hardware fast-forwarding session fast-aging threshold

Function

The hardware fast-forwarding session fast-aging threshold command sets the threshold for triggering the fast aging of hardware fast forwarding sessions.

The undo hardware fast-forwarding session fast-aging threshold command restores the default threshold.

Format

hardware fast-forwarding session fast-aging { lower-threshold lower-threshold | upper-threshold upper-threshold }

undo hardware fast-forwarding session fast-aging{ lower-threshold | upper-threshold }

Parameters

Parameter	Description	Value
lower-threshold	Specifies the threshold for stopping the fast aging of fast forwarding sessions. After the usage of fast forwarding sessions falls below lower-threshold, the normal aging time of fast forwarding sessions is restored.	The value is an integer, in percentage. The value ranges from 10 to 100. The default value is 50.
upper-threshold	Specifies the threshold for triggering the fast aging of fast forwarding sessions. After the usage of fast forwarding sessions reaches upper-threshold, the fast aging of fast forwarding sessions is triggered.	The value is an integer, in percentage. The value ranges from 10 to 100. The default value is 80.

Parameter

Description

Value

lower-threshold

Specifies the threshold for stopping the fast aging of fast forwarding sessions.

After the usage of fast forwarding sessions falls below lower-threshold, the normal aging time of fast forwarding sessions is restored.

The value is an integer, in percentage. The value ranges from 10 to 100. The default value is 50.

upper-threshold

Specifies the threshold for triggering the fast aging of fast forwarding sessions.

After the usage of fast forwarding sessions reaches upper-threshold, the fast aging of fast forwarding sessions is triggered.

The value is an integer, in percentage. The value ranges from 10 to 100. The default value is 80.

Views

System view

Default Level

3: Management level

Usage Guidelines

In versions earlier than V600R007C20SPC200, all models support this command. For V600R007C20SPC200 and later versions, device batches are distinguished by BomID Version (which can be checked using the display version command). All models except the USG6680E and USG6712E/6716E whose BomID Version is 003 or later or whose device BOM numbers contain "-001" support this command.

To save fast forwarding sessions, if the usage of fast forwarding sessions reaches upper-threshold specified in the hardware fast-forwarding session fast-aging upper-threshold upper-threshold command, the FW starts the fast aging of fast forwarding sessions. The aging time of fast forwarding sessions is shortened according to the proportion specified in the hardware fast-forwarding session fast-aging threshold command. If the fast forwarding session usage falls below lower-threshold specified in the hardware fast-forwarding session fast-aging lower-threshold lower-threshold command, the FW stops the fast aging of fast forwarding sessions. The aging time of fast forwarding sessions is restored to the normal aging time.

Starting or stopping the fast aging of fast forwarding sessions takes effect only on new fast forwarding sessions. The aging time of existing fast forwarding sessions remains unchanged.

It is recommended that the difference between upper-threshold and lower-threshold be greater than 10. If the difference is too small, the aging and restoration of fast forwarding sessions may be triggered frequently, affecting service processing performance.

Example

# Set the threshold for triggering the fast aging of hardware fast forwarding sessions to 70% and the stop threshold to 40%.

<sysname> system-view
[sysname] hardware fast-forwarding session fast-aging upper-threshold 70
[sysname] hardware fast-forwarding session fast-aging lower-threshold 40