If the method succeeds, rc is 0 else rc > 0. Values above 0x8000 indicate Warnings.

If the method succeeds, message is NULL else message contains Error/Warning message.

Pointer to the protocoltcp List.

Clear the statsistics / counters

Connections to a server currently responding to requests.

Server connections in the Opening state, which indicates that the handshakes are not yet complete.

Client connections in the Opening state, which indicates that the handshakes are not yet complete.

Current client connections in the Established state, which indicates that data transfer can occur between the Citrix ADC and the client.

Current server connections in the Established state, which indicates that data transfer can occur between the Citrix ADC and the server.

TCP packets received.

TCP packets received.

Bytes of TCP data received.

Bytes of TCP data received.

TCP packets transmitted.

TCP packets transmitted.

Bytes of TCP data transmitted.

Bytes of TCP data transmitted.

Client connections, including connections in the Opening, Established, and Closing state.

Client connections in the Closing state, which indicates that the connection termination process has initiated but is not complete.

Client connections opened by the Citrix ADC since startup (after three-way handshake). This counter is reset when the Citrix ADC is restarted.

Client connections opened by the Citrix ADC since startup (after three-way handshake). This Rateer is reset when the Citrix ADC is restarted.

Server connections, including connections in the Opening, Established, and Closing state.

Server connections in the Closing state, which indicates that the connection termination process has initiated but is not complete.

Server connections initiated by the Citrix ADC since startup. This counter is reset when the Citrix ADC is restarted.

Server connections initiated by the Citrix ADC since startup. This Rateer is reset when the Citrix ADC is restarted.

Connections in the surge queue. When the Citrix ADC cannot open a connection to the server, for example when maximum connections have been reached, the Citrix ADC queues these requests.

Spare connections available. To save time and resources in establishing another connection for a new client, the connection on the server is not closed after completing the request from the first client and is available for serving future requests.

Client connections that are flushed because the client has been idle for some time.

Client connections that are flushed because the client has been idle for some time.

Half-opened client connections that are flushed because the three-way handshakes are not complete.

Half-opened client connections that are flushed because the three-way handshakes are not complete.

Active half-closed client connections that are flushed because the client has closed the connection and there has been no activity on the connection.

Active half-closed client connections that are flushed because the client has closed the connection and there has been no activity on the connection.

Passive half-closed client connections that are flushed because the Citrix ADC has closed the connection and there has been no activity on the connection.

Passive half-closed client connections that are flushed because the Citrix ADC has closed the connection and there has been no activity on the connection.

Server connections that are flushed because there have been no client requests in the queue for some time.

Server connections that are flushed because there have been no client requests in the queue for some time.

Half-opened server connections that are flushed because the three-way handshakes are not complete.

Half-opened server connections that are flushed because the three-way handshakes are not complete.

Active half-closed server connections that are flushed because the server has closed the connection and there has been no activity on the connection.

Active half-closed server connections that are flushed because the server has closed the connection and there has been no activity on the connection.

Passive half-closed server connections that are flushed because the Citrix ADC has closed the connection and there has been no activity on the connection.

Passive half-closed server connections that are flushed because the Citrix ADC has closed the connection and there has been no activity on the connection.

Times the Zombie cleanup function is called. Every time a connection is flushed, it is marked for cleanup. The Zombie cleanup function clears all these connections at predefined intervals.

Times the Zombie cleanup function is called. Every time a connection is flushed, it is marked for cleanup. The Zombie cleanup function clears all these connections at predefined intervals.

SYN packets received

SYN packets received

Probes from the Citrix ADC to a server. The Citrix ADC sends a SYN packet to the server to check its availability and expects a SYN_ACK packet from the server before a specified response timeout.

Probes from the Citrix ADC to a server. The Citrix ADC sends a SYN packet to the server to check its availability and expects a SYN_ACK packet from the server before a specified response timeout.

FIN packets received from the server.

FIN packets received from the server.

FIN packets received from the clients.

FIN packets received from the clients.

SYN packets (packets used to initiate a TCP connection) received on connections that are in the TIME_WAIT state. Packets cannot be transferred on a connection in this state.

SYN packets (packets used to initiate a TCP connection) received on connections that are in the TIME_WAIT state. Packets cannot be transferred on a connection in this state.

Bytes of data received on connections that are in the TIME_WAIT state. Data cannot be transferred on a connection that is in this state.

Bytes of data received on connections that are in the TIME_WAIT state. Data cannot be transferred on a connection that is in this state.

SYN packets held on the Citrix ADC that are waiting for a server connection.

SYN packets held on the Citrix ADC that are waiting for a server connection.

SYN packets flushed on the Citrix ADC because of no response from the server for three or more seconds.

SYN packets flushed on the Citrix ADC because of no response from the server for three or more seconds.

Connections closed on the Citrix ADC because the number of connections in the TIME_WAIT state has exceeded the default value of 7000.

Connections closed on the Citrix ADC because the Rate of connections in the TIME_WAIT state has exceeded the default value of 7000.

Packets received with a TCP checksum error.

Packets received with a TCP checksum error.

Packets received following a connection termination request. This error is usually caused by a reordering of packets during transmission.

Packets received following a connection termination request. This error is usually caused by a reordering of packets during transmission.

SYN packets received on a connection that is in the SYN_RCVD state. A connection goes into the SYN_RCVD state after receiving a SYN packet.

SYN packets received on a connection that is in the SYN_RCVD state. A connection goes into the SYN_RCVD state after receiving a SYN packet.

SYN packets received on a connection that is in the ESTABLISHED state. A SYN packet is not expected on an ESTABLISHED connection.

SYN packets received on a connection that is in the ESTABLISHED state. A SYN packet is not expected on an ESTABLISHED connection.

Incorrect ACK packets received on a connection that is in the SYN_SENT state. An incorrect ACK packet is the third packet in the three-way handshake that has an incorrect sequence number.

Incorrect ACK packets received on a connection that is in the SYN_SENT state. An incorrect ACK packet is the third packet in the three-way handshake that has an incorrect sequence Rate.

Reset packets received from a client or a server.

Reset packets received from a client or a server.

Reset packets received on a connection that is not in the ESTABLISHED state.

Reset packets received on a connection that is not in the ESTABLISHED state.

Reset packets received on a connection that is out of the current TCP window.

Reset packets received on a connection that is out of the current TCP window.

Reset packets received on a connection that is in the TIME_WAIT state. Packets cannot be transferred on a connection in the TIME_WAIT state.

Reset packets received on a connection that is in the TIME_WAIT state. Packets cannot be transferred on a connection in the TIME_WAIT state.

Out of order TCP packets received from a server.

Out of order TCP packets received from a server.

Out of order TCP packets received from a client.

Out of order TCP packets received from a client.

TCP holes created on a client connection. When out of order packets are received from a client, a hole is created on the Citrix ADC for each group of missing packets.

TCP holes created on a client connection. When out of order packets are received from a client, a hole is created on the Citrix ADC for each group of missing packets.

TCP holes created on a server connection. When out of order packets are received from a server, a hole is created on the Citrix ADC for each group of missing packets.

TCP holes created on a server connection. When out of order packets are received from a server, a hole is created on the Citrix ADC for each group of missing packets.

SYN cookie packets rejected because they contain an incorrect sequence number.

SYN cookie packets rejected because they contain an incorrect sequence Rate.

SYN cookie packets rejected because they contain an incorrect signature.

SYN cookie packets rejected because they contain an incorrect signature.

SYN cookie packets dropped because the sequence number specified in the packets is outside the current window.

SYN cookie packets dropped because the sequence Rate specified in the packets is outside the current window.

SYN cookie packets rejected because the maximum segment size (MSS) specified in the packets is incorrect.

SYN cookie packets rejected because the maximum segment size (MSS) specified in the packets is incorrect.

Port allocations that have failed on a mapped IP address because the maximum limit of 65536 has been exceeded.

Port allocations that have failed on a mapped IP address because the maximum limit of 65536 has been exceeded.

Port allocations that have failed on a subnet IP address or vserver IP address because the maximum limit of 65536 has been exceeded.

Port allocations that have failed on a subnet IP address or vserver IP address because the maximum limit of 65536 has been exceeded.

Number of stray or misrouted packets.

Rate of stray or misrouted packets.

Reset packets sent to a client or a server.

Reset packets sent to a client or a server.

Connections that are not in a valid TCP state.

Connections that are not in a valid TCP state.

Reset packets dropped because the default threshold of 100 resets per 10 milliseconds has been exceeded. This is a configurable value using the set rateControl command.

Reset packets dropped because the default threshold of 100 resets per 10 milliseconds has been exceeded. This is a configurable value using the set rateControl command.

Packets received that are out of the current advertised window.

Packets received that are out of the current advertised window.

SYN packets dropped because of network congestion.

SYN packets dropped because of network congestion.

Packets retransmitted by a client. This usually occurs because the acknowledgement from the Citrix ADC has not reached the client.

Packets retransmitted by a client. This usually occurs because the acknowledgement from the Citrix ADC has not reached the client.

Full packets retransmitted by the client or the server.

Full packets retransmitted by the client or the server.

SYN packets resent to a server.

SYN packets resent to a server.

Attempts to establish a connection on the Citrix ADC that timed out.

Attempts to establish a connection on the Citrix ADC that timed out.

TCP packets retransmitted. The Citrix ADC attempts to retransmit the packet up to seven times, after which it resets the other half of the TCP connection.

TCP packets retransmitted. The Citrix ADC attempts to retransmit the packet up to seven times, after which it resets the other half of the TCP connection.

Packets retransmitted once by the Citrix ADC.

Packets retransmitted once by the Citrix ADC.

Packets retransmitted three times by the Citrix ADC.

Packets retransmitted three times by the Citrix ADC.

Packets retransmitted five times by the Citrix ADC.

Packets retransmitted five times by the Citrix ADC.

Packets retransmitted seven times by the Citrix ADC. If this fails, the Citrix ADC terminates the connection.

Packets retransmitted seven times by the Citrix ADC. If this fails, the Citrix ADC terminates the connection.

TCP packets on which the Citrix ADC performs a fast retransmission in response to three duplicate acknowledgements or a partial acknowledgement. The Citrix ADC assumes that the packet is lost and retransmits the packet before its time-out.

TCP packets on which the Citrix ADC performs a fast retransmission in response to three duplicate acknowledgements or a partial acknowledgement. The Citrix ADC assumes that the packet is lost and retransmits the packet before its time-out.

Packets retransmitted by a server. This usually occurs because the acknowledgement from the Citrix ADC has not reached the server.

Packets retransmitted by a server. This usually occurs because the acknowledgement from the Citrix ADC has not reached the server.

Partial packet retransmits by a client or server due to congestion on the connection. This usually occurs because the window advertised by the Citrix ADC is not big enough to hold the full packet.

Partial packet retransmits by a client or server due to congestion on the connection. This usually occurs because the window advertised by the Citrix ADC is not big enough to hold the full packet.

FIN packets resent to a server or a client.

FIN packets resent to a server or a client.

Connections that were timed out by the Citrix ADC because of not receiving the ACK packet after retransmitting the FIN packet four times.

Connections that were timed out by the Citrix ADC because of not receiving the ACK packet after retransmitting the FIN packet four times.

Packets retransmitted twice by the Citrix ADC.

Packets retransmitted twice by the Citrix ADC.

Packets retransmitted four times by the Citrix ADC.

Packets retransmitted four times by the Citrix ADC.

Packets retransmitted six times by the Citrix ADC.

Packets retransmitted six times by the Citrix ADC.

Number of times Citrix ADC terminates a connection after retransmitting the packet seven times on that connection.Retrasnmission happens when recieving end doesn't acknowledges the packet.

Rate of times Citrix ADC terminates a connection after retransmitting the packet seven times on that connection.Retrasnmission happens when recieving end doesn't acknowledges the packet.

Number of times TCP level client header insertion failure

Rate of times TCP level client header insertion failure