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ChiTo | Hi everyone, happy new year, I want to ask if someone has experienced this issue: I have deployed an OpenStack with 6 compute nodes with OVS and DVR on the 6 nodes, so deploying neutron components as part of the compute nodes as well, I have enabled l3_ha as well as dvr and dvr_snat for the agent for those VMs that do not need floating IPs. My issue is that when I spin up x qty of instances and I allocate floating IPs on them everything works | 00:46 |
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ChiTo | without any setbacks, but if on the same network I spin up another "10-20-x" qty of instances then I noticed that the connectivity with the floating IPs enter in an outage state and I noticed that after exactly 300 sec they come back, I did some tcpdumps on the fip net namespaces as well as the qrouter and it looks like the MAC addresses are not immediately updated to the virtual routers, not sure if it has to do with OVS or linux kernel in terms | 00:46 |
ChiTo | of the MAC learning functionality, by chance can you guide me on how to troubleshoot this issue and fix it? I would not expect that the communication with the external provider network is lost and restored after 300 sec, not sure if it has to do with some aging on the mac values from OVS. thanks! | 00:46 |
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masterpe | I'm trying to configure vxlan on a ubuntu system, together with multicast, can use two interfaces what is used for the multicast and source address or does this always needs to be a loopback address? | 18:48 |
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colby_ | Hey Everyone. Im seeing a weird networking issue Im hoping someone can help me with. We have 2 external subnets for floating ips. They are on the same vlan so the same interface on the network node. The router has an ip on subnet 1, and arp seems to work fine accross that subnet. But subnet 2 arp fails between nodes outside the router and inside. | 19:18 |
colby_ | So anything on subnet 2 outside the router cant communicate with anything on subnet2 inside the router. Anything not on that subnet outside can communicate fine. | 19:19 |
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jmordkof | Happy Friday. New to the channel but not to openstack. Is this a good place to ask about OOO ? | 20:06 |
jmordkof | specifically, can use one undercloud to deploy multiple overclouds and can I use an undercloud to deploy kubernetes? | 20:09 |
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