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IGMP-STD-MIB
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IGMP-STD-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, mib-2, Counter32, Gauge32, Unsigned32, IpAddress, TimeTicks FROM SNMPv2-SMI RowStatus, TruthValue FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF InterfaceIndexOrZero, InterfaceIndex FROM IF-MIB; igmpStdMIB MODULE-IDENTITY LAST-UPDATED "200009280000Z" -- September 28, 2000 ORGANIZATION "IETF IDMR Working Group." CONTACT-INFO " Dave Thaler Microsoft Corporation One Microsoft Way Redmond, WA 98052-6399 US Phone: +1 425 703 8835 EMail: dthaler@microsoft.com" DESCRIPTION "The MIB module for IGMP Management." REVISION "200009280000Z" -- September 28, 2000 DESCRIPTION "Initial version, published as RFC 2933." ::= { mib-2 85 } igmpMIBObjects OBJECT IDENTIFIER ::= { igmpStdMIB 1 } -- -- The IGMP Interface Table -- igmpInterfaceTable OBJECT-TYPE SYNTAX SEQUENCE OF IgmpInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing the interfaces on which IGMP is enabled." ::= { igmpMIBObjects 1 } igmpInterfaceEntry OBJECT-TYPE SYNTAX IgmpInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) representing an interface on which IGMP is enabled." INDEX { igmpInterfaceIfIndex } ::= { igmpInterfaceTable 1 } IgmpInterfaceEntry ::= SEQUENCE { igmpInterfaceIfIndex InterfaceIndex, igmpInterfaceQueryInterval Unsigned32, igmpInterfaceStatus RowStatus, igmpInterfaceVersion Unsigned32, igmpInterfaceQuerier IpAddress, igmpInterfaceQueryMaxResponseTime Unsigned32, igmpInterfaceQuerierUpTime TimeTicks, igmpInterfaceQuerierExpiryTime TimeTicks, igmpInterfaceVersion1QuerierTimer TimeTicks, igmpInterfaceWrongVersionQueries Counter32, igmpInterfaceJoins Counter32, igmpInterfaceProxyIfIndex InterfaceIndexOrZero, igmpInterfaceGroups Gauge32, igmpInterfaceRobustness Unsigned32, igmpInterfaceLastMembQueryIntvl Unsigned32 } igmpInterfaceIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION "The ifIndex value of the interface for which IGMP is enabled." ::= { igmpInterfaceEntry 1 } igmpInterfaceQueryInterval OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The frequency at which IGMP Host-Query packets are transmitted on this interface." DEFVAL { 125 } ::= { igmpInterfaceEntry 2 } igmpInterfaceStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The activation of a row enables IGMP on the interface. The destruction of a row disables IGMP on the interface." ::= { igmpInterfaceEntry 3 } igmpInterfaceVersion OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "The version of IGMP which is running on this interface. This object can be used to configure a router capable of running either value. For IGMP to function correctly, all routers on a LAN must be configured to run the same version of IGMP on that LAN." DEFVAL { 2 } ::= { igmpInterfaceEntry 4 } igmpInterfaceQuerier OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The address of the IGMP Querier on the IP subnet to which this interface is attached." ::= { igmpInterfaceEntry 5 } igmpInterfaceQueryMaxResponseTime OBJECT-TYPE SYNTAX Unsigned32 (0..255) UNITS "tenths of seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The maximum query response time advertised in IGMPv2 queries on this interface." DEFVAL { 100 } ::= { igmpInterfaceEntry 6 } igmpInterfaceQuerierUpTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time since igmpInterfaceQuerier was last changed." ::= { igmpInterfaceEntry 7 } igmpInterfaceQuerierExpiryTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The amount of time remaining before the Other Querier Present Timer expires. If the local system is the querier, the value of this object is zero." ::= { igmpInterfaceEntry 8 } igmpInterfaceVersion1QuerierTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time remaining until the host assumes that there are no IGMPv1 routers present on the interface. While this is non- zero, the host will reply to all queries with version 1 membership reports." ::= { igmpInterfaceEntry 9 } igmpInterfaceWrongVersionQueries OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of queries received whose IGMP version does not match igmpInterfaceVersion, over the lifetime of the row entry. IGMP requires that all routers on a LAN be configured to run the same version of IGMP. Thus, if any queries are received with the wrong version, this indicates a configuration error." ::= { igmpInterfaceEntry 10 } igmpInterfaceJoins 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 IGMP activity over the lifetime of the row entry." ::= { igmpInterfaceEntry 11 } igmpInterfaceProxyIfIndex OBJECT-TYPE SYNTAX InterfaceIndexOrZero MAX-ACCESS read-create STATUS current DESCRIPTION "Some devices implement a form of IGMP proxying whereby memberships learned on the interface represented by this row, cause IGMP Host Membership Reports to be sent on the interface whose ifIndex value is given by this object. Such a device would implement the igmpV2RouterMIBGroup only on its router interfaces (those interfaces with non-zero igmpInterfaceProxyIfIndex). Typically, the value of this object is 0, indicating that no proxying is being done." DEFVAL { 0 } ::= { igmpInterfaceEntry 12 } igmpInterfaceGroups OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The current number of entries for this interface in the Cache Table." ::= { igmpInterfaceEntry 13 } igmpInterfaceRobustness OBJECT-TYPE SYNTAX Unsigned32 (1..255) 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. IGMP is robust to (Robustness Variable-1) packet losses." DEFVAL { 2 } ::= { igmpInterfaceEntry 14 } igmpInterfaceLastMembQueryIntvl OBJECT-TYPE SYNTAX Unsigned32 (0..255) UNITS "tenths of seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The Last Member Query Interval is the Max Response Time 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. The value of this object is irrelevant if igmpInterfaceVersion is 1." DEFVAL { 10 } ::= { igmpInterfaceEntry 15 } -- -- The IGMP Cache Table -- igmpCacheTable OBJECT-TYPE SYNTAX SEQUENCE OF IgmpCacheEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing the IP multicast groups for which there are members on a particular interface." ::= { igmpMIBObjects 2 } igmpCacheEntry OBJECT-TYPE SYNTAX IgmpCacheEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the igmpCacheTable." INDEX { igmpCacheAddress, igmpCacheIfIndex } ::= { igmpCacheTable 1 } IgmpCacheEntry ::= SEQUENCE { igmpCacheAddress IpAddress, igmpCacheIfIndex InterfaceIndex, igmpCacheSelf TruthValue, igmpCacheLastReporter IpAddress, igmpCacheUpTime TimeTicks, igmpCacheExpiryTime TimeTicks, igmpCacheStatus RowStatus, igmpCacheVersion1HostTimer TimeTicks } igmpCacheAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP multicast group address for which this entry contains information." ::= { igmpCacheEntry 1 } igmpCacheIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION "The interface for which this entry contains information for an IP multicast group address." ::= { igmpCacheEntry 2 } igmpCacheSelf 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 } ::= { igmpCacheEntry 3 } igmpCacheLastReporter OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of the source of the last membership report received for this IP Multicast group address on this interface. If no membership report has been received, this object has the value 0.0.0.0." ::= { igmpCacheEntry 4 } igmpCacheUpTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time elapsed since this entry was created." ::= { igmpCacheEntry 5 } igmpCacheExpiryTime 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 igmpCacheSelf 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." ::= { igmpCacheEntry 6 } igmpCacheStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this entry." ::= { igmpCacheEntry 7 } igmpCacheVersion1HostTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time remaining until the local router will assume that there are no longer any IGMP version 1 members on the IP subnet attached to this interface. Upon hearing any IGMPv1 Membership Report, this value is reset to the group membership timer. While this time remaining is non-zero, the local router ignores any IGMPv2 Leave messages for this group that it receives on this interface." ::= { igmpCacheEntry 8 } -- conformance information igmpMIBConformance OBJECT IDENTIFIER ::= { igmpStdMIB 2 } igmpMIBCompliances OBJECT IDENTIFIER ::= { igmpMIBConformance 1 } igmpMIBGroups OBJECT IDENTIFIER ::= { igmpMIBConformance 2 } -- compliance statements igmpV1HostMIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for hosts running IGMPv1 and implementing the IGMP MIB." MODULE -- this module MANDATORY-GROUPS { igmpBaseMIBGroup } OBJECT igmpInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT igmpCacheStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { igmpMIBCompliances 1 } igmpV1RouterMIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for routers running IGMPv1 and implementing the IGMP MIB." MODULE -- this module MANDATORY-GROUPS { igmpBaseMIBGroup, igmpRouterMIBGroup } OBJECT igmpInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT igmpCacheStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { igmpMIBCompliances 2 } igmpV2HostMIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for hosts running IGMPv2 and implementing the IGMP MIB." MODULE -- this module MANDATORY-GROUPS { igmpBaseMIBGroup, igmpV2HostMIBGroup } OBJECT igmpInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT igmpCacheStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { igmpMIBCompliances 3 } igmpV2RouterMIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for routers running IGMPv2 and implementing the IGMP MIB." MODULE -- this module MANDATORY-GROUPS { igmpBaseMIBGroup, igmpRouterMIBGroup, igmpV2RouterMIBGroup } OBJECT igmpInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT igmpCacheStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { igmpMIBCompliances 4 } -- units of conformance igmpBaseMIBGroup OBJECT-GROUP OBJECTS { igmpCacheSelf, igmpCacheStatus, igmpInterfaceStatus } STATUS current DESCRIPTION "The basic collection of objects providing management of IGMP version 1 or 2." ::= { igmpMIBGroups 1 } igmpRouterMIBGroup OBJECT-GROUP OBJECTS { igmpCacheUpTime, igmpCacheExpiryTime, igmpInterfaceJoins, igmpInterfaceGroups, igmpCacheLastReporter, igmpInterfaceQuerierUpTime, igmpInterfaceQuerierExpiryTime, igmpInterfaceQueryInterval } STATUS current DESCRIPTION "A collection of additional objects for management of IGMP version 1 or 2 in routers." ::= { igmpMIBGroups 2 } igmpV2HostMIBGroup OBJECT-GROUP OBJECTS { igmpInterfaceVersion1QuerierTimer } STATUS current DESCRIPTION "A collection of additional objects for management of IGMP version 2 in hosts." ::= { igmpMIBGroups 3 } igmpHostOptMIBGroup OBJECT-GROUP OBJECTS { igmpCacheLastReporter, igmpInterfaceQuerier } STATUS current DESCRIPTION "A collection of optional objects for IGMP hosts. Supporting this group can be especially useful in an environment with a router which does not support the IGMP MIB." ::= { igmpMIBGroups 4 } igmpV2RouterMIBGroup OBJECT-GROUP OBJECTS { igmpInterfaceVersion, igmpInterfaceQuerier, igmpInterfaceQueryMaxResponseTime, igmpInterfaceRobustness, igmpInterfaceWrongVersionQueries, igmpInterfaceLastMembQueryIntvl, igmpCacheVersion1HostTimer } STATUS current DESCRIPTION "A collection of additional objects for management of IGMP version 2 in routers." ::= { igmpMIBGroups 5 } igmpV2ProxyMIBGroup OBJECT-GROUP OBJECTS { igmpInterfaceProxyIfIndex } STATUS current DESCRIPTION "A collection of additional objects for management of IGMP proxy devices." ::= { igmpMIBGroups 6 } END