Fixed it for meOk, SMNP lets work after next step:
1. Chekbox "Enable" in SMNP turn OFF
2. Reboot router from menu
3. Chekbox "Enable" in SMNP turn ON
4. OIDs can visible from DUDE scaner and Zabbix
/tool e-mail send to="admin@example.com" subject=("DHCP Alert on ".[/system identity get name]) body=" $address $interface $server $"mac-address"";