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 <scheu...@linux.vnet.ibm.com <mailto:scheu...@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?
    >
    >
    >
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    --
    Andreas
    (IRC: scheuran)





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