Hello, further information.The controllers where router namespace is absent have issues on openvswitch agent, this is probably the cause of br-int error.The error in openvswitch agent log is reported here:ThanksIl giorno ven 3 set 2021 alle ore 12:09 Ignazio Cassano <ignaziocassano@gmail.com> ha scritto:Hello, further information:the l3 agent log on the controllers where router namespace is not present, report:Il giorno ven 3 set 2021 alle ore 12:05 Ignazio Cassano <ignaziocassano@gmail.com> ha scritto:Hello Everyone,I am facing an issue with router-ha in kolla wallaby. In my neutron.conf I inserted l3_ha = Truemax_l3_agents_per_router = 3l3_ha_net_cidr = 169.254.192.0/18but router ha does not work.The router namespace is present only on one of the three contrllers and if the controller goes down routing stop to work.I am using ovs and not ovn.Any help,please ?Ignazio