On 8/4/25 11:08 AM, Felix Huettner wrote:
> On Fri, Aug 01, 2025 at 05:21:58PM +0200, Dumitru Ceara wrote:
>> In 712fca55b3b1 ("controller: Prioritize host routes.") and later in
>> cd4ad2f56179 ("northd: Redistribution of NAT/LB routes.") support was
>> added for advertising routes for objects (logical port / NAT / LB IPs)
>> that are bound to a single chassis (e.g., distributed NAT) with a better
>> metric on the chassis where they're bound. On all other chassis,
>> however, the route was still advertised but only with a worse metric.
>>
>> While this works fine in deployments as described in 712fca55b3b1
>> ("controller: Prioritize host routes."), this behavior actually makes
>> the dynamic routing feature unusable in cases when all inter-node
>> traffic is forwarded through the L3 fabric, e.g. spine-leaf topologies
>> with iBGP between leaves and spines and eBGP between OVN compute nodes
>> and fabric leafs: that's due to the fact that eBGP routes are usually
>> preferred over iBGP routes.
>>
>> Consider the following example:
>> +------+ +------+
>> |Spine1| |Spine2|
>> +------+ +------+
>> | \ / |
>> | \ / |
>> | \ / |
>> | X |
>> | / \ |
>> | / \ |
>> | / \ |
>> +-----+ +----+
>> |Leaf1| |Leaf2|
>> +-----+ +----+
>> | |
>> | |
>> +----------+ +----------+
>> | Chassis1 | | Chassis2 |
>> +----------+ +----------+
>>
>> An OVN distributed NAT, e.g., 42.42.42.42 "bound" to Chassis1 would be
>> advertised with a metric of 100 on the eBGP Chassis1 <-> Leaf1
>> connection and with a metric of 1000 (worse) on the eBGP Chasssi2 <->
>> Leaf2 connection. Leaf2 will also learn an iBGP route (through Spine1
>> and Spine2) for the same prefix (towards Chassis1) but because eBGP
>> administrative distance is better than the iBGP one, Leaf2 will always
>> prefer the metric 1000 route. That means Leaf2 will always forward
>> traffic destined to 42.42.42.42 via Chassis2 which is sub-optimal.
>>
>> The main reason for advertising the (NAT) IP on both chassis was likely
>> to provide redundancy in case traffic hits the OVN cluster on a node
>> that doesn't host the NAT. But with topologies as the one depicted
>> above the redundancy is handled by the fabric.
>>
>> OVN didn't have a way to disable worse metric route advertisements. This
>> commit adds one, through a new logical router / logical router port
>> option, "dynamic-routing-redistribute-local-only" which, if enabled,
>> informs ovn-controller to not advertise routes for chassis bound IPs
>> (Sb.Advertised_Route.tracked_port set) on chassis where the tracked port
>> is not bound. By default this option is disabled. The option is
>> propagated by ovn-northd to the SB.Port_Binding corresponding to the
>> logical router port (or all router ports if configured on the router).
>>
>> Fixes: 712fca55b3b1 ("controller: Prioritize host routes.")
>> Fixes: cd4ad2f56179 ("northd: Redistribution of NAT/LB routes.")
>> Reported-at: https://issues.redhat.com/browse/FDP-1464
>> Signed-off-by: Dumitru Ceara <dce...@redhat.com>
>> ---
>> NOTE: while this change adds a new configuration option, I see this as
>> a bug fix because there's no (not overly complex) way of using the OVN
>> dynamic routing feature in 25.03 with topologies as above (which are
>> likely common).
>>
>> This change is backport-safe because the new option is opt-in (disabled
>> by default) so the default behavior stays untouched. Also, there's no
>> restriction on update order as older ovn-northd or ovn-controllers just
>> ignore the new option and there's no database schema change.
>>
>> Changes in v2:
>> - Addressed issue with Advertised_Routes that have logical_port set to a
>> non chassis-redirect port (for distributed routers with DGP).
>> - Added system test for the case above.
>> ---
>> NEWS | 5 +
>> controller/route.c | 10 +-
>> northd/northd.c | 44 ++++---
>> ovn-nb.xml | 39 ++++++
>> ovn-sb.xml | 18 +++
>> tests/system-ovn.at | 281 ++++++++++++++++++++++++++++++++++++++++++++
>> 6 files changed, 381 insertions(+), 16 deletions(-)
>>
>> diff --git a/NEWS b/NEWS
>> index 0cce1790db..54d676be87 100644
>> --- a/NEWS
>> +++ b/NEWS
>> @@ -41,6 +41,11 @@ Post v25.03.0
>> - Added support for running tests from the 'check-kernel' system test
>> target
>> under retis by setting OVS_TEST_WITH_RETIS=yes. See the 'Testing'
>> section
>> of the documentation for more details.
>> + - Dynamic Routing:
>> + * Add the option "dynamic-routing-redistribute-local-only" to Logical
>> + Routers and Logical Router Ports which refines the way in which
>> + chassis-specific Advertised_Routes (e.g., for NAT and LB IPs) are
>> + advertised.
>>
>> OVN v25.03.0 - 07 Mar 2025
>> --------------------------
>> diff --git a/controller/route.c b/controller/route.c
>> index 7615f3f593..603e5749bc 100644
>> --- a/controller/route.c
>> +++ b/controller/route.c
>> @@ -253,15 +253,23 @@ route_run(struct route_ctx_in *r_ctx_in,
>>
>> unsigned int priority = PRIORITY_DEFAULT;
>> if (route->tracked_port) {
>> + bool redistribute_local_bound_only =
>> + smap_get_bool(&route->logical_port->options,
>> + "dynamic-routing-redistribute-local-only",
>> + false);
>> if (lport_is_local(r_ctx_in->sbrec_port_binding_by_name,
>> r_ctx_in->chassis,
>> route->tracked_port->logical_port)) {
>> priority = PRIORITY_LOCAL_BOUND;
>> sset_add(r_ctx_out->tracked_ports_local,
>> route->tracked_port->logical_port);
>> - } else {
>> + } else if (!redistribute_local_bound_only) {
>> sset_add(r_ctx_out->tracked_ports_remote,
>> route->tracked_port->logical_port);
>> + } else {
>> + /* Here redistribute_local_bound_only is 'true' and
>> + * 'tracked_port' is not local so skip this route. */
>> + continue;
>
> Hi Dumitru,
>
Hi Felix,
> don't we need to add them to tracked_ports_remote here as well? I think
> the incremental handler will otherwise not realize that binding this
> port locally needs a rerun of en_route.
>
Oh, you're completely right, I'll fix that in v3.
Regards,
Dumitru
> Thanks a lot,
> Felix
>
>> }
>> }
>>
>> diff --git a/northd/northd.c b/northd/northd.c
>> index d027d5c66d..2cb69f9aa8 100644
>> --- a/northd/northd.c
>> +++ b/northd/northd.c
>> @@ -3893,21 +3893,35 @@ sync_pb_for_lrp(struct ovn_port *op,
>> }
>> }
>>
>> - if ((is_cr_port(op) || chassis_name) && op->od->dynamic_routing) {
>> - smap_add(&new, "dynamic-routing", "true");
>> - if (smap_get_bool(&op->nbrp->options,
>> - "dynamic-routing-maintain-vrf", false)) {
>> - smap_add(&new, "dynamic-routing-maintain-vrf", "true");
>> - }
>> - const char *vrfname = smap_get(&op->od->nbr->options,
>> - "dynamic-routing-vrf-name");
>> - if (vrfname) {
>> - smap_add(&new, "dynamic-routing-vrf-name", vrfname);
>> - }
>> - const char *portname = smap_get(&op->nbrp->options,
>> - "dynamic-routing-port-name");
>> - if (portname) {
>> - smap_add(&new, "dynamic-routing-port-name", portname);
>> + if (op->od->dynamic_routing) {
>> + if (is_cr_port(op) || chassis_name) {
>> + smap_add(&new, "dynamic-routing", "true");
>> + if (smap_get_bool(&op->nbrp->options,
>> + "dynamic-routing-maintain-vrf", false)) {
>> + smap_add(&new, "dynamic-routing-maintain-vrf", "true");
>> + }
>> + const char *vrfname = smap_get(&op->od->nbr->options,
>> + "dynamic-routing-vrf-name");
>> + if (vrfname) {
>> + smap_add(&new, "dynamic-routing-vrf-name", vrfname);
>> + }
>> + const char *portname = smap_get(&op->nbrp->options,
>> + "dynamic-routing-port-name");
>> + if (portname) {
>> + smap_add(&new, "dynamic-routing-port-name", portname);
>> + }
>> + }
>> +
>> + const char *redistribute_local_only_name =
>> + "dynamic-routing-redistribute-local-only";
>> + bool redistribute_local_only_val =
>> + smap_get_bool(&op->nbrp->options,
>> + redistribute_local_only_name,
>> + smap_get_bool(&op->od->nbr->options,
>> + redistribute_local_only_name,
>> + false));
>> + if (redistribute_local_only_val) {
>> + smap_add(&new, redistribute_local_only_name, "true");
>> }
>> }
>>
>> diff --git a/ovn-nb.xml b/ovn-nb.xml
>> index 4a75818075..cbe9c40bbe 100644
>> --- a/ovn-nb.xml
>> +++ b/ovn-nb.xml
>> @@ -3192,6 +3192,22 @@ or
>> </p>
>> </column>
>>
>> + <column name="options"
>> + key="dynamic-routing-redistribute-local-only"
>> + type='{"type": "boolean"}'>
>> + <p>
>> + Only relevant if <ref column="options" key="dynamic-routing"/>
>> + is set to <code>true</code>.
>> + </p>
>> +
>> + <p>
>> + This controls whether <code>ovn-controller</code> will advertise
>> + <ref table="Advertised_Route" db="OVN_Southbound"/> records
>> + only on the chassis where their <code>tracked_port</code> is
>> + bound. Default: <code>false</code>.
>> + </p>
>> + </column>
>> +
>> <column name="options" key="dynamic-routing-vrf-name"
>> type='{"type": "string"}'>
>> <p>
>> @@ -4166,6 +4182,29 @@ or
>>
>> </column>
>>
>> + <column name="options"
>> + key="dynamic-routing-redistribute-local-only"
>> + type='{"type": "boolean"}'>
>> + <p>
>> + Only relevant if <ref column="options" key="dynamic-routing"/>
>> + is set to <code>true</code>.
>> + </p>
>> +
>> + <p>
>> + This controls whether <code>ovn-controller</code> will advertise
>> + <ref table="Advertised_Route" db="OVN_Southbound"/> records
>> + only on the chassis where their <code>tracked_port</code> is
>> + bound.
>> + </p>
>> +
>> + <p>
>> + If not set the value from <ref column="options"
>> + key="dynamic-routing-redistribute-local-only"
>> + table="Logical_Router"/> on the <ref table="Logical_Router"/> will
>> + be used.
>> + </p>
>> + </column>
>> +
>> <column name="options" key="dynamic-routing-maintain-vrf"
>> type='{"type": "boolean"}'>
>> <p>
>> diff --git a/ovn-sb.xml b/ovn-sb.xml
>> index db5faac661..395deae83d 100644
>> --- a/ovn-sb.xml
>> +++ b/ovn-sb.xml
>> @@ -3908,6 +3908,24 @@ tcp.flags = RST;
>> </column>
>> </group>
>>
>> + <group title="Dynamic Routing">
>> + <column name="options"
>> + key="dynamic-routing-redistribute-local-only"
>> + type='{"type": "boolean"}'>
>> + <p>
>> + Only relevant if <ref column="options" key="dynamic-routing"/>
>> + is set to <code>true</code>.
>> + </p>
>> +
>> + <p>
>> + This controls whether <code>ovn-controller</code> will advertise
>> + <ref table="Advertised_Route" db="OVN_Southbound"/> records
>> + only on the chassis where their <code>tracked_port</code> is
>> + bound. Default: <code>false</code>.
>> + </p>
>> + </column>
>> + </group>
>> +
>> <group title="Nested Containers">
>> <p>
>> These columns support containers nested within a VM. Specifically,
>> diff --git a/tests/system-ovn.at b/tests/system-ovn.at
>> index e0407383af..5a5476af75 100644
>> --- a/tests/system-ovn.at
>> +++ b/tests/system-ovn.at
>> @@ -16759,6 +16759,29 @@ OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> blackhole 10.42.10.10 proto ovn metric 1000
>> blackhole 172.16.1.150 proto ovn metric 1000])
>>
>> +# Set LR/LRP.options.dynamic-routing-redistribute-local-only=true
>> +# and verify that lower priority routes are not advertised anymore.
>> +check ovn-nbctl --wait=hv set logical_router_port r1-join \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.150 proto ovn metric 1000])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router_port r1-join \
>> + options dynamic-routing-redistribute-local-only \
>> + -- set logical_router R1 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.150 proto ovn metric 1000])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router R1 \
>> + options dynamic-routing-redistribute-local-only
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 10.42.10.10 proto ovn metric 1000
>> +blackhole 172.16.1.150 proto ovn metric 1000])
>> +
>> # Before cleanup of hv1 ovn-controller, trigger a recompute
>> # to cleanup the local datapaths. Otherwise, the test will fail.
>> # This is because we don't remove a datapath from
>> @@ -16904,6 +16927,29 @@ OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> blackhole 2001:db8:1001::150 dev lo proto ovn metric 1000 pref medium
>> blackhole 2001:db8:3001::150 dev lo proto ovn metric 1000 pref medium])
>>
>> +# Set LR/LRP.options.dynamic-routing-redistribute-local-only=true
>> +# and verify that lower priority routes are not advertised anymore.
>> +check ovn-nbctl --wait=hv set logical_router_port r1-join \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1001::150 dev lo proto ovn metric 1000 pref medium])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router_port r1-join \
>> + options dynamic-routing-redistribute-local-only \
>> + -- set logical_router R1 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1001::150 dev lo proto ovn metric 1000 pref medium])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router R1 \
>> + options dynamic-routing-redistribute-local-only
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1001::150 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:3001::150 dev lo proto ovn metric 1000 pref medium])
>> +
>> # Before cleanup of hv1 ovn-controller, trigger a recompute
>> # to cleanup the local datapaths. Otherwise, the test will fail.
>> # This is because we don't remove a datapath from
>> @@ -17069,6 +17115,35 @@ blackhole 10.42.10.13 proto ovn metric 1000
>> blackhole 172.16.1.10 proto ovn metric 1000
>> blackhole 172.16.1.11 proto ovn metric 1000])
>>
>> +# Set LR/LRP.options.dynamic-routing-redistribute-local-only=true
>> +# and verify that lower priority routes are not advertised anymore.
>> +check ovn-nbctl --wait=hv set logical_router_port r1-join \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.10 proto ovn metric 1000
>> +blackhole 172.16.1.11 proto ovn metric 1000])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router_port r1-join \
>> + options dynamic-routing-redistribute-local-only \
>> + -- set logical_router R1 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.10 proto ovn metric 1000
>> +blackhole 172.16.1.11 proto ovn metric 1000])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router R1 \
>> + options dynamic-routing-redistribute-local-only
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 10.42.10.10 proto ovn metric 1000
>> +blackhole 10.42.10.11 proto ovn metric 1000
>> +blackhole 10.42.10.12 proto ovn metric 1000
>> +blackhole 10.42.10.13 proto ovn metric 1000
>> +blackhole 172.16.1.10 proto ovn metric 1000
>> +blackhole 172.16.1.11 proto ovn metric 1000])
>> +
>> # Add "guest" LS connected the distributed router R2 and one "VM" called
>> # guest1.
>> # Also, connect R2 to ls-join via another DGW.
>> @@ -17283,6 +17358,35 @@ blackhole 2001:db8:1004::151 dev lo proto ovn
>> metric 1000 pref medium
>> blackhole 2001:db8:1004::152 dev lo proto ovn metric 1000 pref medium
>> blackhole 2001:db8:1004::153 dev lo proto ovn metric 1000 pref medium])
>>
>> +# Set LR/LRP.options.dynamic-routing-redistribute-local-only=true
>> +# and verify that lower priority routes are not advertised anymore.
>> +check ovn-nbctl --wait=hv set logical_router_port r1-join \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1003::150 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1003::151 dev lo proto ovn metric 1000 pref medium])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router_port r1-join \
>> + options dynamic-routing-redistribute-local-only \
>> + -- set logical_router R1 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1003::150 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1003::151 dev lo proto ovn metric 1000 pref medium])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router R1 \
>> + options dynamic-routing-redistribute-local-only
>> +
>> +OVN_ROUTE_V6_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 2001:db8:1003::150 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1003::151 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1004::150 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1004::151 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1004::152 dev lo proto ovn metric 1000 pref medium
>> +blackhole 2001:db8:1004::153 dev lo proto ovn metric 1000 pref medium])
>> +
>> # Add "guest" LS connected the distributed router R2 and one "VM" called
>> # guest1.
>> # Also, connect R2 to ls-join via another DGW.
>> @@ -17356,6 +17460,183 @@ OVS_TRAFFIC_VSWITCHD_STOP(["/failed to query port
>> patch-.*/d
>> AT_CLEANUP
>> ])
>>
>> +OVN_FOR_EACH_NORTHD([
>> +AT_SETUP([dynamic-routing - NAT IPs on DGP])
>> +AT_KEYWORDS([dynamic-routing])
>> +
>> +CHECK_VRF()
>> +CHECK_CONNTRACK()
>> +CHECK_CONNTRACK_NAT()
>> +
>> +vrf=1000
>> +VRF_RESERVE([$vrf])
>> +ovn_start
>> +OVS_TRAFFIC_VSWITCHD_START()
>> +ADD_BR([br-int])
>> +ADD_BR([br-ext], [set Bridge br-ext fail-mode=standalone])
>> +
>> +dnl Set external-ids in br-int needed for ovn-controller.
>> +check ovs-vsctl \
>> + -- set Open_vSwitch . external-ids:system-id=hv1 \
>> + -- set Open_vSwitch .
>> external-ids:ovn-remote=unix:$ovs_base/ovn-sb/ovn-sb.sock \
>> + -- set Open_vSwitch . external-ids:ovn-encap-type=geneve \
>> + -- set Open_vSwitch . external-ids:ovn-encap-ip=169.0.0.1 \
>> + -- set Open_vSwitch . external-ids:ovn-bridge-mappings=phynet:br-ext \
>> + -- set bridge br-int fail-mode=secure other-config:disable-in-band=true
>> +
>> +dnl Start ovn-controller.
>> +start_daemon ovn-controller
>> +
>> +OVS_WAIT_WHILE([ip link | grep -q ovnvrf$vrf:.*UP])
>> +
>> +
>> +dnl Logical topology:
>> +dnl
>> +dnl +----+ +----+
>> +dnl |vif1| (chassis=hv1) |vif2| (chassis=hv2)
>> +dnl +-+--+ +-+--+
>> +dnl | |
>> +dnl +-----------------------+
>> +dnl |
>> +dnl +--+---+
>> +dnl |LS sw0|
>> +dnl +--+---+
>> +dnl |
>> +dnl +--+--+
>> +dnl | LR | (distributed DNAT_AND_SNAT for vif1 and vif2)
>> +dnl | R1 |
>> +dnl +--+--+
>> +dnl |
>> +dnl +---+------+
>> +dnl |LS public1|
>> +dnl +---+------+
>> +dnl |
>> +dnl +--+--+
>> +dnl | LR | (dynamic-routing=true, dynamic-routing-redistribute=nat,lb)
>> +dnl | R2 |
>> +dnl +--+--+
>> +dnl |
>> +dnl +---+------+
>> +dnl |LS public2|
>> +dnl +----------+
>> +
>> +ADD_NAMESPACES(vif1)
>> +ADD_VETH(vif1, vif1, br-int, "192.168.1.100/24", "f0:00:00:00:01:00",
>> "192.168.1.1")
>> +
>> +check ovn-nbctl \
>> + -- lr-add R1 \
>> + -- lrp-add R1 R1-S0 00:00:01:01:02:03 192.168.1.1/24 \
>> + -- lrp-add R1 R1-PUB1 00:00:02:01:02:03 172.16.1.1/24 \
>> + -- lrp-set-gateway-chassis R1-PUB1 hv1
>> +
>> +check ovn-nbctl \
>> + -- lr-add R2 \
>> + -- set Logical_Router R2 \
>> + options:requested-tnl-key=$vrf \
>> + options:dynamic-routing=true \
>> + options:dynamic-routing-redistribute=lb,nat \
>> + -- lrp-add R2 R2-PUB1 00:02:02:01:02:03 172.16.1.2/24 \
>> + -- lrp-add R2 R2-PUB2 00:03:02:01:02:03 42.42.42.1/24 \
>> + -- lrp-set-options R2-PUB2 \
>> + dynamic-routing-maintain-vrf=true \
>> + -- lrp-set-gateway-chassis R2-PUB2 hv1
>> +
>> +check ovn-nbctl \
>> + -- ls-add S0 \
>> + -- lsp-add S0 S0-R1 \
>> + -- set Logical_Switch_Port S0-R1 type=router \
>> + options:router-port=R1-S0 \
>> + -- lsp-set-addresses S0-R1 router \
>> + -- lsp-add S0 vif1 \
>> + -- lsp-add S0 vif2
>> +
>> +check ovn-nbctl \
>> + -- ls-add PUB1 \
>> + -- lsp-add PUB1 PUB1-R1 \
>> + -- set Logical_Switch_Port PUB1-R1 type=router \
>> + options:router-port=R1-PUB1 \
>> + -- lsp-set-addresses PUB1-R1 router \
>> + -- lsp-add PUB1 PUB1-R2 \
>> + -- set Logical_Switch_Port PUB1-R2 type=router \
>> + options:router-port=R2-PUB1 \
>> + -- lsp-set-addresses PUB1-R2 router \
>> + -- lsp-add PUB1 ln1 \
>> + -- lsp-set-addresses ln1 unknown \
>> + -- lsp-set-type ln1 localnet \
>> + -- lsp-set-options ln1 network_name=phynet
>> +
>> +check ovn-nbctl \
>> + -- ls-add PUB2 \
>> + -- lsp-add PUB2 PUB2-R2 \
>> + -- set Logical_Switch_Port PUB2-R2 type=router \
>> + options:router-port=R2-PUB2 \
>> + -- lsp-set-addresses PUB2-R2 router \
>> + -- lsp-add PUB2 ln2 \
>> + -- lsp-set-addresses ln2 unknown \
>> + -- lsp-set-type ln2 localnet \
>> + -- lsp-set-options ln2 network_name=phynet
>> +
>> +OVN_POPULATE_ARP
>> +check ovn-nbctl --wait=hv sync
>> +wait_for_ports_up vif1
>> +
>> +AT_CHECK([test `ip route show table $vrf | wc -l` -eq 1], [1])
>> +AT_CHECK([ip link | grep -q ovnvrf$vrf:.*UP])
>> +
>> +dnl Create distributed NATs and associate them with vif1 and vif2.
>> +check ovn-nbctl --wait=hv
>> \
>> + -- lr-nat-add R1 dnat_and_snat 172.16.1.100 192.168.1.100 vif1
>> 00:00:00:00:00:01 \
>> + -- lr-nat-add R1 dnat_and_snat 172.16.1.200 192.168.1.200 vif2
>> 00:00:00:00:00:02
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.100 proto ovn metric 100
>> +blackhole 172.16.1.200 proto ovn metric 1000])
>> +
>> +dnl Set LR/LRP.options.dynamic-routing-redistribute-local-only=true
>> +dnl and verify that lower priority routes are not advertised anymore.
>> +check ovn-nbctl --wait=hv set logical_router_port R2-PUB1 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.100 proto ovn metric 100])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router_port R2-PUB1 \
>> + options dynamic-routing-redistribute-local-only \
>> + -- set logical_router R2 \
>> + options:dynamic-routing-redistribute-local-only=true
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.100 proto ovn metric 100])
>> +
>> +check ovn-nbctl --wait=hv remove logical_router R2 \
>> + options dynamic-routing-redistribute-local-only
>> +
>> +OVN_ROUTE_EQUAL([ovnvrf$vrf], [dnl
>> +blackhole 172.16.1.100 proto ovn metric 100
>> +blackhole 172.16.1.200 proto ovn metric 1000])
>> +
>> +OVN_CLEANUP_CONTROLLER([hv1])
>> +
>> +dnl Ensure system resources are cleaned up.
>> +AT_CHECK([ip link | grep -q ovnvrf$vrf:.*UP], [1])
>> +AT_CHECK([test `ip route show table $vrf | wc -l` -eq 1], [1])
>> +
>> +as ovn-sb
>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>> +
>> +as ovn-nb
>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>> +
>> +as northd
>> +OVS_APP_EXIT_AND_WAIT([ovn-northd])
>> +
>> +as
>> +OVS_TRAFFIC_VSWITCHD_STOP(["/failed to query port patch-.*/d
>> +/Failed to acquire.*/d
>> +/connection dropped.*/d"])
>> +AT_CLEANUP
>> +])
>> +
>> OVN_FOR_EACH_NORTHD([
>> AT_SETUP([Mac binding aging - Probing])
>> AT_KEYWORDS([mac_binding_probing])
>> --
>> 2.50.1
>>
>
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