HP GbE2c HP GbE2c Ethernet Blade Switch for c-Class BladeSystem ISCLI Referenc - Page 67

TCP statistics, show ip tcp counters

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Table 58 ICMP statistics Statistics icmpOutTimestamps icmpOutTimestampReps icmpOutAddrMasks icmpOutAddrMaskReps Description The number of ICMP Timestamp (request) messages sent. The number of ICMP Timestamp Reply messages sent. The number of ICMP Address Mask Request messages sent. The number of ICMP Address Mask Reply messages sent. TCP statistics The following command displays TCP statistics: show ip tcp counters Command mode: All except User EXEC TCP statistics: tcpRtoAlgorithm: tcpRtoMax: tcpActiveOpens: tcpAttemptFails: tcpInSegs: tcpRetransSegs: tcpCurBuff: tcpOutRsts: 4 240000 252214 528 756401 0 0 417 tcpRtoMin: tcpMaxConn: tcpPassiveOpens: tcpEstabResets: tcpOutSegs: tcpInErrs: tcpCurConn: 0 512 7 4 756655 0 3 The following table describes the Transmission Control Protocol (TCP) statistics: Table 59 TCP statistics Statistics Description tcpRtoAlgorithm tcpRtoMin tcpRtoMax tcpMaxConn tcpActiveOpens tcpPassiveOpens tcpAttemptFails tcpEstabResets tcpInSegs tcpOutSegs The algorithm used to determine the timeout value used for retransmitting unacknowledged octets. 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 Request For Comments (RFC) 793. 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. The limit on the total number of TCP connections the switch can support. In entities where the maximum number of connections is dynamic, this object should contain the value -1. The number of times TCP connections have made a direct transition to the SYN-SENT state from the CLOSED state. The number of times TCP connections have made a direct transition to the SYN-RCVD state from the LISTEN state. The number of times TCP connections have made a direct transition to the CLOSED state from either the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP connections have made a direct transition to the LISTEN state from the SYN-RCVD state. The number of times TCP connections have made a direct transition to the CLOSED state from either the ESTABLISHED state or the CLOSE- WAIT state. The total number of segments received, including those received in error. This count includes segments received on currently established connections. The total number of segments sent, including those on current connections but excluding those containing only retransmitted octets. Statistics commands 67

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Statistics commands 67
Table 58
ICMP statistics
Statistics
Description
icmpOutTimestamps
The number of ICMP Timestamp (request) messages sent.
icmpOutTimestampReps
The number of ICMP Timestamp Reply messages sent.
icmpOutAddrMasks
The number of ICMP Address Mask Request messages sent.
icmpOutAddrMaskReps
The number of ICMP Address Mask Reply messages sent.
TCP statistics
The following command displays TCP statistics:
show ip tcp counters
Command mode:
All except User EXEC
TCP statistics:
tcpRtoAlgorithm:
4
tcpRtoMin:
0
tcpRtoMax:
240000
tcpMaxConn:
512
tcpActiveOpens:
252214
tcpPassiveOpens:
7
tcpAttemptFails:
528
tcpEstabResets:
4
tcpInSegs:
756401
tcpOutSegs:
756655
tcpRetransSegs:
0
tcpInErrs:
0
tcpCurBuff:
0
tcpCurConn:
3
tcpOutRsts:
417
The following table describes the Transmission Control Protocol (TCP) statistics:
Table 59
TCP statistics
Statistics
Description
tcpRtoAlgorithm
The algorithm used to determine the timeout value used for retransmitting
unacknowledged octets.
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 Request For Comments (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.
tcpMaxConn
The limit on the total number of TCP connections the switch can support. In entities
where the maximum number of connections is dynamic, this object should contain the
value -1.
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.
tcpAttemptFails
The number of times TCP connections have made a direct transition to the CLOSED state
from either the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP
connections have made a direct transition to the LISTEN state from the SYN-RCVD state.
tcpEstabResets
The number of times TCP connections have made a direct transition to the CLOSED state
from either the ESTABLISHED state or the CLOSE- WAIT state.
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.