Oh, i need to check if the vxlan works correctly indeed...

> So you are also using sr-iov ?

Benoît

> On 17 Mar 2025, at 17:08, Santiago Martinez <s...@codenetworks.net> wrote:
>
> Hi Benoit, one more thing, Im not sure whats the current support for v6, 
> specially for ND.
>
> Best regards.
>
> Santi
>
> On 3/17/25 16:48, Santiago Martinez wrote:
>
>> Hi Benoit,
>>
>> I have a similar setup to yours (not using MLX4), and it works.
>>
>> I have two VMs acting as routers (R-A and R-B), each with two interfaces.
>>
>> On Router-A:
>>
>> - VTNET1 → P2P to Router-B.
>> - VTNET0 → Sub-interface (VLAN 333) - Client-A.
>> - VXLAN0 → Towards Router-B.
>> - BR-TEST → VXLAN0 and VTNET0.333 as members.
>>
>> On Router-B:
>>
>> - VTNET1 → P2P to Router-A.
>> - VTNET0 → Untagged - Client-B.
>> - VXLAN0 → Towards Router-A.
>> - BR-TEST → VXLAN0 and VTNET0 as members.
>>
>> Traffic passes.
>>
>> One thing to note—VXLAN0 will appear as UP/Active even if it’s not reaching 
>> the other side.
>>
>> Best regards,
>> Santi
>>
>> On 3/17/25 15:32, Benoit Chesneau wrote:
>>
>>> Hi all,
>>>
>>> I'm trying to make some kind of cross connect between a vlan and a vxlan, 
>>> but as far as I  understand the mac address are not learnt from the vlan 
>>> When I listen using tcpdump on the vlan i can see the arp request but not 
>>> in the in the vxlan. ANy idea how should I fix this? Is there any other way 
>>> to do a cross conect or shoud I go back to not use sriov when i need to 
>>> build bridges?
>>>
>>> Any idea is welcome.
>>>
>>> Benoit
>>>
>>> More details follow
>>>
>>> The vlan is created over a VF device in  a bhyve vm:
>>>
>>> vlan601: 
>>> flags=1008943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,LOWER_UP> 
>>> metric 0 mtu 1356
>>>         options=18080000<LINKSTATE,TXTLS4,TXTLS6>
>>>         ether 4a:75:f1:f5:a5:0a
>>>         inet6 fe80::4875:f1ff:fef5:a50a%vlan601 prefixlen 64 scopeid 0x5
>>>         groups: vlan
>>>         vlan: 601 vlanproto: 802.1q vlanpcp: 0 parent interface: mce0
>>>         media: Ethernet 25GBase-SR <full-duplex,rxpause,txpause>
>>>         status: active
>>>         nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
>>>
>>> The vxlan is
>>>
>>> vxlan0: flags=1008903<UP,BROADCAST,PROMISC,SIMPLEX,MULTICAST,LOWER_UP> 
>>> metric 0 mtu 1356
>>>         options=80020<JUMBO_MTU,LINKSTATE>
>>>         ether 58:9c:fc:10:12:01
>>>         inet6 fe80::5a9c:fcff:fe10:1201%vxlan0 prefixlen 64 tentative 
>>> scopeid 0x7
>>>         groups: vxlan
>>>         vxlan vni 400 local [2001:db8:1000::1]:4789 remote 
>>> [2001:db8:1000::2]:4789
>>>         media: Ethernet autoselect (autoselect <full-duplex>)
>>>         status: active
>>>         nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
>>>
>>> And the bridge:
>>>
>>> # ifconfig bridge0
>>> bridge0: 
>>> flags=1028943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,PPROMISC,LOWER_UP>
>>>  metric 0 mtu 1356
>>>         options=0
>>>         ether 58:9c:fc:10:ff:d3
>>>         id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
>>>         maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
>>>         root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
>>>         member: vlan601 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
>>>                 ifmaxaddr 0 port 5 priority 128 path cost 800
>>>         member: vxlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
>>>                 ifmaxaddr 0 port 7 priority 128 path cost 55
>>>         groups: bridge
>>>         nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
>>>
>>> The PF on the machine is a Mellanox [ConnectX-4 Lx
>>>
>>> #  pciconf -lvbce mlx5_core0
>>> mlx5_core0@pci0:17:0:0:     class=0x020000 rev=0x00 hdr=0x00 vendor=0x15b3 
>>> device=0x1015 subvendor=0x1590 subdevice=0x00d4
>>>     vendor     = 'Mellanox Technologies'
>>>     device     = 'MT27710 Family [ConnectX-4 Lx]'
>>>     class      = network
>>>     subclass   = ethernet
>>>     bar   [10] = type Prefetchable Memory, range 64, base 0xe4000000, size 
>>> 33554432, enabled
>>>     cap 10[60] = PCI-Express 2 endpoint max data 256(512) FLR RO NS
>>>                  max read 4096
>>>                  link x8(x8) speed 8.0(8.0) ASPM L1(L1)
>>>     cap 03[48] = VPD
>>>     cap 11[9c] = MSI-X supports 64 messages, enabled
>>>                  Table in map 0x10[0x2000], PBA in map 0x10[0x3000]
>>>     cap 09[c0] = vendor (length 24)
>>>     cap 01[40] = powerspec 3  supports D0 D3  current D0
>>>     ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
>>>     ecap 000e[150] = ARI 1
>>>     ecap 0010[180] = SR-IOV 1 IOV enabled, Memory Space enabled, ARI enabled
>>>                      8 VFs configured out of 16 supported
>>>                      First VF RID Offset 0x0002, VF RID Stride 0x0001
>>>                      VF Device ID 0x1016
>>>                      Page Sizes: 4096 (enabled), 8192, 16384, 32768, 65536, 
>>> 131072, 262144, 524288, 1048576, 2097152, 4194304
>>>     iov bar  [1a4] = type Prefetchable Memory, range 64, base 
>>> 0xc7ffe000000, size 1048576, enabled
>>>     ecap 0019[1c0] = PCIe Sec 1 lane errors 0
>>>     ecap 000d[230] = ACS 1 Source Validation unavailable, Translation 
>>> Blocking unavailable
>>>                      P2P Req Redirect unavailable, P2P Cmpl Redirect 
>>> unavailable
>>>                      P2P Upstream Forwarding unavailable, P2P Egress 
>>> Control unavailable
>>>                      P2P Direct Translated unavailable, Enhanced Capability 
>>> unavailable
>>>   PCI-e errors = Correctable Error Detected
>>>                  Unsupported Request Detected
>>>      Corrected = Advisory Non-Fatal Error
>>>
>>> Other side is the same except that the card is an intel one:
>>>
>>> #  pciconf -lvbce ixl0
>>> ixl0@pci0:23:0:0:   class=0x020000 rev=0x02 hdr=0x00 vendor=0x8086 
>>> device=0x1572 subvendor=0x15d9 subdevice=0x093b
>>>     vendor     = 'Intel Corporation'
>>>     device     = 'Ethernet Controller X710 for 10GbE SFP+'
>>>     class      = network
>>>     subclass   = ethernet
>>>     bar   [10] = type Prefetchable Memory, range 64, base 0xc4800000, size 
>>> 8388608, enabled
>>>     bar   [1c] = type Prefetchable Memory, range 64, base 0xc5808000, size 
>>> 32768, enabled
>>>     cap 01[40] = powerspec 3  supports D0 D3  current D0
>>>     cap 05[50] = MSI supports 1 message, 64 bit, vector masks
>>>     cap 11[70] = MSI-X supports 129 messages, enabled
>>>                  Table in map 0x1c[0x0], PBA in map 0x1c[0x1000]
>>>     cap 10[a0] = PCI-Express 2 endpoint max data 256(2048) FLR RO
>>>                  max read 512
>>>                  link x8(x8) speed 8.0(8.0)
>>>     cap 03[e0] = VPD
>>>     ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
>>>     ecap 0003[140] = Serial 1 b8f678ffff55c27c
>>>     ecap 000e[150] = ARI 1
>>>     ecap 0010[160] = SR-IOV 1 IOV enabled, Memory Space enabled, ARI enabled
>>>                      16 VFs configured out of 64 supported
>>>                      First VF RID Offset 0x0010, VF RID Stride 0x0001
>>>                      VF Device ID 0x154c
>>>                      Page Sizes: 4096 (enabled), 8192, 65536, 262144, 
>>> 1048576, 4194304
>>>     iov bar  [184] = type Prefetchable Memory, range 64, base 0xc5000000, 
>>> size 65536, enabled
>>>     iov bar  [190] = type Prefetchable Memory, range 64, base 0xc5100000, 
>>> size 16384, enabled
>>>     ecap 0017[1a0] = TPH Requester 1
>>>     ecap 000d[1b0] = ACS 1 Source Validation unavailable, Translation 
>>> Blocking unavailable
>>>                      P2P Req Redirect unavailable, P2P Cmpl Redirect 
>>> unavailable
>>>                      P2P Upstream Forwarding unavailable, P2P Egress 
>>> Control unavailable
>>>                      P2P Direct Translated unavailable, Enhanced Capability 
>>> unavailable
>>>     ecap 0019[1d0] = PCIe Sec 1 lane errors 0
>>>   PCI-e errors = Correctable Error Detected
>>>                  Unsupported Request Detected
>>>      Corrected = Advisory Non-Fatal Error

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