display stream-reassemble configuration

Function

The display stream-reassemble configuration command displays the global TCP stream reassembly configuration.

Format

display stream-reassemble configuration [ slot slot-id cpu cpu-id ]

Parameters

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

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

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

Example

# Display the global TCP stream reassembly configuration.

<HUAWEI> display stream-reassemble configuration
Stream reassemble configuration on slot 0 cpu 0 :
------------------------------------------------------------------------------
Stream Reassembly Configuration:
------------------------------------------------------------
  enable                : on
  overflow-mode         : discard
  overlap-mode          : overwrite
  session-cache(KB)     : 16
  total-cache(packets)  : 1000
  timestamp-check       : true
  tcp-option check      : true
  defense-check         : on
  session-timeout(s)    : 60
  enhanced-mode         : on
------------------------------------------------------------

**Table 1** Description of the **display stream-reassemble configuration** command output
Item	Description
Stream reassemble configuration on slot 0 cpu 0	TCP stream reassembly configuration on slot 0 cpu 0.
enable	Indicates the state of the TCP stream reassembly function. on: The function is enabled. off: The function is disabled.
overflow-mode	Indicates the method for handling packets arriving at a full buffer in stream reassembly. discard: Packets arriving at a full buffer are discarded. forward: Packets arriving at a full buffer are forwarded straight through.
overlap-mode	Indicates the policy to handle overlapping packets: overwrite: Indicate overwrite the original overlapped part. preserve: Indicate preserve the original overlapped part.
session-cache(KB)	Indicates the buffer size in KB for each session in TCP stream reassembly.
total-cache(packets)	Global buffer size in number of packets in stream reassembly.
timestamp-check	Indicates the state of the timestamp check function. true: The function is enabled. false: The function is disabled.
tcp-option check	Indicates the state of the TCP option check function. true: The function is enabled. false: The function is disabled.
defense-check	Indicates the status of the TCP attack defense function: on: The function is enabled. off: The function is disabled.
session-timeout(s)	Indicates the timeout of out-of-sequence TCP packet inspection, in seconds.
enhanced-mode	Status of enhanced traffic reassembly: on: The function is enabled. off: The function is disabled.