Darren, Since Camel 2.12, you can use this option to specify the interface to be used : networkInterface
Regards, On Tue, Oct 15, 2013 at 3:35 PM, Darren Dobkin <darren.dob...@noaa.gov>wrote: > Yes, and I have a lot more information now. The bottom line is that I > suspect the wrong interface is being selected in camel-netty. Here are the > details: > > I'm now testing a total of six interfaces on two machines. My VirtualBox > host is my Ubuntu laptop with three interfaces: localhost, vboxnet0 (the > VLAN), and wlan0 (my wi-fi card). The second machine is a virtual F19 with > localhost, p7p1 (the VLAN), and p2p1 (a NAT interface). I've disabled > firewalls on both machines and I'm running Wireshark on the Ubuntu host. > > On the Ubuntu host, I ran NettyUDPAsyncTest using three URIs: > > "netty:udp://localhost:{{port}}?sync=false" > > "netty://udp:// > 224.1.1.1:1201?sync=false&broadcast=true&networkInterface=wlan0" > > "netty://udp:// > 224.1.1.1:1201?sync=false&broadcast=true&networkInterface=vboxnet0" > > Using localhost, the test passes and Wireshark shows UDP packets on > 127.0.0.1. Using wlan0, the test passes and Wireshark shows UDP packets on > 192.168.1.7=wlan0. However, using vboxnet0, the test fails but Wireshark > shows UDP packets on 192.168.1.7=wlan0, not 192.168.56.1=vboxnet0 ! It > looks like camel-netty is using wlan0 even when I specify vboxnet0. > > On the F19 virt, I tried: > > "netty:udp://localhost:{{port}}?sync=false" > > "netty:udp:// > 224.1.1.1:1201?sync=false&networkInterface=p2p1&broadcast=true" > > "netty:udp:// > 224.1.1.1:1201?sync=false&networkInterface=p7p1&broadcast=true" > > On localhost and p2p1, the test passes. Wireshark sees nothing, which I > suppose is expected since the Ubuntu host is not connected to these > interfaces. On p7p1 (which is the goal of this exercise) the test fails > and, again, nothing shows on Wireshark. Given what is happening on the > Ubuntu host, I suspect that when I specify p7p1 on the F19 virt, > camel-netty > is mistakenly sending on p2p1 and then trying to receive on p7p1. > > I'm going to try debugging down through camel-netty, but if you have any > suggestions in the meantime, please advise. > > -- Darren > > > > > -- > View this message in context: > http://camel.465427.n5.nabble.com/using-Camel-Netty-to-multicast-UDP-beyond-localhost-tp5741490p5741601.html > Sent from the Camel - Users mailing list archive at Nabble.com. > -- Charles Moulliard Apache Committer / Architect @RedHat Twitter : @cmoulliard | Blog : http://cmoulliard.github.io