TCP-ESTATS-MIB Table View
Table-centric layout grouping table, row, and column objects.
Tables
7
Rows
7
Columns
133
tcpEStatsListenerTable
table.1.3.6.1.2.1.156.1.1.1
·
1 row entry
·
15 columns
This table contains information about TCP Listeners, in addition to the information maintained by the tcpListenerTable RFC 4022.
Each entry in the table contains information about
a specific TCP Listener.
a specific TCP Listener.
Indexes
No indexes recorded
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsListenerStartTime
The value of sysUpTime at the time this listener was
established. If the current state was entered prior to the last re-initialization of the local network management subsystem, then this object contains a zero value. |
SNMPv2-TCTimeStamp Textual Convention: SNMPv2-TCTimeStamp Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.1 |
|
tcpEStatsListenerSynRcvd
The number of SYNs which have been received for this
listener. The total number of failed connections for all reasons can be estimated to be tcpEStatsListenerSynRcvd minus tcpEStatsListenerAccepted and tcpEStatsListene… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.2 |
|
tcpEStatsListenerInitial
The total number of connections for which the Listener
has allocated initial state and placed the connection in the backlog. This may happen in the SYN-RCVD or ESTABLISHED states, depending on the implementation. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.3 |
|
tcpEStatsListenerEstablished
The number of connections that have been established to
this endpoint (e.g., the number of first ACKs that have been received for this listener). |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.4 |
|
tcpEStatsListenerAccepted
The total number of connections for which the Listener
has successfully issued an accept, removing the connection from the backlog. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.5 |
|
tcpEStatsListenerExceedBacklog
The total number of connections dropped from the
backlog by this listener due to all reasons. This includes all connections that are allocated initial resources, but are not accepted for some reason. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.1.1.6 |
|
tcpEStatsListenerHCSynRcvd
The number of SYNs that have been received for this
listener on systems that can process (or reject) more than 1 million connections per second. See tcpEStatsListenerSynRcvd. |
HCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.1.1.7 |
|
tcpEStatsListenerHCInitial
The total number of connections for which the Listener
has allocated initial state and placed the connection in the backlog on systems that can process (or reject) more than 1 million connections per second. See tcpESt… |
HCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.1.1.8 |
|
tcpEStatsListenerHCEstablished
The number of connections that have been established to
this endpoint on systems that can process (or reject) more than 1 million connections per second. See tcpEStatsListenerEstablished. |
HCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.1.1.9 |
|
tcpEStatsListenerHCAccepted
The total number of connections for which the Listener
has successfully issued an accept, removing the connection from the backlog on systems that can process (or reject) more than 1 million connections per second. See… |
HCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.1.1.10 |
|
tcpEStatsListenerHCExceedBacklog
The total number of connections dropped from the
backlog by this listener due to all reasons on systems that can process (or reject) more than 1 million connections per second. See tcpEStatsListenerExceedBacklog. |
HCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.1.1.11 |
|
tcpEStatsListenerCurConns
The current number of connections in the ESTABLISHED
state, which have also been accepted. It excludes connections that have been established but not accepted because they are still subject to being discarded to shed l… |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.1.1.12 |
|
tcpEStatsListenerMaxBacklog
The maximum number of connections allowed in the
backlog at one time. |
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.1.1.13 |
|
tcpEStatsListenerCurBacklog
The current number of connections that are in the backlog.
This gauge includes connections in ESTABLISHED or SYN-RECEIVED states for which the Listener has not yet issued an accept. If this listener is us… |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.1.1.14 |
|
tcpEStatsListenerCurEstabBacklog
The current number of connections in the backlog that are
in the ESTABLISHED state, but for which the Listener has not yet issued an accept. |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.1.1.15 |
tcpEStatsConnectIdTable
table.1.3.6.1.2.1.156.1.1.2
·
1 row entry
·
1 columns
This table maps information that uniquely identifies
each active TCP connection to the connection ID used by
other tables in this MIB Module. It is an extension of
tcpConnectionTable in RFC 4022.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table maps a TCP connection
4-tuple to a connection index.
4-tuple to a connection index.
Indexes
No indexes recorded
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsConnectIndex
A unique integer value assigned to each TCP Connection
entry. The RECOMMENDED algorithm is to begin at 1 and increase to some implementation-specific maximum value and then start again at 1 skipping value… |
Unsigned32 Constraints: range: 1-4294967295 |
.1.3.6.1.2.1.156.1.1.2.1.1 |
tcpEStatsPerfTable
table.1.3.6.1.2.1.156.1.1.3
·
1 row entry
·
34 columns
This table contains objects that are useful for
measuring TCP performance and first line problem
diagnosis. Most objects in this table directly expose
some TCP state variable or are easily implemented as
simple functions (e.g., the maximum value) of TCP
state variables.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table has information about the
characteristics of each active and recently closed TCP
connection.
characteristics of each active and recently closed TCP
connection.
Indexes
tcpEStatsConnectIndex
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsPerfSegsOut
The total number of segments sent.
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.1 |
|
tcpEStatsPerfDataSegsOut
The number of segments sent containing a positive length
data segment. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.2 |
|
tcpEStatsPerfDataOctetsOut
The number of octets of data contained in transmitted
segments, including retransmitted data. Note that this does not include TCP headers. |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.3 |
|
tcpEStatsPerfHCDataOctetsOut
The number of octets of data contained in transmitted
segments, including retransmitted data, on systems that can transmit more than 10 million bits per second. Note that this does not include TCP headers. |
octetsHCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.3.1.4 |
|
tcpEStatsPerfSegsRetrans
The number of segments transmitted containing at least some
retransmitted data. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.5 |
|
tcpEStatsPerfOctetsRetrans
The number of octets retransmitted.
|
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.6 |
|
tcpEStatsPerfSegsIn
The total number of segments received.
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.7 |
|
tcpEStatsPerfDataSegsIn
The number of segments received containing a positive
length data segment. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.8 |
|
tcpEStatsPerfDataOctetsIn
The number of octets contained in received data segments,
including retransmitted data. Note that this does not include TCP headers. |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.9 |
|
tcpEStatsPerfHCDataOctetsIn
The number of octets contained in received data segments,
including retransmitted data, on systems that can receive more than 10 million bits per second. Note that this does not include TCP headers. |
octetsHCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.3.1.10 |
|
tcpEStatsPerfElapsedSecs
The seconds part of the time elapsed between
tcpEStatsPerfStartTimeStamp and the most recent protocol event (segment sent or received). |
secondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.11 |
|
tcpEStatsPerfElapsedMicroSecs
The micro-second part of time elapsed between
tcpEStatsPerfStartTimeStamp to the most recent protocol event (segment sent or received). This may be updated in whatever time granularity is the system supports. |
microsecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.12 |
|
tcpEStatsPerfStartTimeStamp
Time at which this row was created and all
ZeroBasedCounters in the row were initialized to zero. |
SNMPv2-TCDateAndTime Textual Convention: SNMPv2-TCDateAndTime OctetStringType Constraints: range: 8range: 11 |
.1.3.6.1.2.1.156.1.1.3.1.13 |
|
tcpEStatsPerfCurMSS
The current maximum segment size (MSS), in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.14 |
|
tcpEStatsPerfPipeSize
The TCP senders current estimate of the number of
unacknowledged data octets in the network. While not in recovery (e.g., while the receiver is not reporting missing data to the sender), this is precisely… |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.15 |
|
tcpEStatsPerfMaxPipeSize
The maximum value of tcpEStatsPerfPipeSize, for this
connection. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.16 |
|
tcpEStatsPerfSmoothedRTT
The smoothed round trip time used in calculation of the
RTO. See SRTT in [RFC2988]. |
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.17 |
|
tcpEStatsPerfCurRTO
The current value of the retransmit timer RTO.
|
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.18 |
|
tcpEStatsPerfCongSignals
The number of multiplicative downward congestion window
adjustments due to all forms of congestion signals, including Fast Retransmit, Explicit Congestion Notification (ECN), and timeouts. This object summarizes all ev… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.19 |
|
tcpEStatsPerfCurCwnd
The current congestion window, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.20 |
|
tcpEStatsPerfCurSsthresh
The current slow start threshold in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.21 |
|
tcpEStatsPerfTimeouts
The number of times the retransmit timeout has expired when
the RTO backoff multiplier is equal to one. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.22 |
|
tcpEStatsPerfCurRwinSent
The most recent window advertisement sent, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.23 |
|
tcpEStatsPerfMaxRwinSent
The maximum window advertisement sent, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.24 |
|
tcpEStatsPerfZeroRwinSent
The number of acknowledgments sent announcing a zero
receive window, when the previously announced window was not zero. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.25 |
|
tcpEStatsPerfCurRwinRcvd
The most recent window advertisement received, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.26 |
|
tcpEStatsPerfMaxRwinRcvd
The maximum window advertisement received, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.3.1.27 |
|
tcpEStatsPerfZeroRwinRcvd
The number of acknowledgments received announcing a zero
receive window, when the previously announced window was not zero. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.28 |
|
tcpEStatsPerfSndLimTransRwin
The number of transitions into the 'Receiver Limited' state
from either the 'Congestion Limited' or 'Sender Limited' states. This state is entered whenever TCP transmission stops because the sender has filled the annou… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.31 |
|
tcpEStatsPerfSndLimTransCwnd
The number of transitions into the 'Congestion Limited'
state from either the 'Receiver Limited' or 'Sender Limited' states. This state is entered whenever TCP transmission stops because the sender has reached some lim… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.32 |
|
tcpEStatsPerfSndLimTransSnd
The number of transitions into the 'Sender Limited' state
from either the 'Receiver Limited' or 'Congestion Limited' states. This state is entered whenever TCP transmission stops due to some sender limit such as runnin… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.33 |
|
tcpEStatsPerfSndLimTimeRwin
The cumulative time spent in the 'Receiver Limited' state.
See tcpEStatsPerfSndLimTransRwin. |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.34 |
|
tcpEStatsPerfSndLimTimeCwnd
The cumulative time spent in the 'Congestion Limited'
state. See tcpEStatsPerfSndLimTransCwnd. When there is a retransmission timeout, it SHOULD be counted in tcpEStatsPerfSndLimTimeCwnd (and not the cumulative time f… |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.35 |
|
tcpEStatsPerfSndLimTimeSnd
The cumulative time spent in the 'Sender Limited' state.
See tcpEStatsPerfSndLimTransSnd. |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.3.1.36 |
tcpEStatsPathTable
table.1.3.6.1.2.1.156.1.1.4
·
1 row entry
·
26 columns
This table contains objects that can be used to infer
detailed behavior of the Internet path, such as the
extent that there is reordering, ECN bits, and if
RTT fluctuations are correlated to losses.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table has information about the
characteristics of each active and recently closed TCP
connection.
characteristics of each active and recently closed TCP
connection.
Indexes
tcpEStatsConnectIndex
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsPathRetranThresh
The number of duplicate acknowledgments required to trigger
Fast Retransmit. Note that although this is constant in traditional Reno TCP implementations, it is adaptive in many newer TCPs. |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.1 |
|
tcpEStatsPathNonRecovDAEpisodes
The number of duplicate acknowledgment episodes that did
not trigger a Fast Retransmit because ACK advanced prior to the number of duplicate acknowledgments reaching RetranThresh. In many implementations … |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.2 |
|
tcpEStatsPathSumOctetsReordered
The sum of the amounts SND.UNA advances on the
acknowledgment which ends a dup-ack episode without a retransmission. Note the change in tcpEStatsPathSumOctetsReordered divided by the change in tcpEStatsPa… |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.3 |
|
tcpEStatsPathNonRecovDA
Duplicate acks (or SACKS) that did not trigger a Fast
Retransmit because ACK advanced prior to the number of duplicate acknowledgments reaching RetranThresh. In many implementations, this is the sum of th… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.4 |
|
tcpEStatsPathSampleRTT
The most recent raw round trip time measurement used in
calculation of the RTO. |
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.11 |
|
tcpEStatsPathRTTVar
The round trip time variation used in calculation of the
RTO. See RTTVAR in [RFC2988]. |
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.12 |
|
tcpEStatsPathMaxRTT
The maximum sampled round trip time.
|
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.13 |
|
tcpEStatsPathMinRTT
The minimum sampled round trip time.
|
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.14 |
|
tcpEStatsPathSumRTT
The sum of all sampled round trip times.
Note that the change in tcpEStatsPathSumRTT divided by the change in tcpEStatsPathCountRTT is the mean RTT, uniformly averaged over an enter interval. |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.15 |
|
tcpEStatsPathHCSumRTT
The sum of all sampled round trip times, on all systems
that implement multiple concurrent RTT measurements. Note that the change in tcpEStatsPathHCSumRTT divided by the change in tcpEStatsPathCountRTT is… |
millisecondsHCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.4.1.16 |
|
tcpEStatsPathCountRTT
The number of round trip time samples included in
tcpEStatsPathSumRTT and tcpEStatsPathHCSumRTT. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.17 |
|
tcpEStatsPathMaxRTO
The maximum value of the retransmit timer RTO.
|
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.18 |
|
tcpEStatsPathMinRTO
The minimum value of the retransmit timer RTO.
|
millisecondsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.19 |
|
tcpEStatsPathIpTtl
The value of the TTL field carried in the most recently
received IP header. This is sometimes useful to detect changing or unstable routes. |
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.20 |
|
tcpEStatsPathIpTosIn
The value of the IPv4 Type of Service octet, or the IPv6
traffic class octet, carried in the most recently received IP header. This is useful to diagnose interactions between TCP and any IP layer packet s… |
OctetString Constraints: range: 1-1 |
.1.3.6.1.2.1.156.1.1.4.1.21 |
|
tcpEStatsPathIpTosOut
The value of the IPv4 Type Of Service octet, or the IPv6
traffic class octet, carried in the most recently transmitted IP header. This is useful to diagnose interactions between TCP and any IP layer packe… |
OctetString Constraints: range: 1-1 |
.1.3.6.1.2.1.156.1.1.4.1.22 |
|
tcpEStatsPathPreCongSumCwnd
The sum of the values of the congestion window, in octets,
captured each time a congestion signal is received. This MUST be updated each time tcpEStatsPerfCongSignals is incremented, such that the change in tcpEStatsPa… |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.23 |
|
tcpEStatsPathPreCongSumRTT
Sum of the last sample of the RTT (tcpEStatsPathSampleRTT)
prior to the received congestion signals. This MUST be updated each time tcpEStatsPerfCongSignals is incremented, such that the change in tcpEStatsPathPreCongS… |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.24 |
|
tcpEStatsPathPostCongSumRTT
Sum of the first sample of the RTT (tcpEStatsPathSampleRTT)
following each congestion signal. Such that the change in tcpEStatsPathPostCongSumRTT divided by the change in tcpEStatsPathPostCongCountRTT is the average RT… |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.25 |
|
tcpEStatsPathPostCongCountRTT
The number of RTT samples included in
tcpEStatsPathPostCongSumRTT such that the change in tcpEStatsPathPostCongSumRTT divided by the change in tcpEStatsPathPostCongCountRTT is the average RTT (over some interval) just a… |
millisecondsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.26 |
|
tcpEStatsPathECNsignals
The number of congestion signals delivered to the TCP
sender via explicit congestion notification (ECN). This is typically the number of segments bearing Echo Congestion Experienced (ECE) bits, but shoul… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.27 |
|
tcpEStatsPathDupAckEpisodes
The number of Duplicate Acks Sent when prior Ack was not
duplicate. This is the number of times that a contiguous series of duplicate acknowledgments have been sent. This is an indication of the number o… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.28 |
|
tcpEStatsPathRcvRTT
The receiver's estimate of the Path RTT.
Adaptive receiver window algorithms depend on the receiver to having a good estimate of the path RTT. |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.4.1.29 |
|
tcpEStatsPathDupAcksOut
The number of duplicate ACKs sent. The ratio of the change
in tcpEStatsPathDupAcksOut to the change in tcpEStatsPathDupAckEpisodes is an indication of reorder or recovery distance over some interval. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.30 |
|
tcpEStatsPathCERcvd
The number of segments received with IP headers bearing
Congestion Experienced (CE) markings. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.31 |
|
tcpEStatsPathECESent
Number of times the Echo Congestion Experienced (ECE) bit
in the TCP header has been set (transitioned from 0 to 1), due to a Congestion Experienced (CE) marking on an IP header. Note that ECE can be set and reset only… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.4.1.32 |
tcpEStatsStackTable
table.1.3.6.1.2.1.156.1.1.5
·
1 row entry
·
41 columns
This table contains objects that are most useful for
determining how well some of the TCP control
algorithms are coping with this particular
path.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table has information about the
characteristics of each active and recently closed TCP
connection.
characteristics of each active and recently closed TCP
connection.
Indexes
tcpEStatsConnectIndex
| Column | Syntax | OID | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
tcpEStatsStackActiveOpen
True(1) if the local connection traversed the SYN-SENT
state, else false(2). |
SNMPv2-TCTruthValue Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.1 |
||||||||||||||||||||||||
|
tcpEStatsStackMSSSent
The value sent in an MSS option, or zero if none.
|
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.2 |
||||||||||||||||||||||||
|
tcpEStatsStackMSSRcvd
The value received in an MSS option, or zero if none.
|
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.3 |
||||||||||||||||||||||||
|
tcpEStatsStackWinScaleSent
The value of the transmitted window scale option if one was
sent; otherwise, a value of -1. Note that if both tcpEStatsStackWinScaleSent and tcpEStatsStackWinScaleRcvd are not -1, then Rcv.Wind.Scale will… |
Integer32 Constraints: range: -1-14 |
.1.3.6.1.2.1.156.1.1.5.1.4 |
||||||||||||||||||||||||
|
tcpEStatsStackWinScaleRcvd
The value of the received window scale option if one was
received; otherwise, a value of -1. Note that if both tcpEStatsStackWinScaleSent and tcpEStatsStackWinScaleRcvd are not -1, then Snd.Wind.Scale wil… |
Integer32 Constraints: range: -1-14 |
.1.3.6.1.2.1.156.1.1.5.1.5 |
||||||||||||||||||||||||
|
tcpEStatsStackTimeStamps
Enabled(1) if TCP timestamps have been negotiated on,
selfDisabled(2) if they are disabled or not implemented on the local host, or peerDisabled(3) if not negotiated by the remote hosts. |
TcpEStatsNegotiated Textual Convention: TcpEStatsNegotiated EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.6 |
||||||||||||||||||||||||
|
tcpEStatsStackECN
Enabled(1) if Explicit Congestion Notification (ECN) has
been negotiated on, selfDisabled(2) if it is disabled or not implemented on the local host, or peerDisabled(3) if not negotiated by the remote hosts. |
TcpEStatsNegotiated Textual Convention: TcpEStatsNegotiated EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.7 |
||||||||||||||||||||||||
|
tcpEStatsStackWillSendSACK
Enabled(1) if the local host will send SACK options,
selfDisabled(2) if SACK is disabled or not implemented on the local host, or peerDisabled(3) if the remote host did not send the SACK-permitted option. … |
TcpEStatsNegotiated Textual Convention: TcpEStatsNegotiated EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.8 |
||||||||||||||||||||||||
|
tcpEStatsStackWillUseSACK
Enabled(1) if the local host will process SACK options,
selfDisabled(2) if SACK is disabled or not implemented on the local host, or peerDisabled(3) if the remote host sends duplicate ACKs without SACK op… |
TcpEStatsNegotiated Textual Convention: TcpEStatsNegotiated EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.9 |
||||||||||||||||||||||||
|
tcpEStatsStackState
An integer value representing the connection state from the
TCP State Transition Diagram. The value listen(2) is included only for parallelism to the old tcpConnTable, and SHOULD NOT be used because the l… |
Enumeration Enumerated Values:
|
.1.3.6.1.2.1.156.1.1.5.1.10 |
||||||||||||||||||||||||
|
tcpEStatsStackNagle
True(1) if the Nagle algorithm is being used, else
false(2). |
SNMPv2-TCTruthValue Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
|
.1.3.6.1.2.1.156.1.1.5.1.11 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxSsCwnd
The maximum congestion window used during Slow Start, in
octets. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.12 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxCaCwnd
The maximum congestion window used during Congestion
Avoidance, in octets. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.13 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxSsthresh
The maximum slow start threshold, excluding the initial
value. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.14 |
||||||||||||||||||||||||
|
tcpEStatsStackMinSsthresh
The minimum slow start threshold.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.15 |
||||||||||||||||||||||||
|
tcpEStatsStackInRecovery
An integer value representing the state of the loss
recovery for this connection. tcpESDataContiguous(1) indicates that the remote receiver is reporting contiguous data (no duplicate acknowledgments or SA… |
Enumeration Enumerated Values:
|
.1.3.6.1.2.1.156.1.1.5.1.16 |
||||||||||||||||||||||||
|
tcpEStatsStackDupAcksIn
The number of duplicate ACKs received.
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.17 |
||||||||||||||||||||||||
|
tcpEStatsStackSpuriousFrDetected
The number of acknowledgments reporting out-of-order
segments after the Fast Retransmit algorithm has already retransmitted the segments. (For example as detected by the Eifel algorithm).' |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.18 |
||||||||||||||||||||||||
|
tcpEStatsStackSpuriousRtoDetected
The number of acknowledgments reporting segments that have
already been retransmitted due to a Retransmission Timeout. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.19 |
||||||||||||||||||||||||
|
tcpEStatsStackSoftErrors
The number of segments that fail various consistency tests
during TCP input processing. Soft errors might cause the segment to be discarded but some do not. Some of these soft errors cause the generation of a TCP ackn… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.21 |
||||||||||||||||||||||||
|
tcpEStatsStackSoftErrorReason
This object identifies which consistency test most recently
failed during TCP input processing. This object SHOULD be set every time tcpEStatsStackSoftErrors is incremented. The codes are as follows: be… |
Enumeration Enumerated Values:
|
.1.3.6.1.2.1.156.1.1.5.1.22 |
||||||||||||||||||||||||
|
tcpEStatsStackSlowStart
The number of times the congestion window has been
increased by the Slow Start algorithm. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.23 |
||||||||||||||||||||||||
|
tcpEStatsStackCongAvoid
The number of times the congestion window has been
increased by the Congestion Avoidance algorithm. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.24 |
||||||||||||||||||||||||
|
tcpEStatsStackOtherReductions
The number of congestion window reductions made as a result
of anything other than AIMD congestion control algorithms. Examples of non-multiplicative window reductions include Congestion Window Validation [RFC2861] and … |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.25 |
||||||||||||||||||||||||
|
tcpEStatsStackCongOverCount
The number of congestion events that were 'backed out' of
the congestion control state machine such that the congestion window was restored to a prior value. This can happen due to the Eifel algorithm [RFC3522] or othe… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.26 |
||||||||||||||||||||||||
|
tcpEStatsStackFastRetran
The number of invocations of the Fast Retransmit algorithm.
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.27 |
||||||||||||||||||||||||
|
tcpEStatsStackSubsequentTimeouts
The number of times the retransmit timeout has expired after
the RTO has been doubled. See Section 5.5 of RFC 2988. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.28 |
||||||||||||||||||||||||
|
tcpEStatsStackCurTimeoutCount
The current number of times the retransmit timeout has
expired without receiving an acknowledgment for new data. tcpEStatsStackCurTimeoutCount is reset to zero when new data is acknowledged and incremented for each invo… |
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.29 |
||||||||||||||||||||||||
|
tcpEStatsStackAbruptTimeouts
The number of timeouts that occurred without any
immediately preceding duplicate acknowledgments or other indications of congestion. Abrupt Timeouts indicate that the path lost an entire window of data or acknowledgmen… |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.30 |
||||||||||||||||||||||||
|
tcpEStatsStackSACKsRcvd
The number of SACK options received.
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.31 |
||||||||||||||||||||||||
|
tcpEStatsStackSACKBlocksRcvd
The number of SACK blocks received (within SACK options).
|
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.32 |
||||||||||||||||||||||||
|
tcpEStatsStackSendStall
The number of interface stalls or other sender local
resource limitations that are treated as congestion signals. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.33 |
||||||||||||||||||||||||
|
tcpEStatsStackDSACKDups
The number of duplicate segments reported to the local host
by D-SACK blocks. |
RMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.5.1.34 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxMSS
The maximum MSS, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.35 |
||||||||||||||||||||||||
|
tcpEStatsStackMinMSS
The minimum MSS, in octets.
|
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.36 |
||||||||||||||||||||||||
|
tcpEStatsStackSndInitial
Initial send sequence number. Note that by definition
tcpEStatsStackSndInitial never changes for a given connection. |
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.37 |
||||||||||||||||||||||||
|
tcpEStatsStackRecInitial
Initial receive sequence number. Note that by definition
tcpEStatsStackRecInitial never changes for a given connection. |
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.38 |
||||||||||||||||||||||||
|
tcpEStatsStackCurRetxQueue
The current number of octets of data occupying the
retransmit queue. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.39 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxRetxQueue
The maximum number of octets of data occupying the
retransmit queue. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.40 |
||||||||||||||||||||||||
|
tcpEStatsStackCurReasmQueue
The current number of octets of sequence space spanned by
the reassembly queue. This is generally the difference between rcv.nxt and the sequence number of the right most edge of the reassembly queue. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.41 |
||||||||||||||||||||||||
|
tcpEStatsStackMaxReasmQueue
The maximum value of tcpEStatsStackCurReasmQueue
|
SNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.5.1.42 |
tcpEStatsAppTable
table.1.3.6.1.2.1.156.1.1.6
·
1 row entry
·
12 columns
This table contains objects that are useful for
determining if the application using TCP is
limiting TCP performance.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table has information about the
characteristics of each active and recently closed TCP
connection.
characteristics of each active and recently closed TCP
connection.
Indexes
tcpEStatsConnectIndex
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsAppSndUna
The value of SND.UNA, the oldest unacknowledged sequence
number. Note that SND.UNA is a TCP state variable that is congruent to Counter32 semantics. |
SNMPv2-SMICounter32 Textual Convention: SNMPv2-SMICounter32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.1 |
|
tcpEStatsAppSndNxt
The value of SND.NXT, the next sequence number to be sent.
Note that tcpEStatsAppSndNxt is not monotonic (and thus not a counter) because TCP sometimes retransmits lost data by pulling tcpEStatsAppSndNxt back to the mis… |
SNMPv2-SMIUnsigned32 Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.2 |
|
tcpEStatsAppSndMax
The farthest forward (right most or largest) SND.NXT value.
Note that this will be equal to tcpEStatsAppSndNxt except when tcpEStatsAppSndNxt is pulled back during recovery. |
SNMPv2-SMICounter32 Textual Convention: SNMPv2-SMICounter32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.3 |
|
tcpEStatsAppThruOctetsAcked
The number of octets for which cumulative acknowledgments
have been received. Note that this will be the sum of changes to tcpEStatsAppSndUna. |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.6.1.4 |
|
tcpEStatsAppHCThruOctetsAcked
The number of octets for which cumulative acknowledgments
have been received, on systems that can receive more than 10 million bits per second. Note that this will be the sum of changes in tcpEStatsAppSndUna. |
octetsHCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.6.1.5 |
|
tcpEStatsAppRcvNxt
The value of RCV.NXT. The next sequence number expected on
an incoming segment, and the left or lower edge of the receive window. Note that RCV.NXT is a TCP state variable that is congruent to Counter32 … |
SNMPv2-SMICounter32 Textual Convention: SNMPv2-SMICounter32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.6 |
|
tcpEStatsAppThruOctetsReceived
The number of octets for which cumulative acknowledgments
have been sent. Note that this will be the sum of changes to tcpEStatsAppRcvNxt. |
octetsRMON2-MIBZeroBasedCounter32 Textual Convention: RMON2-MIBZeroBasedCounter32 Unsigned32 |
.1.3.6.1.2.1.156.1.1.6.1.7 |
|
tcpEStatsAppHCThruOctetsReceived
The number of octets for which cumulative acknowledgments
have been sent, on systems that can transmit more than 10 million bits per second. Note that this will be the sum of changes in tcpEStatsAppRcvNxt. |
octetsHCNUM-TCZeroBasedCounter64 Textual Convention: HCNUM-TCZeroBasedCounter64 Unsigned64 |
.1.3.6.1.2.1.156.1.1.6.1.8 |
|
tcpEStatsAppCurAppWQueue
The current number of octets of application data buffered
by TCP, pending first transmission, i.e., to the left of SND.NXT or SndMax. This data will generally be transmitted (and SND.NXT advanced to the left) as soon a… |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.11 |
|
tcpEStatsAppMaxAppWQueue
The maximum number of octets of application data buffered
by TCP, pending first transmission. This is the maximum value of tcpEStatsAppCurAppWQueue. This pair of objects can be used to determine if insufficient queued… |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.12 |
|
tcpEStatsAppCurAppRQueue
The current number of octets of application data that has
been acknowledged by TCP but not yet delivered to the application. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.13 |
|
tcpEStatsAppMaxAppRQueue
The maximum number of octets of application data that has
been acknowledged by TCP but not yet delivered to the application. |
octetsSNMPv2-SMIGauge32 Textual Convention: SNMPv2-SMIGauge32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.6.1.14 |
tcpEStatsTuneTable
table.1.3.6.1.2.1.156.1.1.7
·
1 row entry
·
4 columns
This table contains per-connection controls that can
be used to work around a number of common problems that
plague TCP over some paths. All can be characterized as
limiting the growth of the congestion window so as to
prevent TCP from overwhelming some component in the
path.
Entries are retained in this table for the number of
seconds indicated by the tcpEStatsConnTableLatency
object, after the TCP connection first enters the closed
state.
Each entry in this table is a control that can be used to
place limits on each active TCP connection.
place limits on each active TCP connection.
Indexes
tcpEStatsConnectIndex
| Column | Syntax | OID |
|---|---|---|
|
tcpEStatsTuneLimCwnd
A control to set the maximum congestion window that may be
used, in octets. |
octetsSNMPv2-SMIUnsigned32r/w Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.7.1.1 |
|
tcpEStatsTuneLimSsthresh
A control to limit the maximum queue space (in octets) that
this TCP connection is likely to occupy during slowstart. It can be implemented with the algorithm described in RFC 3742 by setting the max_ssth… |
octetsSNMPv2-SMIUnsigned32r/w Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.7.1.2 |
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tcpEStatsTuneLimRwin
A control to set the maximum window advertisement that may
be sent, in octets. |
octetsSNMPv2-SMIUnsigned32r/w Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.7.1.3 |
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tcpEStatsTuneLimMSS
A control to limit the maximum segment size in octets, that
this TCP connection can use. |
octetsSNMPv2-SMIUnsigned32r/w Textual Convention: SNMPv2-SMIUnsigned32 Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.6.1.2.1.156.1.1.7.1.4 |