VyOS
VyOS 軟路由

VyOS 設定Cloudflare動態DNS(DDNS)
1. Cloudflare 建立API TOKEN 

 至 https://dash.cloudflare.com/profile/api-tokens 建立API TOKEN 

 使用DNS範本 

 

   

 選擇要使用的網域 

 

   

 記住此TOKEN 

 

   

 2. VyOS 設定DDNS 

 set service dns dynamic name VyOS-DNS address interface 'pppoe1'

set service dns dynamic name VyOS-DNS host-name 'router.example.com'

set service dns dynamic name VyOS-DNS password '****************'

set service dns dynamic name VyOS-DNS protocol 'cloudflare'

set service dns dynamic name VyOS-DNS zone 'example.com' 

 set service dns dynamic name VyOS-DNS address interface "要更新的IP或介面" 

set service dns dynamic name VyOS-DNS host-name "要更新的網域"

set service dns dynamic name VyOS-DNS password "API TOKEN"

set service dns dynamic name VyOS-DNS protocol "cloudflare"

set service dns dynamic name VyOS-DNS zone "主網域" 

 確認DNS狀態正常，當PPPOE重新取得新IP時即可向Cloudflare更新 

 lab@carrier-router:~$ show dns dynamic status 

Hostname IPv4 address IPv4 status IPv6 address IPv6 status Last update

--------------------- -------------- ------------- -------------- ------------- -------------------

router.example.com 36.232.125.32 good 2026-09-15 02:08:58 

 Sep 15 02:08:59 ddclient[26942]: SUCCESS: [cloudflare][router.example.com]> IPv4 address set to 36.232.125.32 

  

VyOS CLI時間戳
lab@carrier-router:~$ export PS1="\n[\$(date +'%F %T')] \n\u@\h:\w$ "

[2026-09-15 11:01:51] 

lab@carrier-router:~$ 

 登入後自動啟用，編輯~/.bashrc 在最底下加入即可