[Bloat] mDNS

[Rich Brown]

> On Feb 27, 2024, at 12:00 PM, bloat-request at lists.bufferbloat.net wrote:
> 
> On 2/26/2024 6:28 AM, Rich Brown via Bloat wrote:
>> - Avoid the WAN port's DHCP assigned subnet (what if the ISP uses 
>> 192.168.1.0/24?)
> 
> I recently got ATT fiber and its modem won't let me assign from 
> 10.0.0.0/8! So I put a Raspberry Pi 4 in front of it.

Exactly! There are no rules about what subnet range an ISP's gear will assign to DHCP devices.

So (I believe) it becomes incumbent on OpenWrt to be smarter than the ISP's router (shouldn't be hard) and pick a separate subnet for its LAN & wireless interface. (Clearly, OpenWrt could default to 192.168.1.0/24, but if that's that range the ISP is using, it could switch to 192.168.2.0/24. I think that's all the flexibility that's required...)

And then advertise a mDNS name to make it easy for humans to connect. Who would notice?

- Newcomers wouldn't - they'd just connect and configure as described in the Wiki
- Grizzled OpenWrt old-timers wouldn't notice either, because they will have set their ISP device to use some other address range.

Any reason not to build this into OpenWrt? Thanks.

Rich
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