<html><head><style type='text/css'>p { margin: 0; }</style><style type='text/css'>body { font-family: 'Times New Roman'; font-size: 12pt; color: #000000}</style></head><body><br>----- "Ben Lancaster" <mail@benlancaster.co.uk> wrote:
<br>> Hi all,<br>> I'm having trouble with Multicast and the mythtvosd command. When I <br>> attempt to send a (valid) mythtvosd alert, I'm told "sendto: operation <br>> not permitted". Similarly, ping -t 1 -c 2 224.0.0.1 gives the same output.<br>> I'm presuming that the issue lies somewhere on my network, which is <br>> organised as follows: ADSL Router (DHCP Server), directly plugged in to <br>> an ethernet Hub and a Wireless access point (acting as a bridge). My <br>> master backend/living room front-end is plugged in to the wired hub, and <br>> my slave backend/network-storage and an additional front-end are plugged <br>> in to the access point (by ethernet). On the slave backend (which <br>> doubles up as a mailserver, db server, web server) is protected by APF <br>> and BFD, could these be causing the problem?<br>> Forgive my ignorance, I know very little about networking and iptables!<br>> Thanks in advance,<br>> Ben<br>> _______________________________________________<br>> mythtv-users mailing list<br>> mythtv-users@mythtv.org<br>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users<br><br>I found that APF is an iptables based firewall project and if multicast isn't allowed out it won't work assuming that you are sending from your backend server.<br><br>Where are you sending the command from? <br>Where are you sending the ping command from? <br>What do you expect to receive the command (if the answer is "my frontends" please specify how many)?<br><br>What is BFD? (Quick google search didn't come up with anything appropriate)<br><br>Are you sure that mythtvosd is multicast aware? The only place that I have found so far that says anything about multicast and mythtvosd is on the voip-info wiki page (http://voip-info.org/wiki/view/Asterisk+tips+MythTV+integration). I haven't found anything that mentions that mythtvosd is multicast aware. (I took a look through the mythtvosd README and a VERY quick search through the source code of mythtvosd).<br><br>Have you tried send the mythtvosd command to the master backend? <br><br>The other way is to hard code a command for each frontend.<br><br>Todd<br></mail@benlancaster.co.uk></body></html>