Re: [AG-TECH] unicast + multicast

2010-10-21 Thread artrim...@us.es
Hi. We do not already have our own bridge. We are using one of the Suggested Regional Unicast Bridges (UVIGO). We did not set it up, so I could not really answer those questions. Thanks for your reply - Ángel Rincón Trimiño. Servicio de Informática y Com

Re: [AG-TECH] unicast + multicast

2010-10-21 Thread Andrew Rowley
Hi, My immediate thought would be that the machine hosting the unicast bridge is at fault. This could suggest a (admittedly poorly designed) firewall operating on the machine so that the multicast traffic is being blocked (although the block appears to happen at some point into the meeting).

[AG-TECH] unicast + multicast

2010-10-21 Thread artrim...@us.es
Hi everyone. At the University of Seville, we're having AccessGrid meetings with some other Spanish Universities. Some of them have multicast capabilities, some others don't. The session seems to work fine until, at some particular moment, those participants using a unicast bridge are not able

[AG-TECH] Multicast Problem on a Hardy Heron Client

2010-10-21 Thread west suhanic
Hello All: I have successfully installed and used AG v3.2 on a small PC running Ubuntu, v8.04-(Hardy Heron). The problem is that although my network is multicast enabled, in order to use multicast on this particular machine I have to do ifconfig eth0 promisc Would anybody have a suggestion how to