GW1600 - SNMP settings didn't work

Hi,
Just tried to configure snmp v2c on my GW1600.

I set snmp version to v2c, set v2c community different to 'public', setted up sysName and sysLocation. Saved and applied it. But something gone wrong.

sysName and sysLocation аre shown in web-interface but not applied in config file /etc/asterisk/gw/snmp/snmpd.conf

v2c community is applied in config. But snmpwalk -v2c is not working at all.

The only working way is snmp v1 with default 'public' community: snmpwalk -v1 -c public <gsm-gw-address>

Hi,
I will give you response after test this .

> setted up sysName and sysLocation

sorry, not sysName but sysContact

please give the information of system->information .
for more convenient contact ,you can contact my skype:dario.hu2.

system :: information
===================

Product Name: VS_USB-1020
Model Description: GSM: 850/900/1800/1900MHz
Software Version: 2.1.30
Hardware Version: 1.0
SYSTEM UUID: 150100414a5444345206ff0afacfb600
Slot Number: 1
Storage Usage: 20.7M/487.9M (5%)
Memory Usage: 37.1902 % Memory Clean
Build Time: 2021-11-25 10:21:13
Contact Address: Room 624, 6/F, TsingHua Information Port, QingQing Road, LongHua Street, LongHua District, ShenZhen
Tel: +86-755-82535461
Fax: +86-755-83823074
E-Mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Web Site: www.openvox.cn
Rebooting Counts: 16
System Time: 2022-6-6 11:07:42
System Uptime: 3 days 21:44:57

so, what about snmp?
in v1 it doesn`t show cpu, ram and interfaces. It`s useless at all.
I use LibreNMS for monitoring. This host was identified as a generic linux host.
But with no any sensors at all. Just ping and general snmp data.