tcpEStatsAppSndUna
TCP-ESTATS-MIB ·
.1.3.6.1.2.1.156.1.1.6.1.1
Object
column
SNMPv2-SMICounter32
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.
Context
- MIB
- TCP-ESTATS-MIB
- OID
.1.3.6.1.2.1.156.1.1.6.1.1- Type
- column
- Access
- readonly
- Status
- current
- Parent
- tcpEStatsAppEntry
- Table
- tcpEStatsAppTable
- Siblings
- 11
Syntax
SNMPv2-SMICounter32
- Source
- SNMPv2-SMICounter32
- Base type
Unsigned32
Values & Constraints
Type Constraints
range: 0..4294967295
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| 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… | column | octets SNMPv2-SMIGauge32 | .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 … | column | octets SNMPv2-SMIGauge32 | .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. | column | octets SNMPv2-SMIGauge32 | .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. | column | octets SNMPv2-SMIGauge32 | .1.3.6.1.2.1.156.1.1.6.1.14 |
| 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
pu… | column | SNMPv2-SMIUnsigned32 | .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. | column | SNMPv2-SMICounter32 | .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. | column | octets RMON2-MIBZeroBasedCounter32 | .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 … | column | octets HCNUM-TCZeroBasedCounter64 | .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 … | column | SNMPv2-SMICounter32 | .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. | column | octets RMON2-MIBZeroBasedCounter32 | .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
cha… | column | octets HCNUM-TCZeroBasedCounter64 | .1.3.6.1.2.1.156.1.1.6.1.8 |