AdGuard

AdGuard-LXC

Network

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IP:	192.168.88.2
MAC:	8E:02:AF:95:EB:35

System

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OS:	Debian Bullseye
RAM:	256MB
Cores:	1
Privileged:	No

The AdGuard Home is reachable under 192.168.88.2 which is located in the ServerVLAN.

AdGuard Home serves as the DNS-Server for the internal network.

Basic Setup

Installation

Enter this command to install AdGuard

curl -s -S -L https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s -- -v

Configure Mikrotik Router

Added a script to the mikrotik scheduler to secure a fallback dns if AdGuard server fails

# set variables
:local fallbackDNS 8.8.8.8,8.8.4.4;
:local AdGuard 192.168.88.4;
:local currentDNS; 
:set $currentDNS [/ip dns get servers];

:do {
  :put [resolve google.com server=$AdGuard];
  if ($currentDNS!=AdGuard) do={
    :log info "DNS Failover: Switching to AdGuard";
    ip dns set servers $AdGuard
    ip dns cache flush
  } else={}
} on-error={ :set $currentDNS [/ip dns get servers];
  if ($currentDNS!=$fallbackDNS) do={
    :log info "DNS Failover: Switching to FallbackDNS"; 
    ip dns set servers $fallbackDNS;
  } else={:log info "DNS Failover: AdGuard Unavailable"} 
}

Sources

• AdGuard Installation Guide