2007年3月11日 星期日

SNMP MIB Description

~~~~~SNMP MIB Description~~~~~

in discards
The number of inbound packets which were chosen to bediscarded even though no errors had been detected to preventtheir being deliverable to a higher-layer protocol. Onepossible reason for discarding such a packet could be tofree up buffer space.
Discontinuities in the value of this counter can occur atre-initialization of the management system, and at othertimes as indicated by the value of ifCounterDiscontinuityTime.

in error
For packet-oriented interfaces, the number of inboundpackets that contained errors preventing them from beingdeliverable to a higher-layer protocol. For character-oriented or fixed-length interfaces, the number of inboundtransmission units that contained errors preventing themfrom being deliverable to a higher-layer protocol.
Discontinuities in the value of this counter can occur atre-initialization of the management system, and at othertimes as indicated by the value of ifCounterDiscontinuityTime.

IN-UcastPkts By upstream
The number of packets, delivered by this sub-layer to ahigher (sub-)layer, which were not addressed to a multicastor broadcast address at this sub-layer.
Discontinuities in the value of this counter can occur atre-initialization of the management system, and at othertimes as indicated by the value of ifCounterDiscontinuityTime.

OUT-UcastPkts By downstream
The total number of packets that higher-level protocolsrequested be transmitted, and which were not addressed to amulticast or broadcast address at this sub-layer, includingthose that were discarded or not sent.
Discontinuities in the value of this counter can occur atre-initialization of the management system, and at othertimes as indicated by the value of ifCounterDiscontinuityTime.

SNMP-Pkts By CMTSIN
The total number of Messages delivered to theSNMP entity from the transport service.

SNMP-Badname By CMTS
The total number of SNMP Messages delivered tothe SNMP protocol entity which used a SNMPcommunity name not known to said entity.

SNMP Uncorrectable By upstream
Codewords received on this channel with uncorrectableerrors. This includes all codewords, whether or notthey were part of frames destined for this device.

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