Neutron implements Security Groups by applying iptable rules on Linux bridge. So, we need these parameters to be set. Please see [1] for details. [1] - https://bugs.launchpad.net/openstack-manuals/+bug/1359691 On 08/13/2015 01:50 PM, FASEELA.ASHRAF wrote: > I installed the package bridge-utils and the error remains the same. > In other versions of Openstack like Juno and kilo these lines: > > net.bridge.bridge-nf-call-arptables=1 > net.bridge.bridge-nf-call-iptables=1 > net.bridge.bridge-nf-call-ip6tables=1 > > are not used in the sysctl file. So are they mandatory ? > > > > On Thu, Aug 13, 2015 at 1:21 PM, Andreas Scheuring > <scheuran at linux.vnet.ibm.com <mailto:scheuran at linux.vnet.ibm.com>> wrote: > > Can you try the package bridge-utils? > > On Do, 2015-08-13 at 11:15 +0530, FASEELA.ASHRAF wrote: > > Hi , > > > > I am trying to install a 3 node architecture of Openstack icehouse > > version on my Ubuntu 14.04LTS . I would like to know if it is > > necessary to add the following lines to sysctl.conf in network node. > > net.bridge.bridge-nf-call-arptables=1 > > net.bridge.bridge-nf-call-iptables=1 > > net.bridge.bridge-nf-call-ip6tables=1 > > > > When running the command sysctl -p following errors are shown : > > sysctl: cannot stat > /proc/sys/net/bridge/bridge-nf-call-arptables: No such file or > directory > > sysctl: cannot stat > /proc/sys/net/bridge/bridge-nf-call-iptables: No such file or > directory > > sysctl: cannot stat > /proc/sys/net/bridge/bridge-nf-call-ip6tables: No such file or > directory > > > > Am I missing some package in my system? > > > > > > > > _______________________________________________ > > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > Post to : openstack at lists.openstack.org > <mailto:openstack at lists.openstack.org> > > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > -- > Andreas > (IRC: scheuran) > > > > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150813/b2f0b33e/attachment.html>