[dpdk-dev] Receiving packets on only one port

Keunhong Lee dlrmsghd at gmail.com
Mon Jun 29 02:22:08 CEST 2015


I don't know your situation exactly, but here are possible problems.

1. Your switch learned MAC addresses of two ports.
2. Your program bug.
3. l3fwd itself contains some bug.
4. You did not set all ports in promiscuous mode.

You'd better try 'pktgen' application to test your environment.

Keunhong.



2015-06-27 0:45 GMT+09:00 Daeyoung Kim <kdy1029 at gmail.com>:

> Hello,
>
> I'm writing a packet capture program from the l3fwd. When I send DNS
> packets, the wireshark simultaneously gets all the packets on two ports.
> However, using my program with promiscuous mode, one port receives all the
> packets, but the other port gets nothing. Do you know why it happens? Could
> it be network topology problem using DPDK, a DPDK design like forwarding
> mechanism, or just my program bugs? Any comments would be appreciated.
>
> Thanks,
> Daeyoung
>


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