ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

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ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

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ZoloNN

2025-06-03 11:00:08 - last edited 2025-06-04 01:00:49

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ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

2025-06-03 11:00:08 - last edited 2025-06-04 01:00:49

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Model: ER605 (TL-R605)

Hardware Version: V2

Firmware Version: 2.3.0

Hi all,

in reference to my post in Router section I would like to ask and suggest minor configuration modification:

Q 1: based on my nmap scan, the DNS uses unbound 1.18.0 instead of standard dnsmasq DNS feature (standard in openWRT). is this true?

53/udp   open  domain     Unbound 1.18.0
|_dns-recursion: Recursion appears to be enabled
| dns-nsid: 
|   id.server: ER605
|_  bind.version: unbound 1.18.0

Q 2: why is unbound used instead of dnsmasq which contains DNS functionality?

Suggestion:

allow integration between DHCP (probably dnsmasq) and unbound as described in following OpenWRT README by changing of config files

/BR ZoloNN ----------------------------------------------------------------------------------- Omada 2x ER605(UN) v2.0 + SG2008P(UN) V3.20 + SG2218 V1.20 + 2x SG2008 V4.20 + 3x EAP615-Wall(EU) V1.0

1 Reply

Clive_A

2025-06-04 00:59:19

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Re:ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

2025-06-04 00:59:19

@ZoloNN

It does not support dynamic mapping the DNS and DHCP. The feature now only supports static DNS. This is expected behavior and a feature for now.

What you reported here is aware by our team.

I don't have any comments or information on the dev perspective or plan. If you pose related stuff discussing the hardware spec and software dev details, I am not gonna join the conversation as instructed.

Thank you for your understanding.

ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

ER605 new "LAN DNS" feature in 2.3.0 firmware doesn't resolve local hosts registered via DHCP

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