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CLI Mode-based Topology Command
Reference
Packets Received 128-255 Octets - The total number of packets (including bad packets)
received that were between 128 and 255 octets in length inclusive (excluding framing bits
but including FCS octets).
Packets Received 256-511 Octets - The total number of packets (including bad packets)
received that were between 256 and 511 octets in length inclusive (excluding framing bits
but including FCS octets).
Packets Received 512-1023 Octets - The total number of packets (including bad packets)
received that were between 512 and 1023 octets in length inclusive (excluding framing bits
but including FCS octets).
Packets Received 1024-1518 Octets - The total number of packets (including bad
packets) received that were between 1024 and 1518 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.
Total Packets Received Without Errors - 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.
Total Packets Received with MAC Errors - 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 Received - The total number of packets received that were less than 64 octets
in length with ERROR CRC(excluding framing bits but including FCS octets).
Undersize Received - The total number of packets received that were less than 64 octets
in length with GOOD CRC(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.