After testing with a ovn-kubernetes poc using transit routers with a primary UDN layer2 topology and migrating a VM with ingress iperf3 traffic I get almost 100% of some cpu cores bussy with softirq, even after closing the iperf3 client, so feels like a loop is there.
17 root 20 0 0 0 0 R 99.0 0.0 32:04.56 ksoftirqd/0 45 root 20 0 0 0 0 R 90.4 0.0 47:50.90 ksoftirqd/4 the poc -> https://github.com/qinqon/ovn-kubernetes/tree/dnm-transit-router-poc (last two commits) The db files are attached to the email: On Tue, Jan 21, 2025 at 8:39 AM Ales Musil <amu...@redhat.com> wrote: > > In order to have transit router we have to allow peer port connection > between LR patch port l3gateway types. This allows direct connection > of two LRs, one of the being transit router and the second one being > GW router. This is taken care of commit 3/6. To be fair this can > change can be useful in general even without transit router. > > The 2/4 and 4/4 is the actual work needed for transit router. First > is the way to define remote ports for logical router which on it's > own is the main component that results in the transit router. The > LRP can be set remote by setting options:requested-chassis to chassis > that has is-remote=true. Only one chassis is supported at time. The > 6/6 is needed in cases when one AZ ARPs port in other AZ, without > this the ARP wouldn't be delivered to the original AZ, which would > result in dropped traffic. > > Ales Musil (4): > physical: Allow l3gateway and patch port to be peers. > northd: Introduce the concept of transit routers. > actions, physical: Make the MC split action generic. > northd, controller: Flood ARP and NA packet on transit router. > > NEWS | 3 + > controller/lflow.c | 1 + > controller/lflow.h | 4 + > controller/physical.c | 273 ++++++++++++++++++++++++++++++++------ > controller/pinctrl.c | 21 +-- > include/ovn/actions.h | 7 +- > lib/actions.c | 19 ++- > lib/ovn-util.c | 2 +- > northd/northd.c | 52 ++++++-- > northd/northd.h | 4 + > ovn-nb.xml | 43 ++++++ > tests/multinode-macros.at | 48 +++++++ > tests/multinode.at | 196 +++++++++++++++++++++++++++ > tests/ovn-controller.at | 153 +++++++++++++++++++++ > tests/ovn-macros.at | 1 + > tests/ovn-northd.at | 51 +++++++ > tests/ovn.at | 10 +- > tests/test-ovn.c | 1 + > utilities/ovn-trace.c | 3 + > 19 files changed, 826 insertions(+), 66 deletions(-) > > -- > 2.47.1 > > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > -- Quique Llorente CNV networking Senior Software Engineer Red Hat EMEA ellor...@redhat.com @RedHat Red Hat Red Hat _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
