Cabletron Systems Cabletron CyberSWITCH CSX5500 User Manual

Also see for CyberSWITCH 5500: Quick start Manual

Contents

Central Site Remote Access Switch 655SYSTEM S TATISTICSTCP StatisticsTCP S TATISTICSYou can access these statistics by issuing thetcp stats console command.tcpRtoAlgorithmThe algorithm used to determine the timeout value used for retransmitting unacknowledgedoctets. This value is always equal to 4 for the Van Jacobson’s algorithm.tcpRtoMinThe minimum value permitted by a TCP implementation for the retransmission timeout, measuredin milliseconds.tcpRtoMaxThe maximum value permitted by a TCP implementation for the retransmission timeout, measuredin milliseconds.tcpMaxConnThe limit on the total number of TCP connections the system can support.tcpActiveOpensThe number of times TCP connections have made a direct transition to the SYN-SENT state fromthe CLOSED state.tcpPassiveOpensThe number of times TCP connections have made a direct transition to the SYN-RCVD state fromthe LISTEN state.tcpAttemptFailsThe number of times TCP connections have made a direct transition to the CLOSED state fromeither the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP connections havemade a direct transition to the LISTEN state from the SYN-RCVD state.tcpEstabResetsThe number of times TCP connections have made a direct transition to the CLOSED state fromeither the ESTABLISHED state or the CLOSE-WAIT state.tcpCurrEstabThe number of TCP connections for which the current state is either ESTABLISHED or CLOSE-WAIT. This counter is not currently kept up to date.tcpInSegsThe total number of segments received, including those received in error. This count includessegments received on currently established connections.tcpOutSegsThe total number of segments sent, including those on current connections but excluding thosecontaining only retransmitted octets.tcpRetransSegsThe total number of segments retransmitted (the number of tcp segments transmitted containingone or more previously transmitted octets).