Draytek Telnet Command 1.11 - Manual (Page 85)

Telnet Command Reference Guide V1.1 79
2.17.14 sys qrybuf
This command can display the system memory status and leakage list.
Example
> sys qrybu f
System Memory Status and Leakage List
# of free L-Buffer=128, minimum=126, leak num:0
# of free M-Buffer=32, minimum=32, leak num:0
# of free Nc-Buffer=42, minimum=17