Re: ARP response with link local IP, why not broadcast

2015-07-28 Thread Sebastian Fett
Just a quick update on the subject. Thanks for the input. It's good to see that I am not the only one that has this problem. Right now we go with our initial approach and bcast our arp responses. We have a very local network build only for one purpose. Other devices in that network use the same

Re: ARP response with link local IP, why not broadcast

2015-07-22 Thread David Miller
From: Sebastian Fett db_ext...@gmx.de Date: Wed, 22 Jul 2015 09:49:49 +0200 I think that behaviour is acceptable because it only happens in local networks. Waking up sleeping devices will not be a concern there. No, it is not acceptable. If your laptop or cell phone's wireless interface is

Re: ARP response with link local IP, why not broadcast

2015-07-22 Thread Sebastian Fett
On Tue, Jul 21, 2015 at 4:38 PM, Sebastian Fett db_ext...@gmx.de wrote: Hello! According to RFC3927 every ARP packet (reply and request) should be sent as link layer broadcast as long as the sender IP is a link local address. (see chapter 2.5). Because broadcast replies are noisy and should

Re: ARP response with link local IP, why not broadcast

2015-07-22 Thread Sowmini Varadhan
On Wed, Jul 22, 2015 at 9:49 AM, Sebastian Fett db_ext...@gmx.de wrote: what is your use case? My problem ist a local network of audio devices. It is a valid possibility that two halfs of the setup are set up individually (Stage left and stage right). Both local networks will auto configure

Re: ARP response with link local IP, why not broadcast

2015-07-21 Thread Sowmini Varadhan
On Tue, Jul 21, 2015 at 4:38 PM, Sebastian Fett db_ext...@gmx.de wrote: Hello! According to RFC3927 every ARP packet (reply and request) should be sent as link layer broadcast as long as the sender IP is a link local address. (see chapter 2.5). Because broadcast replies are noisy and should

ARP response with link local IP, why not broadcast

2015-07-21 Thread Sebastian Fett
Hello! According to RFC3927 every ARP packet (reply and request) should be sent as link layer broadcast as long as the sender IP is a link local address. (see chapter 2.5). That functionality would help me a lot with a use case I have with our application. But it is not implemented in the