is defined
		in RFC 2710."
	DEFVAL { 1 }
	-- 1.3.6.1.2.1.91.1.1.1.4
	::= { mldInterfaceEntry 4 }


mldInterfaceQuerier OBJECT-TYPE
	SYNTAX  InetAddressIPv6 (SIZE (16))
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The address of the MLD Querier on the IPv6 subnet to
		which this interface is attached."
	-- 1.3.6.1.2.1.91.1.1.1.5
	::= { mldInterfaceEntry 5 }


mldInterfaceQueryMaxResponseDelay OBJECT-TYPE
	SYNTAX  Unsigned32
	UNITS	"seconds"
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The maximum query response time advertised in MLD
		queries on this interface."
	DEFVAL { 10 }
	-- 1.3.6.1.2.1.91.1.1.1.6
	::= { mldInterfaceEntry 6 }


mldInterfaceJoins OBJECT-TYPE
	SYNTAX  Counter32
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The number of times a group membership has been added on
		this interface; that is, the number of times an entry for
		this interface has been added to the Cache Table.  This
		object gives an indication of the amount of MLD activity
		over time."
	-- 1.3.6.1.2.1.91.1.1.1.7
	::= { mldInterfaceEntry 7 }


mldInterfaceGroups OBJECT-TYPE
	SYNTAX  Gauge32
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The current number of entries for this interface in the
		Cache Table."
	-- 1.3.6.1.2.1.91.1.1.1.8
	::= { mldInterfaceEntry 8 }


mldInterfaceRobustness OBJECT-TYPE
	SYNTAX  Unsigned32
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The Robustness Variable allows tuning for the expected
		packet loss on a subnet.  If a subnet is expected to be
		lossy, the Robustness Variable may be increased.  MLD is
		robust to (Robustness Variable-1) packet losses.  The
		discussion of the Robustness Variable is in Section 7.1
		of RFC 2710."
	DEFVAL { 2 }
	-- 1.3.6.1.2.1.91.1.1.1.9
	::= { mldInterfaceEntry 9 }


mldInterfaceLastListenQueryIntvl OBJECT-TYPE
	SYNTAX  Unsigned32
	UNITS	"seconds"
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The Last Member Query Interval is the Max Response
		Delay inserted into Group-Specific Queries sent in
		response to Leave Group messages, and is also the amount
		of time between Group-Specific Query messages.  This
		value may be tuned to modify the leave latency of the
		network.  A reduced value results in reduced time to
		detect the loss of the last member of a group."
	DEFVAL { 1 }
	-- 1.3.6.1.2.1.91.1.1.1.10
	::= { mldInterfaceEntry 10 }


mldInterfaceProxyIfIndex OBJECT-TYPE
	SYNTAX  InterfaceIndexOrZero
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"Some devices implement a form of MLD proxying whereby
		memberships learned on the interface represented by this
		row, cause MLD Multicast Listener Reports to be sent on
		the internetwork-layer interface identified by this
		object.  Such a device would implement mldRouterMIBGroup
		only on its router interfaces (those interfaces with
		non-zero mldInterfaceProxyIfIndex).  Typically, the
		value of this object is 0, indicating that no proxying
		is being done."
	DEFVAL { 0 }
	-- 1.3.6.1.2.1.91.1.1.1.11
	::= { mldInterfaceEntry 11 }


mldInterfaceQuerierUpTime OBJECT-TYPE
	SYNTAX  TimeTicks
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The time since mldInterfaceQuerier was last changed."
	-- 1.3.6.1.2.1.91.1.1.1.12
	::= { mldInterfaceEntry 12 }


mldInterfaceQuerierExpiryTime OBJECT-TYPE
	SYNTAX  TimeTicks
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The time remaining before the Other Querier Present
		Timer expires.  If the local system is the querier,
		the value of this object is zero."
	-- 1.3.6.1.2.1.91.1.1.1.13
	::= { mldInterfaceEntry 13 }


--
--  The MLD Cache Table
--

mldCacheTable OBJECT-TYPE
	SYNTAX  SEQUENCE OF MldCacheEntry
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"The (conceptual) table listing the IPv6 multicast





		groups for which there are members on a particular
		interface."
	-- 1.3.6.1.2.1.91.1.2
	::= { mldMIBObjects 2 }


mldCacheEntry OBJECT-TYPE
	SYNTAX  MldCacheEntry
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"An entry (conceptual row) in the mldCacheTable."
	INDEX {
		mldCacheAddress,
		mldCacheIfIndex }
	-- 1.3.6.1.2.1.91.1.2.1
	::= { mldCacheTable 1 }


MldCacheEntry ::= SEQUENCE {

	mldCacheAddress      InetAddressIPv6,
	mldCacheIfIndex      InterfaceIndex,
	mldCacheSelf         TruthValue,
	mldCacheLastReporter InetAddressIPv6,
	mldCacheUpTime       TimeTicks,
	mldCacheExpiryTime   TimeTicks,
	mldCacheStatus       RowStatus }


mldCacheAddress OBJECT-TYPE
	SYNTAX  InetAddressIPv6 (SIZE (16))
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"The IPv6 multicast group address for which this entry
		contains information."
	-- 1.3.6.1.2.1.91.1.2.1.1
	::= { mldCacheEntry 1 }


mldCacheIfIndex OBJECT-TYPE
	SYNTAX  InterfaceIndex
	MAX-ACCESS not-accessible
	STATUS  current
	DESCRIPTION
		"The internetwork-layer interface for which this entry
		contains information for an IPv6 multicast group
		address."
	-- 1.3.6.1.2.1.91.1.2.1.2
	::= { mldCacheEntry 2 }


mldCacheSelf OBJECT-TYPE
	SYNTAX  TruthValue
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"An indication of whether the local system is a member of





		this group address on this interface."
	DEFVAL { true }
	-- 1.3.6.1.2.1.91.1.2.1.3
	::= { mldCacheEntry 3 }


mldCacheLastReporter OBJECT-TYPE
	SYNTAX  InetAddressIPv6 (SIZE (16))
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The IPv6 address of the source of the last membership
		report received for this IPv6 Multicast group address on
		this interface.  If no membership report has been
		received, this object has the value 0::0."
	-- 1.3.6.1.2.1.91.1.2.1.4
	::= { mldCacheEntry 4 }


mldCacheUpTime OBJECT-TYPE
	SYNTAX  TimeTicks
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The time elapsed since this entry was created."
	-- 1.3.6.1.2.1.91.1.2.1.5
	::= { mldCacheEntry 5 }


mldCacheExpiryTime OBJECT-TYPE
	SYNTAX  TimeTicks
	MAX-ACCESS read-only
	STATUS  current
	DESCRIPTION
		"The minimum amount of time remaining before this entry
		will be aged out.  A value of 0 indicates that the entry
		is only present because mldCacheSelf is true and that if
		the router left the group, this entry would be aged out
		immediately.  Note that some implementations may process
		Membership Reports from the local system in the same way
		as reports from other hosts, so a value of 0 is not
		required."
	-- 1.3.6.1.2.1.91.1.2.1.6
	::= { mldCacheEntry 6 }


mldCacheStatus OBJECT-TYPE
	SYNTAX  RowStatus
	MAX-ACCESS read-create
	STATUS  current
	DESCRIPTION
		"The status of this row, by which new entries may be
		created, or existing entries deleted from this table."
	-- 1.3.6.1.2.1.91.1.2.1.7
	::= { mldCacheEntry 7 }


-- conformance information

mldMIBConformance OBJECT IDENTIFIER 
	-- 1.3.6.1.2.1.91.2
	::= { mldMIB 2 }

mldMIBCompliances OBJECT IDENTIFIER 
	-- 1.3.6.1.2.1.91.2.1
	::= { mldMIBConformance 1 }

mldMIBGroups OBJECT IDENTIFIER 
	-- 1.3.6.1.2.1.91.2.2
	::= { mldMIBConformance 2 }


-- compliance statements

mldHostMIBCompliance MODULE-COMPLIANCE
	STATUS  current
	DESCRIPTION
		"The compliance statement for hosts running MLD and
		implementing the MLD MIB."

	MODULE 
	MANDATORY-GROUPS {
			mldBaseMIBGroup,
			mldHostMIBGroup }

	OBJECT mldInterfaceStatus
	  MIN-ACCESS read-only
	  DESCRIPTION 
		"Write access is not required."
	-- 1.3.6.1.2.1.91.2.1.1
	::= { mldMIBCompliances 1 }


mldRouterMIBCompliance MODULE-COMPLIANCE
	STATUS  current
	DESCRIPTION
		"The compliance statement for routers running MLD and
		implementing the MLD MIB."

	MODULE 
	MANDATORY-GROUPS {
			mldBaseMIBGroup,
			mldRouterMIBGroup }

	OBJECT mldInterfaceStatus
	  MIN-ACCESS read-only
	  DESCRIPTION 
		"Write access is not required."
	-- 1.3.6.1.2.1.91.2.1.2
	::= { mldMIBCompliances 2 }

-- units of conformance

mldBaseMIBGroup OBJECT-GROUP
	OBJECTS {
		mldCacheSelf,
		mldCacheStatus,
		mldInterfaceStatus }
	STATUS  current
	DESCRIPTION
		"The basic collection of objects providing management of
		MLD.  The mldBaseMIBGroup is designed to allow for the
		manager creation and deletion of MLD cache entries."
	-- 1.3.6.1.2.1.91.2.2.1
	::= { mldMIBGroups 1 }

mldRouterMIBGroup OBJECT-GROUP
	OBJECTS {
		mldCacheUpTime,
		mldCacheExpiryTime,
		mldInterfaceQueryInterval,
		mldInterfaceJoins,
		mldInterfaceGroups,
		mldCacheLastReporter,
		mldInterfaceQuerierUpTime,
		mldInterfaceQuerierExpiryTime,
		mldInterfaceQuerier,
		mldInterfaceVersion,
		mldInterfaceQueryMaxResponseDelay,
		mldInterfaceRobustness,
		mldInterfaceLastListenQueryIntvl }
	STATUS  current
	DESCRIPTION
		"A collection of additional objects for management of MLD
		in routers."
	-- 1.3.6.1.2.1.91.2.2.2
	::= { mldMIBGroups 2 }

mldHostMIBGroup OBJECT-GROUP
	OBJECTS {
		mldInterfaceQuerier }
	STATUS  current
	DESCRIPTION
		"A collection of additional objects for management of MLD
		in hosts."
	-- 1.3.6.1.2.1.91.2.2.3
	::= { mldMIBGroups 3 }

mldProxyMIBGroup OBJECT-GROUP
	OBJECTS {
		mldInterfaceProxyIfIndex }
	STATUS  current
	DESCRIPTION
		"A collection of additional objects for management of MLD
		proxy devices."
	-- 1.3.6.1.2.1.91.2.2.4
	::= { mldMIBGroups 4 }

END
