Hi Sanjeev, Try disabling your firewall. This is one of the very common issue that I have seen. Just fire "iptables -F" and then try running aisexec.
-Shridhar On Tue, 2008-03-25 at 20:04 -0400, Sajeev Vallat wrote: > Steve, > > Kernel version is 2.6.11.4-430.10-bigsmp > > Here is the igmp kernel configs. > ================================ > net.ipv4.conf.pci0.force_igmp_version = 0 > net.ipv4.conf.eth5.force_igmp_version = 0 > net.ipv4.conf.eth4.force_igmp_version = 0 > net.ipv4.conf.eth3.force_igmp_version = 0 > net.ipv4.conf.eth2.force_igmp_version = 0 > net.ipv4.conf.eth1.force_igmp_version = 0 > net.ipv4.conf.eth0.force_igmp_version = 0 > net.ipv4.conf.lo.force_igmp_version = 0 > net.ipv4.conf.default.force_igmp_version = 0 > net.ipv4.conf.all.force_igmp_version = 0 > net.ipv4.igmp_max_msf = 10 > net.ipv4.igmp_max_memberships = 1 > > Its custom compiled, source is from SuSe Linux with some patches on top > of it. > > -Sajeev > > -----Original Message----- > From: Steven Dake [mailto:[EMAIL PROTECTED] > Sent: Tuesday, March 25, 2008 7:01 PM > To: Sajeev Vallat > Cc: [EMAIL PROTECTED] > Subject: RE: [Openais] openais multicast address (node discovery issue) > > 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 _______________________________________________ Openais mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/openais
