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Monitoring the Hotwire DSLAM
5-5
8000-A2-GB26-10
January 1999
Table 5-2. Physical Layer Options (2 of 6)
Ethernet Stats (Ethernet Statistics) B-B-B
Displays a list of the Ethernet statistics of the LAN port (e1a).
The counters increment in real time and you may press Ctrl-r at any time to reset the
counters.
Port – Type of port (e1a).
Initialized Ethernet Ports – e1a (There is only one other net port on the card).
LAN Address – LAN (or MAC) address of the Ethernet port.
Bytes received – Number of bytes received by the Ethernet port since the last reset.
Bytes transmitted – Number of bytes transmitted by the Ethernet port since the last
reset.
Packets received – Number of packets received by the Ethernet port since the last
reset and what type.
H Multicast – Single packets copied to a specific subset of network addresses.
H Broadcasts – Messages sent to all network destinations.
H Flooded – Information received, then sent out to each of the interfaces.
H Filtered – Processes or devices that screen incoming information.
H Discarded – Packets discarded.
H VNID Error – Number of errors transmitted by the VNID and what type.
Errors – Number of errors transmitted by the Ethernet port and what type.
H M = Multi-collision frames – not counted in this release and always set to 0.
H L = Late collisions – collision detected often; at least 64 bytes have been
transmitted.
H E = Excessive collisions – port tried to send a packet 15 times without success.
H Overruns – No buffer space.
H Bad CRC – Cyclic Redundancy Check.
H Framing – Receiver improperly interprets set of bits within frame.
H Jumbo gram – Ethernet packet too long.
H Overflow – Part of traffic that is not carried.
H Buffer – No buffer space.
Fast restarts – Number of fast restarts and what type (RX off, TX off, Mem err).
Endless Pkt – Number of endless packets received on the Ethernet port.
Startless Pkt – Number of startless packets received on the Ethernet port.
Babble – Number of garbled packets received due to crosstalk.