Internal "Memory limiter" command

kyssling

Hi, please can anybody answer my question, if internal command memory limiter is on FW4.39 on USG 110 ?

Zyxel_Emily

Hi @kyssling,

(1) The new commands "mem-conserve" will be updated in the next CLI reference guide.

(2) The new commands "mem-conserve" are Zyxel memory protection design.

You don't have to clear/drop memory cache using the command "debug memory-limiter". Each ZyWALL USG model has a limited amount of memory to be shared by all features. If all of that memory is in use, system operations may be affected. To be able to control how ZyWALL USG acts when the amount of available memory is very low, ZyWALL USG enters protection mode. Memory protection mode causes ZyWALL USG functions, such as anti-virus scanning, to change how they operate to reduce functionality and conserve memory.

Zyxel_Emily

Hi @kyssling,

The command "debug memory-limiter watermark" and 'debug show memory-limiter status" don't exist in firmware 4.38 and 4.39.

We replace them with the following commands.

Enhancement in V4.38: Add CLI commands for Memory conserve mode.

 

show mem-conserve status

[no] mem-conserve activate

[no] mem-conserve

[no] mem-conserve _page-order <0..10>

[no] mem-conserve av-bypass rising-threshold <1..4000>

[no] mem-conserve av-bypass falling-threshold <1..4000>

[no] mem-conserve av-bypass sustained-time <1..60>

[no] mem-conserve utm-bypass rising-threshold <1..4000>    => When memory returns back to this value, UTM is on automatically.

[no] mem-conserve utm-bypass falling-threshold <1..4000>  => When memory is less than this value, UTM is off automatically.

[no] mem-conserve utm-bypass sustained-time <1..60>         => How frequently the memory usage is checked.

kyssling

Very thanks for information ! Cany you please answer me two question ?

1) Is any fresher guide than :

https://download.zyxel.com/USG110/cli_reference_guide/USG110_9.pdf

2) It is possible to replace commands with new "mem-conserve"

debug memory-limiter drop-cache-periodic 60

debug memory-limiter watermark 10000

debug memory-limiter activate

Zyxel_Emily

Hi @kyssling,

(1) The new commands "mem-conserve" will be updated in the next CLI reference guide.

(2) The new commands "mem-conserve" are Zyxel memory protection design.

You don't have to clear/drop memory cache using the command "debug memory-limiter". Each ZyWALL USG model has a limited amount of memory to be shared by all features. If all of that memory is in use, system operations may be affected. To be able to control how ZyWALL USG acts when the amount of available memory is very low, ZyWALL USG enters protection mode. Memory protection mode causes ZyWALL USG functions, such as anti-virus scanning, to change how they operate to reduce functionality and conserve memory.