Cấu Hình IP Tĩnh Và DNS Cho FreePBX

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Contents

Cấu hình Setting Asterisk Sip :

Tiếp tục sau khi đăng nhập vào FreePBX, ta sẽ tiếp tục cấu hình địa chỉ IP cho FreePBX, để tránh các sự cố về âm thanh.

Chỉnh IP tĩnh và cấu hình DNS :

Khi FreePBX được cài đặt lần đầu tiên, nó được cấu hình sẵn để nhận IP từ DHCP server. Vì thế chúng ta cần gán lại IP tĩnh cho FreePBX, để các điện thoại không bị mất cấu hình mỗi lần FreePBX đổi IP khác từ DHCP. Cách dễ nhất để gán IP tĩnh cho FreePBX là cấu hình DHCP luôn gán một địa chỉ IP cố định cho tổng đài điện thoại của chúng ta.

Điều này đảm bảo rằng nếu các cài đặt DHCP sau này thay đổi, chẳng hạn như thay đổi cài đặt máy chủ DNS, thì PBX sẽ nhận được các cài đặt mới này. Còn nếu không, chúng ta phải cấu hình IP tĩnh cho FreePBX không sử dụng DHCP.

Từ giao diện quản trị, ta vào System Admin -> Network Settings :

network setting Cấu Hình IP Tĩnh Và DNS Cho FreePBX

Đổi IP Protocol sang “ none “, và nhập vào địa chỉ IP tĩnh muốn gán. Ta nhập luôn cả subnet mask (255.255.255.0) và default gateway (192.168.1.1).

Khi đã hoàn thành, click vào Save.

Tiếp theo, ta nhập địa chỉ IP mới vào trình duyệt web. Trở về System Admin và set thủ công DNS server.

Để chỉnh DNS, ta đi đến phần DNS ở mục System Admin và chọn DNS ở màn hình bên tay phải. Ta có màn hình :

dns-freepbx Cấu Hình IP Tĩnh Và DNS Cho FreePBX

Bản FreePBX này đã cài đặt DNSMASQ để đảm bảo hệ thống DNS vẫn được duy trì trong trường hợp mất kết nối Internet. Lưu ý DNSMASQ sẽ không hoạt động nếu địa chỉ IP 127.0.0.1 không được khai đầu tiên. 2 địa chỉ tiếp theo là DNS của Google. Nếu thích, bạn có thể thay thế 2 địa chỉ này bằng một DNS server khác.

Sau khi hoàn thành, ta bấm “ submit “.

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