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Octets
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The total number of octets of data (including those in bad packets) received on the network (excluding framing bits but including FCS octets). You can use this object as a reasonable estimate of Ethernet utilization. For greater precision, sample the etherStatsPkts and etherStatsOctets objects before and after a common interval.
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Pkts
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The total number of packets (including bad packets, broadcast packets, and multicast packets) received.
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BroadcastPkts
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The total number of good packets received that were directed to the broadcast address. Note that this does not include multicast packets.
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MulticastPkts
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The total number of good packets received that were directed to a multicast address. Note that this number does not include packets directed to the broadcast address.
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CRCAlignErrors
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The total number of packets received that had a length (excluding framing bits, but including FCS octets) of between 64 and 1518 octets, inclusive, but had either a bad Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS with a nonintegral number of octets (Alignment Error).
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UndersizePkts
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The total number of packets received that were less than 64 octets long (excluding framing bits but including FCS octets) and were otherwise well formed.
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OversizePkts
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The total number of packets received that were longer than 1518 octets (excluding framing bits but including FCS octets) and were otherwise well formed.
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Fragments
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The total number of packets received that were less than 64 octets in length (excluding framing bits but including FCS octets) and had either a bad Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS with a nonintegral number of octets (Alignment Error). It is entirely normal for etherStatsFragments to increment because it counts both runts (which are normal occurrences due to collisions) and noise hits.
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Collisions
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The best estimate of the total number of collisions on this Ethernet segment.
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Jabbers
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The total number of packets received that were longer than 1518 octets (excluding framing bits, but including FCS octets), and had either a bad Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS with a non-integral number of octets (Alignment Error). Jabber is defined as the condition where any packet exceeds 20 ms. The allowed range to detect jabber is between 20 ms and 150 ms.
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<=64
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The total number of packets (including bad packets) received that were less than or equal to 64 octets in length (excluding framing bits but including FCS octets).
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65 - 127
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The total number of packets (including bad packets) received that were greater than 64 octets in length (excluding framing bits but including FCS octets).
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128 - 255
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The total number of packets (including bad packets) received that were greater than 127 octets in length (excluding framing bits but including FCS octets).
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256 - 511
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The total number of packets (including bad packets) received that were greater than 255 octets in length (excluding framing bits but including FCSoctets).
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512 - 1023
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The total number of packets (including bad packets) received that were greater than 511 octets in length (excluding framing bits but including FCS octets).
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>1023
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The total number of packets (including bad packets) received that were greater than 1023 octets in length (excluding framing bits but including FCS octets).
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