netscaler / netscaler.adc / 2.5.1 / module / nstcpparam Configuration for tcp parameters resource. | "added in version" 2.0.0 of netscaler.adc" Authors: Sumanth Lingappa (@sumanth-lingappa) preview | supported by communitynetscaler.adc.nstcpparam (2.5.1) — module
Install with ansible-galaxy collection install netscaler.adc:==2.5.1
collections: - name: netscaler.adc version: 2.5.1
Configuration for tcp parameters resource.
ws: choices: - ENABLED - DISABLED description: - Enable or disable window scaling. type: str nsip: description: - The ip address of the NetScaler ADC appliance where the nitro API calls will be made. - The port can be specified with the colon (:). E.g. 192.168.1.1:555. required: true type: str sack: choices: - ENABLED - DISABLED description: - Enable or disable Selective ACKnowledgement (SACK). type: str nagle: choices: - ENABLED - DISABLED description: - Enable or disable the Nagle algorithm on TCP connections. type: str state: choices: - present - unset default: present description: - The state of the resource being configured by the module on the NetScaler ADC node. - When C(present), the resource will be added/updated configured according to the module's parameters. - When C(unset), the resource will be unset on the NetScaler ADC node. type: str wsval: description: - Factor used to calculate the new window size. - This argument is needed only when the window scaling is enabled. type: float minrto: description: - Minimum retransmission timeout, in milliseconds, specified in 10-millisecond increments (value must yield a whole number if divided by 10). type: int api_path: default: nitro/v1/config description: - Base NITRO API path. - Define only in case of an ADM service proxy call type: str maxburst: description: - Maximum number of TCP segments allowed in a burst. type: float oooqsize: description: - Maximum size of out-of-order packets queue. A value of 0 means no limit. type: float ackonpush: choices: - ENABLED - DISABLED description: - Send immediate positive acknowledgement (ACK) on receipt of TCP packets with PUSH flag. type: str delayedack: description: - Timeout for TCP delayed ACK, in milliseconds. type: float maxsynhold: description: - Limit the number of client connections (SYN) waiting for status of probe system wide. Any new SYN packets will be dropped. type: float mptcpmaxsf: description: - Maximum number of subflow connections supported in established state per mptcp connection. type: float nitro_pass: description: - The password with which to authenticate to the NetScaler ADC node. required: false type: str nitro_user: description: - The username with which to authenticate to the NetScaler ADC node. required: false type: str pktperretx: description: - Maximum limit on the number of packets that should be retransmitted on receiving a partial ACK. type: int initialcwnd: description: - Initial maximum upper limit on the number of TCP packets that can be outstanding on the TCP link to the server. type: float save_config: default: false description: - If C(true) the module will save the configuration on the NetScaler ADC node if it makes any changes. - The module will not save the configuration on the NetScaler ADC node if it made no changes. type: bool downstaterst: choices: - ENABLED - DISABLED description: - Flag to switch on RST on down services. type: str learnvsvrmss: choices: - ENABLED - DISABLED description: - Enable or disable maximum segment size (MSS) learning for virtual servers. type: str maxpktpermss: description: - Maximum number of TCP packets allowed per maximum segment size (MSS). type: float recvbuffsize: description: - TCP Receive buffer size type: float maxsynackretx: description: - When 'syncookie' is disabled in the TCP profile that is bound to the virtual server or service, and the number of TCP SYN+ACK retransmission by Citrix ADC for that virtual server or service crosses this threshold, the Citrix ADC responds by using the TCP SYN-Cookie mechanism. type: float mptcpchecksum: choices: - ENABLED - DISABLED description: - Use MPTCP DSS checksum type: str msslearndelay: description: - Frequency, in seconds, at which the virtual servers learn the Maximum segment size (MSS) from the services. The argument to enable maximum segment size (MSS) for virtual servers must be enabled. type: float slowstartincr: description: - Multiplier that determines the rate at which slow start increases the size of the TCP transmission window after each acknowledgement of successful transmission. type: int tcpfintimeout: description: - The amount of time in seconds, after which a TCP connnection in the TCP TIME-WAIT state is flushed. type: float tcpmaxretries: description: - Number of RTO's after which a connection should be freed. type: float connflushthres: description: - 'Flush an existing connection (as configured through -connFlushIfNoMem FIFO) if the system has more than specified number of connections, and a new connection is to be established. Note: This value may be rounded down to be a whole multiple of the number of packet engines running.' type: float limitedpersist: choices: - ENABLED - DISABLED description: - Limit the number of persist (zero window) probes. type: str mptcpsftimeout: description: - The timeout value in seconds for idle mptcp subflows. If this timeout is not set, idle subflows are cleared after cltTimeout of vserver type: float nitro_protocol: choices: - http - https default: https description: - Which protocol to use when accessing the nitro API objects. type: str validate_certs: default: true description: - If C(false), SSL certificates will not be validated. This should only be used on personally controlled sites using self-signed certificates. required: false type: bool maxtimewaitconn: description: - Maximum number of connections to hold in the TCP TIME_WAIT state on a packet engine. New connections entering TIME_WAIT state are proactively cleaned up. type: float connflushifnomem: choices: - 'NONE ' - HALFCLOSED_AND_IDLE - FIFO description: - Flush an existing connection if no memory can be obtained for new connection. - '' - 'HALF_CLOSED_AND_IDLE: Flush a connection that is closed by us but not by peer, or failing that, a connection that is past configured idle time. New connection fails if no such connection can be found.' - '' - 'C(FIFO): If no half-closed or idle connection can be found, flush the oldest non-management connection, even if it is active. New connection fails if the oldest few connections are management connections.' - '' - 'Note: If you enable this setting, you should also consider lowering the zombie timeout and half-close timeout, while setting the Citrix ADC timeout.' - '' - 'See Also: connFlushThres argument below.' type: str msslearninterval: description: - Duration, in seconds, to sample the Maximum Segment Size (MSS) of the services. The Citrix ADC determines the best MSS to set for the virtual server based on this sampling. The argument to enable maximum segment size (MSS) for virtual servers must be enabled. type: float nitro_auth_token: description: - The authentication token provided by a login operation. type: str version_added: 2.6.0 version_added_collection: netscaler.adc mptcpmaxpendingsf: description: - Maximum number of subflow connections supported in pending join state per mptcp connection. type: float synholdfastgiveup: description: - Maximum threshold. After crossing this threshold number of outstanding probes for origin, the Citrix ADC reduces the number of connection retries for probe connections. type: float maxdynserverprobes: description: - Maximum number of probes that Citrix ADC can send out in 10 milliseconds, to dynamically learn a service. Citrix ADC probes for the existence of the origin in case of wildcard virtual server or services. type: float maxsynholdperprobe: description: - Limit the number of client connections (SYN) waiting for status of single probe. Any new SYN packets will be dropped. type: float synattackdetection: choices: - ENABLED - DISABLED description: - Detect TCP SYN packet flood and send an SNMP trap. type: str mptcprtostoswitchsf: description: - Number of RTO's at subflow level, after which MPCTP should start using other subflow. type: float mptcpusebackupondss: choices: - ENABLED - DISABLED description: - When enabled, if NS receives a DSS on a backup subflow, NS will start using that subflow to send data. And if disabled, NS will continue to transmit on current chosen subflow. In case there is some error on a subflow (like RTO's/RST etc.) then NS can choose a backup subflow irrespective of this tunable. type: str autosyncookietimeout: description: - Timeout for the server to function in syncookie mode after the synattack. This is valid if TCP syncookie is disabled on the profile and server acts in non syncookie mode by default. type: float compacttcpoptionnoop: choices: - ENABLED - DISABLED description: - If enabled, non-negotiated TCP options are removed from the received packet while proxying it. By default, non-negotiated TCP options would be replaced by NOPs in the proxied packets. This option is not applicable for Citrix ADC generated packets. type: str mptcpfastcloseoption: choices: - ACK - RESET description: - Allow to select option C(ACK) or C(RESET) to force the closure of an MPTCP connection abruptly. type: str mptcpreliableaddaddr: choices: - ENABLED - DISABLED description: - If enabled, Citrix ADC retransmits MPTCP ADD-ADDR option if echo response is not received within the timeout interval. The retransmission is attempted only once. type: str mptcpsfreplacetimeout: description: - The minimum idle time value in seconds for idle mptcp subflows after which the sublow is replaced by new incoming subflow if maximum subflow limit is reached. The priority for replacement is given to those subflow without any transaction type: float mptcpsendsfresetoption: choices: - ENABLED - DISABLED description: - Allow MPTCP subflows to send TCP RST Reason (MP_TCPRST) Option while sending TCP RST. type: str delinkclientserveronrst: choices: - ENABLED - DISABLED description: - If enabled, Delink client and server connection, when there is outstanding data to be sent to the other side. type: str mptcpconcloseonpassivesf: choices: - ENABLED - DISABLED description: - Accept DATA_FIN/FAST_CLOSE on passive subflow type: str tcpfastopencookietimeout: description: - Timeout in seconds after which a new TFO Key is computed for generating TFO Cookie. If zero, the same key is used always. If timeout is less than 120seconds, NS defaults to 120seconds timeout. type: float kaprobeupdatelastactivity: choices: - ENABLED - DISABLED description: - Update last activity for KA probes type: str mptcppendingjointhreshold: description: - Maximum system level pending join connections allowed. type: float mptcpimmediatesfcloseonfin: choices: - ENABLED - DISABLED description: - Allow subflows to close immediately on FIN before the DATA_FIN exchange is completed at mptcp level. type: str mptcpclosemptcpsessiononlastsfclose: choices: - ENABLED - DISABLED description: - Allow to send DATA FIN or FAST CLOSE on mptcp connection while sending FIN or RST on the last subflow. type: str
changed: description: Indicates if any change is made by the module returned: always sample: true type: bool diff: description: Dictionary of before and after changes returned: always sample: after: key2: pqr before: key1: xyz prepared: changes done type: dict diff_list: description: List of differences between the actual configured object and the configuration specified in the module returned: when changed sample: - 'Attribute `key1` differs. Desired: (<class ''str''>) XYZ. Existing: (<class ''str''>) PQR' type: list failed: description: Indicates if the module failed or not returned: always sample: false type: bool loglines: description: list of logged messages by the module returned: always sample: - message 1 - message 2 type: list