Global TCP stall summary (-G) report

This report is displayed when the -G option is specified on the trmdstat command. It displays the summary of global TCP stall events. The information presented in this report is derived from EZZ8671I, EZZ8672I, EZZ8673I, and EZZ8674I types of syslog messages. In the Connections Reset and Connections Would Have Been Reset sections, information is sorted by remote IP address.

>trmdstat -G /tmp/tstlog.log
trmdstat for z/OS CS V2R1  Fri Nov 25 13:16:37 2011
                                                    
Command Entered     : trmdstat -G /tmp/tstlog.log
Log Time Interval   : Oct 29 18:02:33  - Oct 29 18:53:33
Stack Time Interval : Oct 29 18:02:19  - Oct 29 18:53:21
TRM Records Scanned : 504                               
                                                        
               Global TCP Stall Summary                 
                                                        
Global TCP Stall Entered:  1                            
Global TCP Stall Exited:   1                            
Global TCP Stall Duration: 2920                         
                                                        
               Connections Reset                        
                                                        
No records to display                                   
                                                        
               Connections Would Have Been Reset       
                                                       
            Remote IP Address             Count       
--------------------------------------- ----------   
10.11.2.1                                      126   
10.12.2.1                                      125   
2001:db8:10::11:2:1                            126   
2001:db8:10::12:2:1                            125

The following information describes the areas of the global TCP stall summary report:

Global TCP Stall Entered: The number of global TCP stall enter conditions that have been detected.
Global TCP Stall Exited: The number of global TCP stall exit conditions that have been detected.
Global TCP Stall Duration: The accumulated duration, in seconds, of the global TCP stall conditions that have ended. Global TCP Stall Duration is non-zero if the TCP/IP stack has experienced at least one global TCP stall that has ended.
Remote IP Address: The remote IP address of one or more stalled TCP connections.
Count: The number of stalled TCP connections with the remote IP address that contributed to a global TCP stall condition. When the global TCP stall condition was detected, the connections were reset if a reset action was requested in the Intrusion Detection Services (IDS) policy for the global TCP stall attack type.
messages suppressed: The number of attack messages suppressed with attack type, date and time. This data comes from an EZZ9327I message. See in The trmdstat report general concept for a detailed description.