dhcp server in larger networks throws exception

[timo0]

My network is defined as 10.10.0.1/21.

I've setuped the dhcpd as follows:

Gateway IP: 10.89.0.1
Range of IP addresses: 10.89.6.1 - 10.89.7.254
Subnet mask: 255.255.248.0

This can be saved but if I start the server the following exception occures:

AdGuardHome/internal/dhcpd/v4.go

Line 661 in ab8defd

return s, fmt.Errorf("dhcpv4: range end IP should match range start IP")

If I use a "standard" 255.255.255.0 network everithing is fine.

[ameshkov]

@ainar-g please take a look

[ainar-g]

@ameshkov, judging by the current code, we only support ranges within one /24 network, although I couldn't find that explicitly documented anywhere in our docs. All current tests only check that behaviour. Expanding that functionality to arbitrary networks (and doing that properly, too) may take some time.

[ameshkov]

Let's reassign to v0.106 then

[ainar-g]

Should be fixed on the edge channel as of snapshot 9736123. Can you please check if our solution fixes the issue for you?

The previous snapshot had a couple of bad bugs. Please verify the snapshot 5243399 instead.

[timo0]

Maybe you could short describe how to update to a snapshot?

[ainar-g]

That depends on how you installed it initially, the OS, and the CPU architecture. Most of the ways are described in our Wiki. The section on “how to update” might be useful to you, except that you need to download the build from a slightly different URL. For example, the address of the latest edge package for a Linux system on an AMD64 CPU is https://static.adguard.com/adguardhome/edge/AdGuardHome_linux_amd64.tar.gz.

(On a side note, we should probably describe the process better on our Wiki. I filed #2841 for that. Thanks!)

[timo0]

Thanks, I've now version v0.106.0-a.69+eb9526cc and this works! Thanks!

[ainar-g]

Thank you for making sure! If you encounter new problems, please file a new issue.