hi, if you turn off the "ARP Spoofing" flag and restart the q-agt service. Does vm can get IP successfully?
2015-09-06 17:03 GMT+08:00 Huan Xie <huan....@citrix.com>: > > > Hi all, > > > > I’m trying to deploy OpenStack environment using DevStack with latest > master code. > > I use Xenserver + neutron, with ML2 plugins and VLAN type. > > > > The problem I met is that the instances cannot really get IP address (I > use DHCP), although we can see the VM with IP from horizon. > > I have tcpdump from VM side and DHCP server side, I can get DHCP request > packet from VM side but cannot see any request packet from DHCP server side. > > But after I reboot the q-agt, the VM can get IP successfully. > > Checking the difference before and after q-agt restart, all my seen are > the flow rules about ARP spoofing. > > > > This is the q-agt’s br-int port, it is dom0’s flow rules and the bold part > are new added > > > > NXST_FLOW reply (xid=0x4): > > cookie=0x824d13a352a4e216, duration=163244.088s, table=0, > n_packets=93, n_bytes=18140, idle_age=4998, hard_age=65534, priority=0 > actions=NORMAL > > *cookie=0x824d13a352a4e216, duration=163215.062s, table=0, n_packets=7, > n_bytes=294, idle_age=33540, hard_age=65534, priority=10,arp,in_port=5 > actions=resubmit(,24)* > > cookie=0x824d13a352a4e216, duration=163230.050s, table=0, > n_packets=25179, n_bytes=2839586, idle_age=5, hard_age=65534, > priority=3,in_port=2,dl_vlan=1023 actions=mod_vlan_vid:1,NORMAL > > cookie=0x824d13a352a4e216, duration=163236.775s, table=0, > n_packets=0, n_bytes=0, idle_age=65534, hard_age=65534, > priority=2,in_port=2 actions=drop > > cookie=0x824d13a352a4e216, duration=163243.516s, table=23, > n_packets=0, n_bytes=0, idle_age=65534, hard_age=65534, priority=0 > actions=drop > > cookie=0x824d13a352a4e216, duration=163242.953s, table=24, > n_packets=0, n_bytes=0, idle_age=65534, hard_age=65534, priority=0 > actions=drop > > *cookie=0x824d13a352a4e216, duration=163215.636s, table=24, n_packets=7, > n_bytes=294, idle_age=33540, hard_age=65534, > priority=2,arp,in_port=5,arp_spa=10.0.0.6 actions=NORMAL* > > > > I cannot see other changes after reboot q-agt, but it seems these rules > are only for ARP spoofing, however, the instance can get IP from DHCP. > > I also google for this problem, but failed to deal this problem. > > Is anyone met this problem before or has any suggestion about how to > debugging for this? > > > > Thanks a lot > > > > BR//Huan > > __________________________________________________________________________ > 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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