Crossover cable should work just fine. Which kernel are you using? Is it custom compiled?
Make sure your kernel has IGMP multicast set in its kernel configuration. On Tue, 2008-03-25 at 19:02 -0400, Sajeev Vallat wrote: > Hi Steve, > > We have a cross over cable connecting both the machine (so no switches > between the boxes). We dont have any firewall / iptable rules which prevents > packets on interface. What we see is that ARP packets with mulitcast > ip-address (226.94.1.1) on the wire, on both the machines. > > Sure if we figure out the issue I would let you know. > > Regards, > -Sajeev > > > -----Original Message----- > From: Steven Dake [mailto:[EMAIL PROTECTED] > Sent: Tue 3/25/2008 5:27 PM > To: Sajeev Vallat > Cc: [EMAIL PROTECTED] > Subject: Re: [Openais] openais multicast address (node discovery issue) > > Sajeev, > > My guess is your switch is not configured for multicasting. This is the > commonly shipped configuration for high end Cisco switches and some > other brands. I suggest working with your switch vendor to determine > the proper settings, but here is some information you might find useful: > > Which brand and model of switch do you have? > http://www.openais.org/doku.php?id=faq:cisco_switches > > Another common problem is that your operating system has a firewall > installed. You could turn this off or enable the proper rules for the > port and udp multicast. > > If you determine the exact issue please let us know what it was and the > resolution so we can update our faqs. > > Regards > -steve > > On Tue, 2008-03-25 at 14:47 -0400, Sajeev Vallat wrote: > > We are observing a problem where the AISEXEC nodes sending data on the > > multicast address is not seen on the wire. Sniffing on the network > > reveals that ARP requests are send for the multicast address, to which > > none of the machines with AISEXEC nodes respond. Is this desired ? > > > > > > > > We also did "strace" on aisexec process, observed that process is > > sending data to multicast address. > > > > > > > > Has anyone seen this behavior before ? > > > > > > > > Thanks > > > > -Sajeev > > > > > > _______________________________________________ > > Openais mailing list > > [email protected] > > https://lists.linux-foundation.org/mailman/listinfo/openais > > _______________________________________________ Openais mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/openais
