PLANET WGS3-2820 - Manual (Page 328)

User’s Manual of WGS3-2820/WGS3-5220
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▫ Packets Received 1519-1522 Octets - The total number of packets (including bad packets) received that were between
1519 and 1522 octets in length inclusive (excluding framing bits but including FCS octets).
▫ Packets Received > 1522 Octets - The total number of packets received that were longer than 1522 octets (excluding
framing bits, but including FCS octets) and were otherwise well formed.
Packets Received Successfully
▫ Total - The total number of packets received that were without errors.
▫ Unicast Packets Received - The number of subnetwork-unicast packets delivered to a higher-layer protocol.
▫ Multicast Packets Received - 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.
▫ Broadcast Packets Received - The total number of good packets received that were directed to the broadcast address.
Note that this does not include multicast packets.
Packets Received with MAC Errors
▫ Total - The total number of inbound packets that contained errors preventing them from being deliverable to a higher-layer
protocol.
▫ Jabbers Received - 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). Note that this definition of jabber is different than the
definition in IEEE-802.3 section 8.2.1.5 (10BASE5) and section 10.3.1.4 (10BASE2). These documents define jabber as
the condition where any packet exceeds 20 ms. The allowed range to detect jabber is between 20 ms and 150 ms.
▫ Fragments/Undersize Received - The total number of packets received that were less than 64 octets in length
(excluding framing bits but including FCS octets).
▫ Alignment Errors - 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 a bad Frame Check Sequence (FCS) with a non-integral
number of octets.
▫ Rx FCS Errors - 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 a bad Frame Check Sequence (FCS) with an integral number of octets.
▫ Overruns - The total number of frames discarded as this port was overloaded with incoming packets, and could not keep
up with the inflow.
Received Packets not forwarded
▫ 802.3x Pause Frames Received - A count of MAC Control frames received on this interface with an opcode indicating
the PAUSE operation. This counter does not increment when the interface is operating in half-duplex mode.
▫ Unacceptable Frame Type - The number of frames discarded from this port due to being an unacceptable frame type.
▫ VLAN Membership Mismatch - The number of frames discarded on this port due to ingress filtering.
▫ Total - A count of valid frames received which were discarded (i.e. filtered) by the forwarding process.
▫ Local Traffic Frames - The total number of frames dropped in the forwarding process because the destination address
was located off of this port.
▫ VLAN Viable Discards - The number of frames discarded on this port when a lookup on a particular VLAN occurs while
that entry in the VLAN table is being modified, or if the VLAN has not been configured.
▫ Multicast Tree Viable Discards - The number of frames discarded when a lookup in the multicast tree for a VLAN occurs
while that tree is being modified.