Command Manual – Routing Protocol 
Quidway S3900 Series Ethernet Switches-Release 1510 
Chapter 5  Route Capacity Configuration 
Commands
 
Huawei Technologies Proprietary 
5-6 
Use the undo memory command to restore the default safety value and lower limit of 
the switch free memory.  
Related command: memory auto-establish disable, memory auto-establish enable, 
and display memory limit. 
Example 
# Set the lower limit of the switch free memory to 1 MB and the safety value to 3 MB. 
<Quidway> system-view 
System View: return to User View with Ctrl+Z. 
[Quidway] memory safety 3 limit 1