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 Comunicaciones. Universidad de Sevilla. Edificio Rojo. Despacho 1.26. Avenida Reina Mercedes s/n. Tfn: 954559991. E-mail: artrim...@us.es. El 21/10/10 13:34, Andrew Rowley escribió: > 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). Can > you tell me: > 1) What OS is the unicast bridge running on? > 2) Is the unicast bridge a standard AGTk bridge server? > 3) Is there a firewall on the unicast bridge machine? > > Andrew :) > > > --------------------------------------------------------- > > Andrew G D Rowley > Senior Development Officer > > Research Computing Services > The University of Manchester > Devonshire House, Oxford Road > Manchester, M13 9PL > > t : +44 (0) 161 275 0685 > e : andrew.row...@manchester.ac.uk > w : www.manchester.ac.uk/researchcomputing > > --------------------------------------------------------- > > > >> -----Original Message----- >> From: ag-tech-boun...@lists.mcs.anl.gov [mailto:ag-tech- >> boun...@lists.mcs.anl.gov] On Behalf Of artrim...@us.es >> Sent: 21 October 2010 11:52 >> To: AG-TECH >> Subject: [AG-TECH] unicast + multicast >> >> 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 to see nor hear those using multicast. Two perfectly isolated >> groups (connected to the same venue) are created. >> >> Any suggestions? >> >> -- >> ----------------------------------------- >> Ángel Rincón Trimiño. >> Servicio de Informática y Comunicaciones. >> Universidad de Sevilla. >> Edificio Rojo. >> Despacho 1.26. >> Avenida Reina Mercedes s/n. >> Tfn: 954559991. >> E-mail: artrim...@us.es. >> > >