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David T Perkins writes:
David> Is there available a set of test MIB modules that demonstrate David> the operation of Smidiff?
There are some test modules but they are not 100 % complete. We also use some IETF MIB revisions as (regression) test cases. For details, see the files in test/smidiff in the source distribution. Below is the output generated if you compare the IF-MIB in RFC 1573 with the IF-MIB in RFC 2863. (Note that smidiff does not check compliance definitions yet.)
/js
../../mibs/ietf/IF-MIB:16 contact of `IF-MIB' changed ./IF-MIB.old:18 previous definition of `IF-MIB' ../../mibs/ietf/IF-MIB:35 revision `2000-06-14 00:00' added ../../mibs/ietf/IF-MIB:39 revision `1996-02-28 21:55' added ../../mibs/ietf/IF-MIB:60 legal status change from `current' to `deprecated' for `OwnerString' ./IF-MIB.old:52 previous definition of `OwnerString' ../../mibs/ietf/IF-MIB:79 range `(1..2147483647)' added to type `InterfaceIndex' ../../mibs/ietf/IF-MIB:93 type `InterfaceIndexOrZero' has been added ../../mibs/ietf/IF-MIB:185 range `(1..2147483647)' added to type used in `ifIndex' ../../mibs/ietf/IF-MIB:250 description of `ifPhysAddress' changed ./IF-MIB.old:220 previous definition of `ifPhysAddress' ../../mibs/ietf/IF-MIB:285 named number `notPresent' added to type used in `ifOperStatus' ../../mibs/ietf/IF-MIB:285 named number `lowerLayerDown' added to type used in `ifOperStatus' ../../mibs/ietf/IF-MIB:285 description of `ifOperStatus' changed ./IF-MIB.old:253 previous definition of `ifOperStatus' ../../mibs/ietf/IF-MIB:327 description of `ifInOctets' changed ./IF-MIB.old:293 previous definition of `ifInOctets' ../../mibs/ietf/IF-MIB:343 description of `ifInUcastPkts' changed ./IF-MIB.old:302 previous definition of `ifInUcastPkts' ../../mibs/ietf/IF-MIB:358 description of `ifInNUcastPkts' changed ./IF-MIB.old:312 previous definition of `ifInNUcastPkts' ../../mibs/ietf/IF-MIB:376 description of `ifInDiscards' changed ./IF-MIB.old:326 previous definition of `ifInDiscards' ../../mibs/ietf/IF-MIB:395 description of `ifInErrors' changed ./IF-MIB.old:338 previous definition of `ifInErrors' ../../mibs/ietf/IF-MIB:413 description of `ifInUnknownProtos' changed ./IF-MIB.old:352 previous definition of `ifInUnknownProtos' ../../mibs/ietf/IF-MIB:435 description of `ifOutOctets' changed ./IF-MIB.old:370 previous definition of `ifOutOctets' ../../mibs/ietf/IF-MIB:449 description of `ifOutUcastPkts' changed ./IF-MIB.old:379 previous definition of `ifOutUcastPkts' ../../mibs/ietf/IF-MIB:465 description of `ifOutNUcastPkts' changed ./IF-MIB.old:392 previous definition of `ifOutNUcastPkts' ../../mibs/ietf/IF-MIB:485 description of `ifOutDiscards' changed ./IF-MIB.old:407 previous definition of `ifOutDiscards' ../../mibs/ietf/IF-MIB:501 description of `ifOutErrors' changed ./IF-MIB.old:420 previous definition of `ifOutErrors' ../../mibs/ietf/IF-MIB:526 description of `ifSpecific' changed ./IF-MIB.old:440 previous definition of `ifSpecific' ../../mibs/ietf/IF-MIB:599 description of `ifName' changed ./IF-MIB.old:509 previous definition of `ifName' ../../mibs/ietf/IF-MIB:621 description of `ifInMulticastPkts' changed ./IF-MIB.old:530 previous definition of `ifInMulticastPkts' ../../mibs/ietf/IF-MIB:639 description of `ifInBroadcastPkts' changed ./IF-MIB.old:542 previous definition of `ifInBroadcastPkts' ../../mibs/ietf/IF-MIB:654 description of `ifOutMulticastPkts' changed ./IF-MIB.old:552 previous definition of `ifOutMulticastPkts' ../../mibs/ietf/IF-MIB:671 description of `ifOutBroadcastPkts' changed ./IF-MIB.old:565 previous definition of `ifOutBroadcastPkts' ../../mibs/ietf/IF-MIB:697 description of `ifHCInOctets' changed ./IF-MIB.old:587 previous definition of `ifHCInOctets' ../../mibs/ietf/IF-MIB:712 description of `ifHCInUcastPkts' changed ./IF-MIB.old:597 previous definition of `ifHCInUcastPkts' ../../mibs/ietf/IF-MIB:728 description of `ifHCInMulticastPkts' changed ./IF-MIB.old:608 previous definition of `ifHCInMulticastPkts' ../../mibs/ietf/IF-MIB:747 description of `ifHCInBroadcastPkts' changed ./IF-MIB.old:623 previous definition of `ifHCInBroadcastPkts' ../../mibs/ietf/IF-MIB:763 description of `ifHCOutOctets' changed ./IF-MIB.old:634 previous definition of `ifHCOutOctets' ../../mibs/ietf/IF-MIB:778 description of `ifHCOutUcastPkts' changed ./IF-MIB.old:644 previous definition of `ifHCOutUcastPkts' ../../mibs/ietf/IF-MIB:797 description of `ifHCOutMulticastPkts' changed ./IF-MIB.old:657 previous definition of `ifHCOutMulticastPkts' ../../mibs/ietf/IF-MIB:815 description of `ifHCOutBroadcastPkts' changed ./IF-MIB.old:673 previous definition of `ifHCOutBroadcastPkts' ../../mibs/ietf/IF-MIB:947 description of `ifStackTable' changed ./IF-MIB.old:752 previous definition of `ifStackTable' ../../mibs/ietf/IF-MIB:1002 range `(0..2147483647)' added to type used in `ifStackHigherLayer' ../../mibs/ietf/IF-MIB:1015 range `(0..2147483647)' added to type used in `ifStackLowerLayer' ../../mibs/ietf/IF-MIB:1440 legal status change from `current' to `deprecated' for `ifTestTable' ./IF-MIB.old:846 previous definition of `ifTestTable' ../../mibs/ietf/IF-MIB:1572 legal status change from `current' to `deprecated' for `ifTestEntry' ./IF-MIB.old:984 previous definition of `ifTestEntry' ../../mibs/ietf/IF-MIB:1594 legal status change from `current' to `deprecated' for `ifTestId' ./IF-MIB.old:1004 previous definition of `ifTestId' ../../mibs/ietf/IF-MIB:1603 legal status change from `current' to `deprecated' for `ifTestStatus' ./IF-MIB.old:1013 previous definition of `ifTestStatus' ../../mibs/ietf/IF-MIB:1616 legal status change from `current' to `deprecated' for `ifTestType' ./IF-MIB.old:1029 previous definition of `ifTestType' ../../mibs/ietf/IF-MIB:1644 legal status change from `current' to `deprecated' for `ifTestResult' ./IF-MIB.old:1058 previous definition of `ifTestResult' ../../mibs/ietf/IF-MIB:1665 legal status change from `current' to `deprecated' for `ifTestCode' ./IF-MIB.old:1081 previous definition of `ifTestCode' ../../mibs/ietf/IF-MIB:1665 description of `ifTestCode' changed ./IF-MIB.old:1081 previous definition of `ifTestCode' ../../mibs/ietf/IF-MIB:1685 legal status change from `current' to `deprecated' for `ifTestOwner' ./IF-MIB.old:1101 previous definition of `ifTestOwner' ../../mibs/ietf/IF-MIB:1070 description of `ifRcvAddressTable' changed ./IF-MIB.old:1123 previous definition of `ifRcvAddressTable' ../../mibs/ietf/IF-MIB:1112 access of `ifRcvAddressAddress' changed from `read write' to `not accessible' ./IF-MIB.old:1163 previous definition of `ifRcvAddressAddress' ../../mibs/ietf/IF-MIB:892 column `ifAlias' has been added ../../mibs/ietf/IF-MIB:924 column `ifCounterDiscontinuityTime' has been added ../../mibs/ietf/IF-MIB:117 scalar `ifTableLastChange' has been added ../../mibs/ietf/IF-MIB:1045 scalar `ifStackLastChange' has been added ../../mibs/ietf/IF-MIB:1211 description of `linkDown' changed ./IF-MIB.old:1157 previous definition of `linkDown' ../../mibs/ietf/IF-MIB:1223 description of `linkUp' changed ./IF-MIB.old:1169 previous definition of `linkUp' ../../mibs/ietf/IF-MIB:1697 legal status change from `current' to `deprecated' for `ifGeneralGroup' ./IF-MIB.old:1326 previous definition of `ifGeneralGroup' ../../mibs/ietf/IF-MIB:1697 description of `ifGeneralGroup' changed ./IF-MIB.old:1326 previous definition of `ifGeneralGroup' ../../mibs/ietf/IF-MIB:1315 description of `ifFixedLengthGroup' changed ./IF-MIB.old:1340 previous definition of `ifFixedLengthGroup' ../../mibs/ietf/IF-MIB:1340 description of `ifPacketGroup' changed ./IF-MIB.old:1364 previous definition of `ifPacketGroup' ../../mibs/ietf/IF-MIB:1709 legal status change from `current' to `deprecated' for `ifTestGroup' ./IF-MIB.old:1428 previous definition of `ifTestGroup' ../../mibs/ietf/IF-MIB:1719 legal status change from `current' to `deprecated' for `ifStackGroup' ./IF-MIB.old:1437 previous definition of `ifStackGroup' ../../mibs/ietf/IF-MIB:1719 description of `ifStackGroup' changed ./IF-MIB.old:1437 previous definition of `ifStackGroup' ../../mibs/ietf/IF-MIB:1300 group `ifGeneralInformationGroup' has been added ../../mibs/ietf/IF-MIB:1402 group `ifStackGroup2' has been added ../../mibs/ietf/IF-MIB:1728 group `ifOldObjectsGroup' has been added ../../mibs/ietf/IF-MIB:1410 group `ifCounterDiscontinuityGroup' has been added ../../mibs/ietf/IF-MIB:1418 group `linkUpDownNotificationsGroup' has been added -- !! 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