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6 F 3 B 0 3 6 2
f. RAS information details
(1) RAS counters...........................LAN controller (line) information
Reads out 128 words of data using RAS information readout.
Table 7.2 RAS Counters
Symbol Description
RAS_CNT [0] Normal reception count
RAS_CNT [1] Bus read error (reception buffer read failure) count
RAS_CNT [2] Remote reset packet reception count
(Packets whose Ethernet header type was set to 0900H.)
RAS_CNT [3] Short packet (packet length under 60 bytes) reception count
RAS_CNT [4] Alignment error (The number of bits in the received data was not divisible by 8.) count
RAS_CNT [5] CRC error (received packet CRC check error) count
RAS_CNT [6] Overflow (Incoming packets discarded due to full receive buffer.) count
RAS_CNT [7] Remaining registers unused
RAS_CNT [8] •
•
•
•
•
•
•
RAS_CNT [127] •
(2) MIB information: MIB_IF.......LAN controller interface information
Reads out 13 words of data using RAS information readout.
Table 7.3 MIB_IF
Symbol Description
MIB_IF [0] It is possible to use the interface number in this system
MIB_IF [1] Reserved
MIB_IF [2] Lower level layer of IP with interface type of protocol
MIB_IF [3] Progress of time with changing states by the interface
MIB_IF [4] Total number of octets (bytes) received by the interface
MIB_IF [5] Number of non-broadcast/non-multicast packets transferred upstream
MIB_IF [6] Number of broadcast/multicast packets transferred upstream
MIB_IF [7] Number of packets discarded due to reception resource limitation
MIB_IF [8] Number of packets discarded due to format errors
MIB_IF [9] Number of packets sent to an undefined protocol
MIB_IF [10] Total number of octets sent by the interface
MIB_IF [11] Number of packets from upstream that were not broadcast or multicast packets
MIB_IF [12] Number of packets from upstream that were broadcast or multicast packets
Packet: A unit of data flowing on the transmission path. (See figure 7.1.)