i think there should be interface with 10.0.8.1 . it should be on host with nova-network . and for me the easy way is to check on this interface icmp packets from you vm by tcpdump.
On Wed, Jun 6, 2012 at 5:50 PM, Leander Bessa Beernaert <leande...@gmail.com > wrote: > On the host node, the value of "/proc/sys/net/ipv4/ip_forward" is 1. > > > On Wed, Jun 6, 2012 at 2:39 PM, Anton Haldin <ahal...@griddynamics.com>wrote: > >> you can check net.ipv4.ip_forward on machine with ip interface 10.0.8.1 >> >> i think on this machine you should have nova-network ( it manages >> iptables rules, brctl( bridges)) >> >> also you can use tcpdump on interface of VM to search icmp packets. >> >> >> On Wed, Jun 6, 2012 at 5:34 PM, Leander Bessa Beernaert < >> leande...@gmail.com> wrote: >> >>> >>> >>> On Wed, Jun 6, 2012 at 2:33 PM, Anton Haldin >>> <ahal...@griddynamics.com>wrote: >>> >>>> Do you have default router in VM ? >>>> netstat -rn >>>> >>> >>> Destination Gateway Genmask Flags MSS Window irtt >>> Iface >>> 0.0.0.0 10.0.8.1 0.0.0.0 UG 0 0 0 >>> eth0 >>> 10.0.8.0 0.0.0.0 255.255.255.192 U 0 0 0 >>> eth0 >>> >>> >>>> >>>> >>>> Do you have multinode configuration ? >>>> >>> if all services on one node, do you have ip_forward enabled? >>>> sysctl net.ipv4.ip_forward >>>> >>>> >>>> >>> I have one controller node and 4 compute nodes. >>> >>> >>>> >>>> >>>> On Wed, Jun 6, 2012 at 5:16 PM, Leander Bessa Beernaert < >>>> leande...@gmail.com> wrote: >>>> >>>>> This is what i find inside my vms: >>>>> >>>>> domain novalocal >>>>>> search novalocal >>>>>> nameserver 10.0.8.1 >>>>> >>>>> >>>>> I believe the name resolution is working (see output bellow from the >>>>> ping command), but the vm's seem unable to access the ip. >>>>> >>>>>> ping www.google.com >>>>>> PING www.l.google.com (74.125.230.16) 56(84) bytes of data. >>>>> >>>>> >>>>> On Wed, Jun 6, 2012 at 2:12 PM, Anton Haldin <ahal...@griddynamics.com >>>>> > wrote: >>>>> >>>>>> dns ? resolv.conf in VM >>>>>> >>>>>> On Wed, Jun 6, 2012 at 4:51 PM, Leander Bessa Beernaert < >>>>>> leande...@gmail.com> wrote: >>>>>> >>>>>>> Hello, >>>>>>> >>>>>>> I'm having trouble accessing the outside world from within my >>>>>>> instances. For instance, i can ping other instances on my network but i >>>>>>> am >>>>>>> unable to ping www.google.com. >>>>>>> >>>>>>> Any ideas? >>>>>>> >>>>>>> >>>>>>> Regards, >>>>>>> >>>>>>> Leander >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Mailing list: https://launchpad.net/~openstack >>>>>>> Post to : openstack@lists.launchpad.net >>>>>>> Unsubscribe : https://launchpad.net/~openstack >>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
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