From: Numan Siddique <num...@ovn.org>
Presently when ARP request for the load balance VIP is received
from the provider network, all the ovn-controllers' reply to the ARP
request which have ovn-bridge-mappings configured.
This patch restricts these ARP replies only on the chassis where the
chassis redirect port of the distributed router port is resident.
Signed-off-by: Numan Siddique <num...@ovn.org>
---
northd/ovn-northd.8.xml | 14 ++++++++++++++
northd/ovn-northd.c | 4 ++++
2 files changed, 18 insertions(+)
diff --git a/northd/ovn-northd.8.xml b/northd/ovn-northd.8.xml
index c6d5d96b9..4b227ca71 100644
--- a/northd/ovn-northd.8.xml
+++ b/northd/ovn-northd.8.xml
@@ -1680,6 +1680,13 @@ flags.loopback = 1;
output;
</pre>
+ <p>
+ If the router port <var>P</var> is a distributed gateway router
+ port, then the <code>is_chassis_resident(<var>P</var>)</code> is
+ also added in the match condition for the load balancer IPv4
+ VIP <var>A</var>.
+ </p>
+
<p>
IPv6: For a configured DNAT IP address or a load balancer
IPv6 VIP <var>A</var>, solicited node address <var>S</var>,
@@ -1704,6 +1711,13 @@ nd_na {
}
</pre>
+ <p>
+ If the router port <var>P</var> is a distributed gateway router
+ port, then the <code>is_chassis_resident(<var>P</var>)</code>
+ is also added in the match condition for the load balancer IPv6
+ VIP <var>A</var>.
+ </p>
+
<p>
For the gateway port on a distributed logical router with NAT
(where one of the logical router ports specifies a
diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
index d91a008b7..925f25079 100644
--- a/northd/ovn-northd.c
+++ b/northd/ovn-northd.c
@@ -7511,6 +7511,10 @@ build_lrouter_flows(struct hmap *datapaths, struct hmap
*ports,
"inport == %s && arp.tpa == %s && arp.op == 1",
op->json_key, ip_address);
+ if (op == op->od->l3dgw_port) {
+ ds_put_format(&match, " && is_chassis_resident(%s)",
+ op->od->l3redirect_port->json_key);
+ }
ds_clear(&actions);
ds_put_format(&actions,
"eth.dst = eth.src; "
--
2.24.1
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