Is it being dropped by iptables? Check the following: * Your VM using the correct IPv6 address assigned to it by Neutron * The security group associated with the port allows outbound IPv6 traffic * ensure bridge-nf-call-ip6tables is set to 1 in the kernel of the compute node
On Thu, May 25, 2017 at 9:28 PM, zhouzhih...@cmss.chinamobile.com < zhouzhih...@cmss.chinamobile.com> wrote: > Hi All, > > > I met a problem of dns packet lost in openstack environment. I need help. > > The problem desc: > > In the vm, I use "curl http://www.baidu.com"; <http://www.baidu.com> to do > test. And the cmd takes almost 5 seconds return. > So I use tcpdump to capture the packets. And found a dns packet lost which > is AAAA packet for ipv6. > > The packet-lost-on-qbr.zip are the captured packets which is from qbr to > qvb. It clearly shows the lost packet. > > In my another openstack environment, the problem can not occur. The > qbr-no-packet-lost.zip > is the captured packets. > > Thanks > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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