I belive this is related to underline switches that you have. On Aug 4, 2016 3:14 PM, "Burman, Bill (Nokia - GB)" <[email protected]> wrote:
> Hi, > > I’ve set up a lab network to test Openstack with a load balanced solution > that uses keepalived on linux, to provide load balanced & redundant > services. I installed the ML2 plugin, and removed the security for the > ports associated with the public and private ports of the load balanced > servers with these commands: > > neutron port-update --no-security-groups <port UUID> > neutron port-update <port UUID> --port-security-enabled=False > > This has allowed VRRP to function correctly, requests are correctly load > balanced, and I can failover between the servers at will. > > The issue I’m having, is when I try to simulate a hard crash of the server > that is the master in the keepalived pool. If I shut it down in a way that > simulates a power failure (I’m using ifdown to kill the interfaces, and > shutdown in a one-liner), the server that was the backup becomes the > master, takes over the load balanced IP, and starts responding to arp > requests for that IP. I can see the arp responses with tcpdump on the new > master, but these are obviously being filtered, as they don’t make it to > the other servers. > > So where am I going wrong? Why if I do a graceful reboot of the master, > would the load balanced IP correctly shift to the other server, but if I > simulate a crash, the arp responses are blocked? > > Any help would be greatly appreciated. > > Thanks, > > Bill > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : [email protected] > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > >
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