Maintained by: NLnet Labs

[Unbound-users] multicast address alerts in logs

Phil Mayers
Sat Mar 5 01:49:50 CET 2011


On 03/04/2011 04:17 PM, Michael Watters wrote:
> Hello,
>
> We are running several unbound nodes using anycast and I keep seeing
> this error in the log files.
>
> Jan 18 11:07:15 rcn-b3s5-01 unbound: [3856:0] notice: sendto failed:
> Invalid argument
> Jan 18 11:07:15 rcn-b3s5-01 unbound: [3856:0] notice: remote address is
> 244.254.254.254 port 53

That's not a multicast address; it's an (unusable) class-E 240/4 address.

Weird to see traffic to it...

Maybe someone has some bad glue?