Notify messages not sent by the -a ip address?

NSD
1

Hello,

I've an NSD configured to listen on a virtual interface, launched with the -a flag. I noticed that when sending out notify messages, this IP is not used as source address, NSD uses the main IP of the server instead.

Is this wanted behaviour? I guess not because the slave server doesn't seem to consider the notify message it receive, I suppose it's because it is not sent from the master server address.

Or have I missed something?

Thanks for any help,

Antoine.

2

Antoine Delvaux wrote:

Hello,

I've an NSD configured to listen on a virtual interface, launched with the -a flag. I noticed that when sending out notify messages, this IP is not used as source address, NSD uses the main IP of the server instead.

Is this wanted behaviour? I guess not because the slave server doesn't seem to consider the notify message it receive, I suppose it's because it is not sent from the master server address.

Or have I missed something?

The nsd-notify is independent of the nsd program so does not know about any -a flags. Right now there isn't much you can do about this, except modify nsd-notify to first bind a socket to the virtual IP address and then use this to send the UDP notify message.

Erik

PS I'll be gone the next couple of days for the Easter holiday and will be back on Tuesday.