Hello,
I try to deploy an openstack grizzly plate-forme from redhat rdo, in a multi-node setup. Well recently support of net namespace was added to rhel 6.4 through the rdo repo. (One quick note : be carefull about vswitch from rdo, it doesnt support gre tunnel). So can somebody explain me how works l3-agent and dhcp-agent please ? I have understand : - For a routeur or a dhcp network : quantum create a namespace - In this namespace dnsmasq is launched on the interface - a peer is created trourgh a "tap" and "ns" interface - the tap interface is pushed into the ovs bridge My probleme is when a VM start the network can't get any dhcp server .... :( I have tested : - Openvswitch hypervisor : OK ! With manually configure the IP inside the VMs, they can see each other. - Tunnel GRE : OK ! On the network node, i see, with tcpdump on the gre interface, the dhcp request from the VM. - NameSpace : They exist and an interface "ns-<idid>" is present with an IP - dnsmasq : Inside the namespace the dnsmasq daemon listen on the interface, so it s seems ok ! - Openvswitch "tap" : well the tap is in the bridge ... - Link between tap interface and namespace interface : i see the command line inside the log ... =>> Well but with tcpdump i didn't see any request on the namespace interface ... and of course any dhcp respond .. Thank you in advance !! Regards, -- -- Benoit
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