Maintained by: NLnet Labs

[Unbound-users] multicast address alerts in logs

Alexander Clouter
Sat Mar 5 02:44:15 CET 2011


Alexander Clouter <alex at digriz.org.uk> wrote:
>> 
>> 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
>> 
>> Are these anything to worry about?  What does this message actually mean?
>>
> Yes, as DNS queries are not being forwarded and most probably will fail.
> 
Sorry, did not pay attention to your subject line and now see the 
address is a multicast address.  Nothing to worry about :)

Cheers

-- 
Alexander Clouter
.sigmonster says: Curiosity killed the cat, but satisfaction brought her back.