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Table 47 ICMP Statistics
Statistic Description
icmpOutParmProbs The number of ICMP Parameter Problem messages sent.
icmpInSrcQuenchs The number of ICMP Source Quench (buffer almost full, stop sending data) messages
received.
icmpOutSrcQuenchs The number of ICMP Source Quench (buffer almost full, stop sending data) messages
sent.
icmpInRedirects The number of ICMP Redirect messages received.
icmpOutRedirects The number of ICMP Redirect messages sent. For a host, this object will always be zero,
since hosts do not send redirects.
icmpInEchos The number of ICMP Echo (request) messages received.
icmpOutEchos The number of ICMP Echo (request) messages sent.
icmpInEchoReps The number of ICMP Echo Reply messages received.
icmpOutEchoReps The number of ICMP Echo Reply messages sent.
icmpInTimestamps The number of ICMP Timestamp (request) messages received.
icmpOutTimestamps The number of ICMP Timestamp (request) messages sent.
icmpInTimestampReps The number of ICMP Timestamp Reply messages received.
icmpOutTimestampReps The number of ICMP Timestamp Reply messages sent.
icmpInAddrMasks The number of ICMP Address Mask Request messages received.
icmpOutAddrMasks The number of ICMP Address Mask Request messages sent.
icmpInAddrMaskReps The number of ICMP Address Mask Reply messages received.
icmpOutAddrMaskReps The number of ICMP Address Mask Reply messages sent.
TCP statistics are described in the following table:
Table 48 TCP Statistics
Statistic Description
tcpInSegs The total number of segments received, including those received in error. This count
includes segments received on currently established connections.
tcpOutSegs The total number of segments sent, including those on current connections, but excluding
those containing only retransmitted octets.
tcpRtoAlgorithm The algorithm used to determine the timeout value used for retransmitting
unacknowledged octets.
tcpMaxConn The limit on the total number of TCP connections the entity (the switch) can support. In
entities where the maximum number of connections is dynamic, this object should
contain the value -1.
tcpRtoMin The minimum value permitted by a TCP implementation for the retransmission timeout,
measured in milliseconds. More refined semantics for objects of this type depend upon
the algorithm used to determine the retransmission timeout. In particular, when the
timeout algorithm is rsre (3), an object of this type has the semantics of the LBOUND
quantity described in RFC 793.
tcpRtoMax The maximum value permitted by a TCP implementation for the retransmission timeout,
measured in milliseconds. More refined semantics for objects of this type depend upon
the algorithm used to determine the retransmission timeout. In particular, when the
timeout algorithm is rsre (3), an object of this type has the semantics of the UBOUND
quantity described in RFC 793.
tcpActiveOpens The number of times TCP connections have made a direct transition to the SYN-SENT
state from the CLOSED state.
tcpPassiveOpens The number of times TCP connections have made a direct transition to the SYN-RCVD
state from the LISTEN state.
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