[dpdk-users] OVS-DPDK - packets received at dpdk interface but not forwarded to VXLAN port
Avi Cohen (A)
avi.cohen at huawei.com
Tue Jun 6 13:09:49 CEST 2017
When I work with native OVS (no DPDK) - the traffic is OK.
I see that with native OVS - I have NO VLAN in the outer Ethernet header .
in OVS-DPDK - for some reason - I do have VLAN 2047 - see below ###
> -----Original Message-----
> From: Avi Cohen (A)
> Sent: Tuesday, 06 June, 2017 1:58 PM
> To: 'dpdk-ovs at lists.01.org'; 'users at dpdk.org'
> Subject: OVS-DPDK - packets received at dpdk interface but not forwarded to
> VXLAN port
>
> Hello All (I resend because the prev msg was sent as html)
>
> I have 2 OVS-DPDK installed - with the following below symmetric
> configuration: see ***
>
> When I send ping from a namespace (connected to the ovs-dpdk) - I see that
> the packet is received at the peer via the dpdk interface - BUT not sent to the
> vxlan port
>
> See ### the tcpdump of the packet (captured at the br-phy in the peer) - the
> packet looks OK but not sent to vxlan port for decap.
>
> [note that in the TX direction - the behavior is OK - packet sent from
> namespace to veth0 then to vxlan encap, then to dpdk interface --> eventually
> the packet is received at the dpdk peer interface]
>
> Can someone see any problem with my configuration ?
>
> Best Regards
> avi
>
> ***
> utilities/ovs-vsctl show
> 8cdae740-9eb3-4b79-ad6f-bca0652c5d54
> Bridge br-int
> fail_mode: standalone
> Port "vxlan0"
> Interface "vxlan0"
> type: vxlan
> options: {remote_ip="172.31.100.80"} // the peer has other
> ip
> Port "veth0"
> Interface "veth0"
> Port br-int
> Interface br-int
> type: internal
> Bridge br-phy
> fail_mode: standalone
> Port "dpdk0"
> Interface "dpdk0"
> type: dpdk
> options: {dpdk-devargs="0000:00:03.0"}
> Port br-phy
> Interface br-phy
> type: internal
>
> ###
> 10:27:15.201711 02:d7:d1:26:84:e5 (oui Unknown) > 02:fb:9e:ce:f2:0d (oui
> Unknown), ethertype 802.1Q (0x8100), length 152: vlan 2047, p 0, ethertype
> IPv4, ip-172-31-100-80.eu-central-1.compute.internal.58740 > ip-172-31-100-
> 44.eu-central-1.compute.internal.4789: VXLAN, flags [I] (0x08), vni 0
> 7a:fd:3c:4c:ee:d3 (oui Unknown) > d2:ea:96:e1:ef:d2 (oui Unknown), ethertype
> IPv4 (0x0800), length 98: 1.1.1.20 > 1.1.1.10: ICMP echo request, id 2235, seq
> 1176, length 64
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