6F8C0904
175
7.5 RAS Information Readout
7
(d) MIB_TCP ••• TCP protocol information
Reads out 10 words of data using RAS information readout.
Segment:
The TCP header and TCP data block in an IP datagram (see Figure 7-1).
(e) MIB_UDP ••• UDP protocol information
Reads out 4 words of data using RAS information readout.
UDP datagrams: The UDP header and UDP data block in an IP datagram (see Figure 7-
1).
(f) MIB_ICMP ••• ICMP protocol information
Reads out 5 words of data using RAS information readout.
Table 7-5 MIB_TCP
Symbol
Description
MIB_TCP [0]
Maximum retransmission timeout time (in milli-seconds)
MIB_TCP [1]
Number of active open connections
MIB_TCP [2]
Number of passive open connections
MIB_TCP [3]
Number of times the connection open failed
MIB_TCP [4]
Number of connections currently established
MIB_TCP [5]
Number of segments received
MIB_TCP [6]
Number of segments transmitted
MIB_TCP [7]
Number of segments retransmitted
MIB_TCP [8]
Number of segments discarded due to format errors
MIB_TCP [9]
Number of generated resets
Table 7-6 MIB_UDP
Symbol
Description
MIB_UDP [0]
Number of UDP datagrams transferred upstream
MIB_UDP [1]
Number of UDP datagrams addressed to unused ports
MIB_UDP [2]
Number of UDP datagrams discarded due to format errors
MIB_UDP [3]
Number of UDP datagrams transferred from upstream
Table 7-7 MIB_ICMP
Symbol
Description
MIB_ICMP [0]
Number of ICMP messages received
MIB_ICMP [1]
Number of ICMP messages assumed to be having ICMP specific errors
MIB_ICMP [2]
Total number of ICMP messages transmitted
MIB_ICMP [3]
Reserved
MIB_ICMP [4]
Reserved
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