try bumping net.inet.udp.sendspace by a bit (not loads - maybe 4x default?)
On 2025-08-21, Martin <i...@protonmail.com> wrote: > In my Unbound log on an OpenBSD router I see a lot of this: > > unbound: [3902:2] notice: sendto failed: Resource temporarily unavailable > unbound: [3902:2] notice: remote address is 192.168.1.23 port 44318 > unbound: [12836:0] notice: sendto failed: Resource temporarily unavailable > unbound: [12836:0] notice: remote address is 192.168.1.23 port 45759 > unbound: [65050:1] notice: sendto failed: Resource temporarily unavailable > unbound: [65050:1] notice: remote address is 192.168.1.23 port 52747 > unbound: [3902:2] notice: sendto failed: Resource temporarily unavailable > unbound: [3902:2] notice: remote address is 192.168.1.23 port 34709 > unbound: [12836:0] notice: sendto failed: Resource temporarily unavailable > unbound: [12836:0] notice: remote address is 192.168.1.23 port 47520 > unbound: [20311:3] notice: sendto failed: Resource temporarily unavailable > unbound: [20311:3] notice: remote address is 192.168.1.23 port 38662 > unbound: [65050:1] notice: sendto failed: Resource temporarily unavailable > > For different machines on the LAN, not just the one above. > > What exactly does this mean? > > All the machines query the router for an IP via DHCP and that works, and > they query it for DNS and all outgoing traffic works too. > > Kind regards > > -- Please keep replies on the mailing list.
