Hi Ales,

Thank you for your review.

Em qua., 13 de mai. de 2026 às 05:16, Ales Musil <[email protected]>
escreveu:

>
>
> On Thu, Apr 30, 2026 at 10:23 PM Lucas Vargas Dias via dev <
> [email protected]> wrote:
>
>> Optimize logical flow generation for NAT with distributed gateway ports
>> by removing duplicate
>> priority 90/91 flows and consolidating ARP/ND flow creation in
>> build_lrouter_nat_arp_nd_flow().
>> Add chassis residency filtering for l3dgw ports so ARP/ND responses are
>> generated only on the
>> correct gateway chassis, reducing flow count while preserving behavior.
>>
>> Signed-off-by: Lucas Vargas Dias <[email protected]>
>> ---
>>
>
> Hi Lucas,
>
> thank you for the patch, I have a few comments down below.
>
>
>>  northd/northd.c     | 36 +++++++++++++----------
>>  tests/ovn-northd.at | 70 +++++++--------------------------------------
>>  2 files changed, 31 insertions(+), 75 deletions(-)
>>
>> diff --git a/northd/northd.c b/northd/northd.c
>> index 0b52db6cf..20546af6c 100644
>> --- a/northd/northd.c
>> +++ b/northd/northd.c
>> @@ -14026,6 +14026,7 @@ build_lrouter_nd_flow(const struct ovn_datapath
>> *od, struct ovn_port *op,
>>
>>  static void
>>  build_lrouter_nat_arp_nd_flow(const struct ovn_datapath *od,
>> +                              struct ovn_port *op,
>>                                struct ovn_nat *nat_entry,
>>                                struct lflow_table *lflows,
>>                                const struct shash *meter_groups,
>> @@ -14033,16 +14034,20 @@ build_lrouter_nat_arp_nd_flow(const struct
>> ovn_datapath *od,
>>  {
>>      struct lport_addresses *ext_addrs = &nat_entry->ext_addrs;
>>      const struct nbrec_nat *nat = nat_entry->nb;
>> +    if (op && lrp_is_l3dgw(op) && (!op->peer || !op->peer->cr_port)) {
>>
>
> The second portion cannot ever happen right?
> I think it can be simplified to (op &&  lrp_is_l3dgw(op)).
>
>
Actually, it can happen, you can configure the following:



> +        return;
>> +    }
>>
>> +    op = NULL;
>>
>
> I would prefer to just pass the NULL directly into
> the function then instead of the op = NULL assign.
>

I agree

>
>
>>      if (nat_entry_is_v6(nat_entry)) {
>> -        build_lrouter_nd_flow(od, NULL, "nd_na",
>> +        build_lrouter_nd_flow(od, op, "nd_na",
>>                                ext_addrs->ipv6_addrs[0].addr_s,
>>                                ext_addrs->ipv6_addrs[0].sn_addr_s,
>>                                REG_INPORT_ETH_ADDR, NULL, false, 90,
>>                                &nat->header_, lflows, meter_groups,
>>                                lflow_ref);
>>      } else {
>> -        build_lrouter_arp_flow(od, NULL,
>> +        build_lrouter_arp_flow(od, op,
>>                                 ext_addrs->ipv4_addrs[0].addr_s,
>>                                 REG_INPORT_ETH_ADDR, NULL, false, 90,
>>                                 &nat->header_, lflows,
>> @@ -14113,23 +14118,12 @@ build_lrouter_port_nat_arp_nd_flow(struct
>> ovn_port *op,
>>                                mac_s, &match, false, 92,
>>                                &nat->header_, lflows, meter_groups,
>>                                lflow_ref);
>> -        build_lrouter_nd_flow(op->od, op, "nd_na",
>> -                              ext_addrs->ipv6_addrs[0].addr_s,
>> -                              ext_addrs->ipv6_addrs[0].sn_addr_s,
>> -                              mac_s, NULL, true, 91,
>
> -                              &nat->header_, lflows, meter_groups,
>> -                              lflow_ref);
>>      } else {
>>          build_lrouter_arp_flow(op->od, op,
>>                                 ext_addrs->ipv4_addrs[0].addr_s,
>>                                 mac_s, &match, false, 92,
>>                                 &nat->header_, lflows,
>>                                 lflow_ref);
>> -        build_lrouter_arp_flow(op->od, op,
>> -                               ext_addrs->ipv4_addrs[0].addr_s,
>> -                               mac_s, NULL, true, 91,
>> -                               &nat->header_, lflows,
>> -                               lflow_ref);
>>
>
> Those two were the only ones that actually
> called "build_lrouter_nd_flow" and "build_lrouter_arp_flow"
> with drop=true, so we can remove the drop argument completely.
>
>
I agree


>      }
>>
>>      ds_destroy(&match);
>> @@ -16846,6 +16840,8 @@ build_lrouter_ipv4_default_ttl_expired_flows(
>>          ds_clear(&ip_ds);
>>          if (lrp_is_l3dgw(op)) {
>>              ds_put_cstr(&ip_ds, "ip4.dst <-> ip4.src");
>> +            ds_put_format(match, "is_chassis_resident(%s) && ",
>> +                                              op->cr_port->json_key);
>>
>
> This change is not mentioned in the commit message and
> is kind of unrelated, was that done on purpose? If so it should
> its own commit and explanation.
>

Actually, I forgot to mention, but the idea is to add chassis residency
filtering.

>
>
>>          } else {
>>              ds_put_format(&ip_ds, "ip4.dst = ip4.src; ip4.src = %s",
>>                            op->lrp_networks.ipv4_addrs[i].addr_s);
>> @@ -16922,6 +16918,8 @@ build_lrouter_ipv6_default_ttl_expired_flows(
>>          ds_clear(&ip_ds);
>>          if (lrp_is_l3dgw(op)) {
>>              ds_put_cstr(&ip_ds, "ip6.dst <-> ip6.src");
>> +            ds_put_format(match, "is_chassis_resident(%s) && ",
>> +                                  op->cr_port->json_key);
>>          } else {
>>              ds_put_format(&ip_ds, "ip6.dst = ip6.src; ip6.src = %s",
>>                            op->lrp_networks.ipv6_addrs[i].addr_s);
>> @@ -17141,7 +17139,11 @@ build_lrouter_arp_nd_for_datapath(const struct
>> ovn_datapath *od,
>>          if (nat_entry->type == SNAT) {
>>              continue;
>>          }
>> -        build_lrouter_nat_arp_nd_flow(od, nat_entry, lflows,
>> meter_groups,
>> +        struct ovn_port *op = NULL;
>> +        if (nat_entry->l3dgw_port) {
>> +            op = nat_entry->l3dgw_port;
>> +        }
>> +        build_lrouter_nat_arp_nd_flow(od, op, nat_entry, lflows,
>> meter_groups,
>>
>
> Unless I'm missing something the whole port is NULL, and the if can be
> skipped,
> instead, the nat_entry->l3dgw_port can be passed directly into the
> function call.
>
> I agree


Regards,
Lucas


>                                        lflow_ref);
>>      }
>>
>> @@ -17157,7 +17159,11 @@ build_lrouter_arp_nd_for_datapath(const struct
>> ovn_datapath *od,
>>          struct ovn_nat *nat_entry =
>>              CONTAINER_OF(ovs_list_front(&snat_ip->snat_entries),
>>                           struct ovn_nat, ext_addr_list_node);
>> -        build_lrouter_nat_arp_nd_flow(od, nat_entry, lflows,
>> meter_groups,
>> +        struct ovn_port *op = NULL;
>> +        if (nat_entry->l3dgw_port) {
>> +            op = nat_entry->l3dgw_port;
>> +        }
>> +        build_lrouter_nat_arp_nd_flow(od, op, nat_entry, lflows,
>> meter_groups,
>>                                        lflow_ref);
>>
>
> Same here.
>
>
>>      }
>>  }
>> diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
>> index 1d7bd6c28..f065dda35 100644
>> --- a/tests/ovn-northd.at
>> +++ b/tests/ovn-northd.at
>> @@ -2185,18 +2185,6 @@ action=(xreg0[[0..47]] = 00:00:00:00:01:00; next;)
>>  # Priority 90 flows (per router).
>>  AT_CHECK_UNQUOTED([ovn-sbctl lflow-list | grep -E
>> "lr_in_ip_input.*priority=90" | grep "arp\|nd" | ovn_strip_lflows], [0],
>> [dnl
>>    table=??(lr_in_ip_input     ), priority=90   , dnl
>> -match=(arp.op == 1 && arp.tpa == 43.43.43.150), dnl
>> -action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , dnl
>> -match=(arp.op == 1 && arp.tpa == 43.43.43.2), dnl
>> -action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , dnl
>> -match=(arp.op == 1 && arp.tpa == 43.43.43.3), dnl
>> -action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , dnl
>> -match=(arp.op == 1 && arp.tpa == 43.43.43.4), dnl
>> -action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , dnl
>>  match=(inport == "lrp" && arp.op == 1 && arp.tpa == \$${lb_as_v4}), dnl
>>  action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>>    table=??(lr_in_ip_input     ), priority=90   , dnl
>> @@ -2225,19 +2213,10 @@ match=(inport == "lrp-public" && nd_ns &&
>> nd.target == \$${lb_as_v6} && is_chass
>>  action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll =
>> xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
>>  ])
>>
>> -# Priority 91 drop flows (per distributed gw port), if port is not
>> resident.
>> -AT_CHECK([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=91" |
>> grep "arp\|nd" | ovn_strip_lflows], [0], [dnl
>> -  table=??(lr_in_ip_input     ), priority=91   , dnl
>> -match=(inport == "lrp-public" && arp.op == 1 && arp.tpa ==
>> 43.43.43.150), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , dnl
>> -match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == 43.43.43.2),
>> dnl
>> -action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , dnl
>> -match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == 43.43.43.3),
>> dnl
>> -action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , dnl
>> -match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == 43.43.43.4),
>> dnl
>> -action=(drop;)
>> +# Priority 85 drop using the default drop from table lr_in_ip_input.
>> +AT_CHECK([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=85" |
>> grep "arp\|nd" | ovn_strip_lflows], [0], [dnl
>> +  table=??(lr_in_ip_input     ), priority=85   , dnl
>> +match=(arp || nd), action=(drop;)
>>  ])
>>
>>  # Priority 92 ARP/NS responders (per distributed gw port), if port is
>> resident.
>> @@ -8762,13 +8741,8 @@ check ovn-nbctl --wait=sb sync
>>  ovn-sbctl dump-flows DR > lrflows
>>  AT_CAPTURE_FILE([lrflows])
>>
>> -AT_CHECK([grep lr_in_ip_input lrflows | grep arp | grep -e 172.16.1.10
>> -e 10.0.0.10 -e 192.168.0.10 | ovn_strip_lflows], [0], [dnl
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 10.0.0.10), action=(eth.dst = eth.src; eth.src = xreg0[[0..47]];
>> arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]];
>> arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.16.1.10), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 192.168.0.10), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 192.168.0.10), action=(drop;)
>> +AT_CHECK([grep lr_in_ip_input lrflows | grep arp | grep -e 172.16.1.10
>> -e 10.0.0.10 -e 192.168.0.10 -e drop| ovn_strip_lflows], [0], [dnl
>> +  table=??(lr_in_ip_input     ), priority=85   , match=(arp || nd),
>> action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10 &&
>> is_chassis_resident("cr-DR-S1")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10 &&
>> is_chassis_resident("cr-DR-S2")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 192.168.0.10 &&
>> is_chassis_resident("cr-DR-S3")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> @@ -8810,12 +8784,8 @@ check ovn-nbctl --wait=sb sync
>>  ovn-sbctl dump-flows DR > lrflows
>>  AT_CAPTURE_FILE([lrflows])
>>
>> -AT_CHECK([grep lr_in_ip_input lrflows | grep arp | grep -e 172.16.1.10
>> -e 10.0.0.10 | ovn_strip_lflows], [0], [dnl
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 10.0.0.10), action=(eth.dst = eth.src; eth.src = xreg0[[0..47]];
>> arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]];
>> arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.16.1.10), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 172.16.1.10), action=(drop;)
>> +AT_CHECK([grep lr_in_ip_input lrflows | grep arp | grep -e 172.16.1.10
>> -e 10.0.0.10 -e drop| ovn_strip_lflows], [0], [dnl
>> +  table=??(lr_in_ip_input     ), priority=85   , match=(arp || nd),
>> action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10 &&
>> is_chassis_resident("cr-DR-S1")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10 &&
>> is_chassis_resident("cr-DR-S2")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 172.16.1.10 &&
>> is_chassis_resident("cr-DR-S3")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> @@ -8849,12 +8819,6 @@ ovn-sbctl dump-flows DR > lrflows
>>  AT_CAPTURE_FILE([lrflows])
>>
>>  AT_CHECK([grep lr_in_ip_input lrflows | grep arp | grep -e 172.16.1.10
>> -e 10.0.0.10 -e 192.168.0.10 | ovn_strip_lflows], [0], [dnl
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 10.0.0.10), action=(eth.dst = eth.src; eth.src = xreg0[[0..47]];
>> arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]];
>> arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.16.1.10), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 192.168.0.10), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 192.168.0.10), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S1" && arp.op == 1 && arp.tpa == 172.16.1.10 &&
>> is_chassis_resident("cr-DR-S1")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S2" && arp.op == 1 && arp.tpa == 10.0.0.10 &&
>> is_chassis_resident("cr-DR-S2")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "DR-S3" && arp.op == 1 && arp.tpa == 192.168.0.10 &&
>> is_chassis_resident("cr-DR-S3")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> @@ -14245,9 +14209,9 @@ AT_CHECK([grep "lr_in_ip_input" lr0flows |
>> ovn_strip_lflows], [0], [dnl
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw0" && ip6 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp6
>> {eth.dst <-> eth.src; ip6.dst = ip6.src; ip6.src = fe80::200:ff:fe00:ff01;
>> ip.ttl = 254; icmp6.type = 3; /* Time exceeded */ icmp6.code = 0; /* TTL
>> exceeded in transit */ outport = "lr0-sw0"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw1" && ip4 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp4
>> {eth.dst <-> eth.src; icmp4.type = 11; /* Time exceeded */ icmp4.code = 0;
>> /* TTL exceeded in transit */ ip4.dst = ip4.src; ip4.src = 20.0.0.1; ip.ttl
>> = 254; outport = "lr0-sw1"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw1" && ip6 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp6
>> {eth.dst <-> eth.src; ip6.dst = ip6.src; ip6.src = fe80::200:ff:fe00:ff03;
>> ip.ttl = 254; icmp6.type = 3; /* Time exceeded */ icmp6.code = 0; /* TTL
>> exceeded in transit */ outport = "lr0-sw1"; flags.loopback = 1; output; };)
>> -  table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-public" && ip4 && ip4.src == 172.168.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst <->
>> ip4.src ; ip.ttl = 254; outport = "lr0-public"; flags.loopback = 1; output;
>> };)
>>    table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-sw0" && ip4 && ip4.src == 10.0.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst =
>> ip4.src; ip4.src = 10.0.0.1 ; ip.ttl = 254; outport = "lr0-sw0";
>> flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-sw1" && ip4 && ip4.src == 20.0.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst =
>> ip4.src; ip4.src = 20.0.0.1 ; ip.ttl = 254; outport = "lr0-sw1";
>> flags.loopback = 1; output; };)
>> +  table=??(lr_in_ip_input     ), priority=31   ,
>> match=(is_chassis_resident("cr-lr0-public") && inport == "lr0-public" &&
>> ip4 && ip4.src == 172.168.0.0/24 && ip.ttl == {0, 1} && !ip.later_frag),
>> action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /* Time exceeded */
>> icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst <-> ip4.src ; ip.ttl
>> = 254; outport = "lr0-public"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=32   , match=(ip.ttl == {0, 1}
>> && !ip.later_frag && (ip4.mcast || ip6.mcast)), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=50   , match=(eth.bcast),
>> action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=60   , match=(ip4.dst ==
>> {10.0.0.1}), action=(drop;)
>> @@ -14260,9 +14224,6 @@ AT_CHECK([grep "lr_in_ip_input" lr0flows |
>> ovn_strip_lflows], [0], [dnl
>>    table=??(lr_in_ip_input     ), priority=83   , match=(ip6.mcast_rsvd),
>> action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=84   , match=(nd_rs || nd_ra),
>> action=(next;)
>>    table=??(lr_in_ip_input     ), priority=85   , match=(arp || nd),
>> action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.100), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.110), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.120), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=90   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.10 && arp.spa ==
>> 172.168.0.0/24 && is_chassis_resident("cr-lr0-public")), action=(eth.dst
>> = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha =
>> arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport;
>> flags.loopback = 1; output;)
>>    table=??(lr_in_ip_input     ), priority=90   , match=(inport ==
>> "lr0-public" && ip6.dst == {fe80::200:ff:fe00:ff02, ff02::1:ff00:ff02} &&
>> nd_ns && nd.target == fe80::200:ff:fe00:ff02 &&
>> is_chassis_resident("cr-lr0-public")), action=(nd_na_router { eth.src =
>> xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport =
>> inport; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=90   , match=(inport ==
>> "lr0-sw0" && arp.op == 1 && arp.tpa == 10.0.0.1 && arp.spa == 10.0.0.0/24),
>> action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP
>> reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa;
>> outport = inport; flags.loopback = 1; output;)
>> @@ -14275,9 +14236,6 @@ AT_CHECK([grep "lr_in_ip_input" lr0flows |
>> ovn_strip_lflows], [0], [dnl
>>    table=??(lr_in_ip_input     ), priority=90   , match=(ip6.dst ==
>> fe80::200:ff:fe00:ff01 && icmp6.type == 128 && icmp6.code == 0),
>> action=(ip6.dst <-> ip6.src; ip.ttl = 255; icmp6.type = 129; flags.loopback
>> = 1; next; )
>>    table=??(lr_in_ip_input     ), priority=90   , match=(ip6.dst ==
>> fe80::200:ff:fe00:ff02 && icmp6.type == 128 && icmp6.code == 0),
>> action=(ip6.dst <-> ip6.src; ip.ttl = 255; icmp6.type = 129; flags.loopback
>> = 1; next; )
>>    table=??(lr_in_ip_input     ), priority=90   , match=(ip6.dst ==
>> fe80::200:ff:fe00:ff03 && icmp6.type == 128 && icmp6.code == 0),
>> action=(ip6.dst <-> ip6.src; ip.ttl = 255; icmp6.type = 129; flags.loopback
>> = 1; next; )
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.100), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.100 &&
>> is_chassis_resident("cr-lr0-public")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110 &&
>> is_chassis_resident("sw0-port1")), action=(eth.dst = eth.src; eth.src =
>> 30:54:00:00:00:03; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> 30:54:00:00:00:03; arp.tpa <-> arp.spa; outport = inport; flags.loopback =
>> 1; output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120 &&
>> is_chassis_resident("cr-lr0-public")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> @@ -14372,10 +14330,6 @@ AT_CHECK([grep -Fe "172.168.0.110" -e
>> "172.168.0.120" -e "10.0.0.3" -e "20.0.0.3
>>    table=??(lr_in_dnat         ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.110 && inport == "lr0-public"), action=(ct_dnat(10.0.0.3);)
>>    table=??(lr_in_dnat         ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.120 && inport == "lr0-public" &&
>> is_chassis_resident("cr-lr0-public")), action=(ct_dnat(20.0.0.3);)
>>    table=??(lr_in_gw_redirect  ), priority=100  , match=(ip4.src ==
>> 10.0.0.3 && outport == "lr0-public" && is_chassis_resident("sw0-port1")),
>> action=(eth.src = 30:54:00:00:00:03; reg5 = 172.168.0.110; next;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.110), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.120), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110 &&
>> is_chassis_resident("sw0-port1")), action=(eth.dst = eth.src; eth.src =
>> 30:54:00:00:00:03; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> 30:54:00:00:00:03; arp.tpa <-> arp.spa; outport = inport; flags.loopback =
>> 1; output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120 &&
>> is_chassis_resident("cr-lr0-public")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_unsnat       ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.110 && inport == "lr0-public"), action=(ct_snat;)
>> @@ -14431,9 +14385,9 @@ AT_CHECK([grep "lr_in_ip_input" lr0flows |
>> ovn_strip_lflows], [0], [dnl
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw0" && ip6 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp6
>> {eth.dst <-> eth.src; ip6.dst = ip6.src; ip6.src = fe80::200:ff:fe00:ff01;
>> ip.ttl = 254; icmp6.type = 3; /* Time exceeded */ icmp6.code = 0; /* TTL
>> exceeded in transit */ outport = "lr0-sw0"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw1" && ip4 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp4
>> {eth.dst <-> eth.src; icmp4.type = 11; /* Time exceeded */ icmp4.code = 0;
>> /* TTL exceeded in transit */ ip4.dst = ip4.src; ip4.src = 20.0.0.1; ip.ttl
>> = 254; outport = "lr0-sw1"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=30   , match=(inport ==
>> "lr0-sw1" && ip6 && ip.ttl == {0, 1} && !ip.later_frag), action=(icmp6
>> {eth.dst <-> eth.src; ip6.dst = ip6.src; ip6.src = fe80::200:ff:fe00:ff03;
>> ip.ttl = 254; icmp6.type = 3; /* Time exceeded */ icmp6.code = 0; /* TTL
>> exceeded in transit */ outport = "lr0-sw1"; flags.loopback = 1; output; };)
>> -  table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-public" && ip4 && ip4.src == 172.168.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst <->
>> ip4.src ; ip.ttl = 254; outport = "lr0-public"; flags.loopback = 1; output;
>> };)
>>    table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-sw0" && ip4 && ip4.src == 10.0.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst =
>> ip4.src; ip4.src = 10.0.0.1 ; ip.ttl = 254; outport = "lr0-sw0";
>> flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=31   , match=(inport ==
>> "lr0-sw1" && ip4 && ip4.src == 20.0.0.0/24 && ip.ttl == {0, 1} &&
>> !ip.later_frag), action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /*
>> Time exceeded */ icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst =
>> ip4.src; ip4.src = 20.0.0.1 ; ip.ttl = 254; outport = "lr0-sw1";
>> flags.loopback = 1; output; };)
>> +  table=??(lr_in_ip_input     ), priority=31   ,
>> match=(is_chassis_resident("cr-lr0-public") && inport == "lr0-public" &&
>> ip4 && ip4.src == 172.168.0.0/24 && ip.ttl == {0, 1} && !ip.later_frag),
>> action=(icmp4 {eth.dst <-> eth.src; icmp4.type = 11; /* Time exceeded */
>> icmp4.code = 0; /* TTL exceeded in transit */ ip4.dst <-> ip4.src ; ip.ttl
>> = 254; outport = "lr0-public"; flags.loopback = 1; output; };)
>>    table=??(lr_in_ip_input     ), priority=32   , match=(ip.ttl == {0, 1}
>> && !ip.later_frag && (ip4.mcast || ip6.mcast)), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=50   , match=(eth.bcast),
>> action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=60   , match=(ip4.dst ==
>> {10.0.0.1}), action=(drop;)
>> @@ -14618,10 +14572,6 @@ AT_CHECK([grep -Fe "172.168.0.110" -e
>> "172.168.0.120" -e "10.0.0.3" -e "20.0.0.3
>>    table=??(lr_in_dnat         ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.110 && inport == "lr0-public"), action=(ct_dnat(10.0.0.3);)
>>    table=??(lr_in_dnat         ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.120 && inport == "lr0-public" &&
>> is_chassis_resident("cr-lr0-public")), action=(ct_dnat(20.0.0.3);)
>>    table=??(lr_in_gw_redirect  ), priority=100  , match=(ip4.src ==
>> 10.0.0.3 && outport == "lr0-public" && is_chassis_resident("sw0-port1")),
>> action=(eth.src = 30:54:00:00:00:03; reg5 = 172.168.0.110; next;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.110), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=90   , match=(arp.op == 1 &&
>> arp.tpa == 172.168.0.120), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110), action=(drop;)
>> -  table=??(lr_in_ip_input     ), priority=91   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120), action=(drop;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.110 &&
>> is_chassis_resident("sw0-port1")), action=(eth.dst = eth.src; eth.src =
>> 30:54:00:00:00:03; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> 30:54:00:00:00:03; arp.tpa <-> arp.spa; outport = inport; flags.loopback =
>> 1; output;)
>>    table=??(lr_in_ip_input     ), priority=92   , match=(inport ==
>> "lr0-public" && arp.op == 1 && arp.tpa == 172.168.0.120 &&
>> is_chassis_resident("cr-lr0-public")), action=(eth.dst = eth.src; eth.src =
>> xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha =
>> xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1;
>> output;)
>>    table=??(lr_in_unsnat       ), priority=100  , match=(ip && ip4.dst ==
>> 172.168.0.110 && inport == "lr0-public"), action=(ct_snat;)
>> --
>> 2.43.0
>>
>>
>> --
>>
>>
>>
>>
>> _'Esta mensagem é direcionada apenas para os endereços constantes no
>> cabeçalho inicial. Se você não está listado nos endereços constantes no
>> cabeçalho, pedimos-lhe que desconsidere completamente o conteúdo dessa
>> mensagem e cuja cópia, encaminhamento e/ou execução das ações citadas
>> estão
>> imediatamente anuladas e proibidas'._
>>
>>
>> * **'Apesar do Magazine Luiza tomar
>> todas as precauções razoáveis para assegurar que nenhum vírus esteja
>> presente nesse e-mail, a empresa não poderá aceitar a responsabilidade
>> por
>> quaisquer perdas ou danos causados por esse e-mail ou por seus anexos'.*
>>
>>
>>
>> _______________________________________________
>> dev mailing list
>> [email protected]
>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>>
>>
> Regards,
> Ales
>

-- 




_‘Esta mensagem é direcionada apenas para os endereços constantes no 
cabeçalho inicial. Se você não está listado nos endereços constantes no 
cabeçalho, pedimos-lhe que desconsidere completamente o conteúdo dessa 
mensagem e cuja cópia, encaminhamento e/ou execução das ações citadas estão 
imediatamente anuladas e proibidas’._


* **‘Apesar do Magazine Luiza tomar 
todas as precauções razoáveis para assegurar que nenhum vírus esteja 
presente nesse e-mail, a empresa não poderá aceitar a responsabilidade por 
quaisquer perdas ou danos causados por esse e-mail ou por seus anexos’.*



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