| VariableName | (ALN) | (ALN) | (ALN) | (ALN) | (ALN) | (ALN) | ShortDescr | RenameFrom | RW | ProcType | Table | Scope | PossibleValues | Description |
| Priority | Condition/ | Min | Max | Kernel Support | Nature | |||||||||
| Output | ||||||||||||||
| ActiveOpen | High | Output | 0 | 1 | Supported | Discrete | True if local host was the one that sent the SYN. | - | read-only | TruthValue | 1perf | standard | - | True(1) if the local connection traversed the SYN-SENT state,else false(2). See [RFC793]. |
| ECN | High | Output | 0 | 1 | Supported but renamed ECNEnabled | Discrete | Explicit Congestion Notification is Enabled | ECNEnabled | read-only | TruthValue | 1perf | standard | - | True(1) if ECN has been negotiated on, else false(2).See [RFC3168]. |
| LocalAddress | High | Condition | 1 | 2^32-1 | Supported | Discrete | Local IP Address | - | read-only | Ip_Address | - | standard | - | IP Address of the host from which the KIS was read. |
| LocalAddressType | High | Condition | 1 | 2 | Supported | Discrete | Local Address Type | - | read-only | Integer | - | standard | - | The address type of tcpEStatsConnectLocalAddress. Onlyipv4(1) and ipv6(2) are expected. |
| LocalPort | High | Condition | 1 | 65535 | Supported | Discrete | Local Port Number | - | read-only | Unsigned16 | - | standard | - | The Local Host's TCP port number for a connection. |
| MSSRcvd | High | Output | 1 | 65535 | Supported | Discrete | MSS Option received | - | read-only | Unsigned32 | 3stack | standard | - | The value received in an MSS option, or zero if none. |
| MSSSent | High | Condition | 1 | 65535 | Supported | Discrete | Mss Option sent | - | read-only | Unsigned32 | 3stack | standard | - | The value sent in an MSS option, or zero if none. |
| RemAddress | High | Condition | 1 | 2^32-1 | Supported | Discrete | Remote IP Address | RemoteAddress | read-only | Ip_Address | - | standard | - | IP Address of the Remote host's end of a connection. |
| RemPort | High | Condition | 1 | 65535 | Supported | Discrete | Remote Port Number | RemotePort | read-only | Unsigned16 | - | standard | - | The Remote Host's TCP port number for a connection. |
| RetranThresh | High | Condition | 1 | 3 | Supported | Discrete | Duplicate ACKs needed to trigger FR | - | read-only | Gauge32 | 1perf | standard | - | The number of duplicate acknowledgments required to triggerFast Retransmit. |
| SACK | High | Condition | 0 | 1 | Supported but renamed SACKEnabled | Discrete | SACK Enabled | SACKEnabled | read-only | TruthValue | 1perf | standard | - | True(1) if SACK has been negotiated on, else false(2).See [RFC2018]. |
| protocol | High | Condition | 1 | 256 | Not Supported | Discrete | Protocol type for this connection | - | read-only | Integer32 | - | standard | - | Protocol type for this connection. |