display engine session statistics

Function

The display engine session statistics command displays session statistics for the engine.

Format

display engine session statistics [ slot slot-id cpu cpu-id ]

Parameters

Parameter	Description	Value
slot slot-id	Specifies a slot ID.	The value varies depending on the device configuration.
cpu cpu-id	Specifies a CPU ID.	The value varies depending on the device configuration.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

The session statistics of the specified virtual system or all systems can be viewed only in the root system. In a virtual system, you can view only the session statistics of the virtual system.

Prerequisites

Before running this command, you must run the defence engine enable command to enable the IAE.

Example

# Displays session statistics for the engine.

<HUAWEI> display engine session statistics

Engine session statistic on slot 0 cpu 0 :                                      
------------------------------------------------------------------------------  
                                                                                
  Engine Session Statistic Information of All Threads:                          
--------------------------------------------------------------------------------
  Total Current Sessions               :            0                           
  Total Current UDP Sessions           :            0                           
  Total Current TCP Sessions           :            0                           
  Total Blocked Sessions               :            0                           
  Total Current Free Sessions          :        10000                           
  Total Current Buffered TCP Segments  :            0                           
  Total Out-of-sequence TCP Segments   :            0                           
  Total Overlapping TCP Segments       :            0                           
  Total Current Free TCP Segments      :         1000                           
--------------------------------------------------------------------------------
  Engine Session Statistic Information of Each Thread:                          
--------------------------------------------------------------------------------
  T00: NgeSess       0, sent:            0 rcv:            0 lost:            0

**Table 1** Description of the **display engine session statistics** command output
Item	Description
Engine Session Statistic Information of All Threads	Session statistics for the engines used by all threads
Total Current Sessions	Total number of all sessions
Total Current UDP Sessions	Total number of UDP sessions
Total Current TCP Sessions	Total number of TCP sessions
Total Blocked Sessions	Total number of blocked sessions
Total Current Free Sessions	Total number of idle session nodes
Total Current Buffered TCP Segments	Total number of cached TCP segments
Total Out-of-sequence TCP Segments	Total number of out-of-sequence TCP segments
Total Overlapping TCP Segments	Total number of overlapped TCP segments
Total Current Free TCP Segments	Total number of TCP segments that can be cached
Engine Session Statistic Information of Each Thread	Session statistics for the engine used by each thread
NgeSess	Number of sessions
sent	Number of sent packets
rcv	Number of received packets
lost	Number of discarded packets