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A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

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SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

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An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

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iso/org/dod/internet/private/enterprises/.2011/.6/hwDslamNtv/hwDslamNtvMVLANTable/hwDslamNtvMVLANEntry/hwDslamNtvMVLANProgramMask49

hwDslamNtvMVLANProgramMask49

OBJECT-TYPE

1.3.6.1.4.1.2011.6.28.76.1.97

Access

read-only

Status

current

Source

HUAWEI-DSLAM-NTV-MIB

Sub-identifiers

Description

Indicates the program mask of a multicast VLAN. It indicates the 128 multicast programs after the preceding leaf. The bit meanings are the same as the preceding leaf.

Syntax

BITS { program6145(0), program6146(1), program6147(2), program6148(3), program6149(4), program6150(5), program6151(6), program6152(7), program6153(8), program6154(9), program6155(10), program6156(11), program6157(12), program6158(13), program6159(14), program6160(15), program6161(16), program6162(17), program6163(18), program6164(19), program6165(20), program6166(21), program6167(22), program6168(23), program6169(24), program6170(25), program6171(26), program6172(27), program6173(28), program6174(29), program6175(30), program6176(31), program6177(32), program6178(33), program6179(34), program6180(35), program6181(36), program6182(37), program6183(38), program6184(39), program6185(40), program6186(41), program6187(42), program6188(43), program6189(44), program6190(45), program6191(46), program6192(47), program6193(48), program6194(49), program6195(50), program6196(51), program6197(52), program6198(53), program6199(54), program6200(55), program6201(56), program6202(57), program6203(58), program6204(59), program6205(60), program6206(61), program6207(62), program6208(63), program6209(64), program6210(65), program6211(66), program6212(67), program6213(68), program6214(69), program6215(70), program6216(71), program6217(72), program6218(73), program6219(74), program6220(75), program6221(76), program6222(77), program6223(78), program6224(79), program6225(80), program6226(81), program6227(82), program6228(83), program6229(84), program6230(85), program6231(86), program6232(87), program6233(88), program6234(89), program6235(90), program6236(91), program6237(92), program6238(93), program6239(94), program6240(95), program6241(96), program6242(97), program6243(98), program6244(99), program6245(100), program6246(101), program6247(102), program6248(103), program6249(104), program6250(105), program6251(106), program6252(107), program6253(108), program6254(109), program6255(110), program6256(111), program6257(112), program6258(113), program6259(114), program6260(115), program6261(116), program6262(117), program6263(118), program6264(119), program6265(120), program6266(121), program6267(122), program6268(123), program6269(124), program6270(125), program6271(126), program6272(127) }