Yes Flavio. Looking at code to fix this. Will send fix for review soon. Vasu
> On Jun 13, 2019, at 7:15 PM, Flavio Leitner <f...@sysclose.org> wrote: > >> On Wed, Jun 12, 2019 at 07:18:27PM -0400, Vasu Dasari wrote: >> Thanks Ben. Meanwhile I think I found an bug in OVS 2.9.0 with stale ARP >> entries after a bridge is deleted. >> >> I ran my tunneling experiment successfully. Used mininet to simulate the >> environment. After quitting the mininet, switch s1 is deleted. But, I still >> see the ARP entries in OVS. > > Looks like when route_table_valid is false we also need to > call tnl_neigh_cache_flush() otherwise you will need to wait > the ARP entry in the cache to expire (15min?) which is quite > a long time. > > Do you think you can work on a patch? > >> root@mn1:~# ovs-vsctl show >> f6af5f1c-a11c-435f-9b03-7317f364ae48 >> Manager "ptcp:6640" >> ovs_version: "2.9.0" >> >> Even thought there is no s1, I still see entries here. >> root@mn1:~# ovs-appctl tnl/arp/show >> IP MAC Bridge >> ========================================================================== >> 172.168.1.1 02:42:ac:14:00:02 s1 >> 172.168.1.2 02:42:ac:14:00:03 s1 >> 10.0.0.10 82:ec:29:c0:bc:ef s1 >> 10.0.0.1 d2:54:11:f0:95:df s1 >> >> >> Just for completeness, this is what I had to do to fix my configuration. >> >> Figured out what was wrong with my configuration. >> >> Modify my bridge s1 to be: >> >> ovs-vsctl --may-exist add-br s1 \ >> -- set Bridge s1 datapath_type=netdev \ >> -- set bridge s1 fail-mode=standalone \ >> other_config:hwaddr=$(cat /sys/class/net/eth1/address) >> >> Add the flows: >> ovs-ofctl add-flow s1 "priority=1,in_port=s1-eth1 actions=vxlan" >> ovs-ofctl add-flow s1 "priority=1,in_port=vxlan actions=s1-eth1" >> ovs-ofctl add-flow s1 "priority=0 actions=NORMAL" >> >> ip addr add 1.1.1.1/24 dev s1 >> ip link set s1 up >> ip addr flush dev eth1 2>/dev/null >> ip link set eth1 up >> >> ovs-appctl tnl/arp/set s1 1.1.1.2 00:00:01:00:00:02 > > Yeah, that will replace the old entry with the new one. > > fbl > > >> >> *Vasu Dasari* >> >> >>> On Tue, Jun 11, 2019 at 6:22 PM Ben Pfaff <b...@ovn.org> wrote: >>> >>>> On Tue, Jun 11, 2019 at 03:17:24PM -0400, Vasu Dasari wrote: >>>> I am running into an issue which sounds pretty basic, probably I might be >>>> missing something. >>> >>> I think you're trying to use kernel tools to configure userspace >>> tunnels. Did you read Documentation/howto/userspace-tunneling.rst? >>> > >> _______________________________________________ >> discuss mailing list >> disc...@openvswitch.org >> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
