Hi there, I have a test case which is to communicate 3 machines with an application that replicates data. The first machine CC is the server and the others CR1 and CR2 are the clients. The server has to pass through router CG and RedeB to announce the list of files it has to replicate, and the clients tell the server what is to be replicated using another network RedeC, through the same router, making the server start the replication via MULTICAST via REDE B. So, the REQUEST uses REDE C from the clients to the server and the server starts to transmit the MULTICAST data via REDE B. I´m sending a diagram showing the circuit. IP1 = 192.168.1.44 IP6 = 192.168.1.62 IP7 = 192.168.4.1 IP8 = 192.168.5.1 IP2 = 192.168.4.2 IP3 = 192.168.5.2 IP4 = 192.168.4.3 IP5 = 192.168.5.3 The route table of the router is: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.5.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 192.168.4.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth0 0.0.0.0 192.168.1.250 0.0.0.0 UG 0 0 0 eth0 My problem is that the MULTICAST is always coming from the same card (network) that the REQUEST is made. Even if I see the MULTICAST ariving to all interfaces of the clients. Does anybody know how do I set IPTABLES to force the REQUEST and the MULTICAST come from distint interfaces ? I´m using a box with Fedora core 4 as the router. Thank´s in advance --- Marcos Gileno M. Santos SysAdmin - DIGILAB S.A. (48) 3234-4041 r.215 "CONFIDENCIAL: As informações contidas nesta mensagem são de propriedade da DIGILAB. Caso não seja o destinatário favor contatar imediatamente o remetente e eliminar esta mensagem sem a reproduzir, armazenar ou divulgar a qualquer entidade". "CONFIDENTIALITY: The information contained in this message is the sole property of Digilab. In case you are not the intended addressee of this message, please notify the sender immediately and delete this message without reproducing, storing or publishing it".
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