OK, I see. My program uses RSS. Is it related to my problem? If the testpmd application does not work, the switch configuration might be wrong. Am I right?
Thank you for your answer. Regards, Daeyoung 2015-06-29 11:28 GMT-04:00 Keunhong Lee <dlrmsghd at gmail.com>: > Actually I have no idea why this happens. > If your switch configuration is correct, your program should work just > like Wireshark does. > I wander whether your program uses RSS. > In my opinion, program bug is the most probable reason. > > Keunhong. > > > 2015-06-29 23:32 GMT+09:00 Daeyoung Kim <kdy1029 at gmail.com>: > >> Hi Keunhong, >> >> Thank you for your help. Here is the network topology. >> >> DNS Client - Switch 1 - Switch 2 - Switch 3 - DNS Server >> | | >> port 0 port 1 >> >> DPDK port 0 receives packets using from the Switch 1 port mirroring and >> port 1 receives packets from the Switch 2 using port mirroring as well. As >> I already said, when I send DNS packets, the wireshark simultaneously gets >> all the packets on two ports. I'm sorry what I told you is incorrect. Using >> my program with promiscuous mode, the port 0 receives only DNS queries from >> the DNS client, but the port 1 receives only DNS replies from the DNS >> server. I'd like to know why it happens. >> >> Thank you very much! >> >> Regards, >> Daeyoung >> >> 2015-06-28 20:22 GMT-04:00 Keunhong Lee <dlrmsghd at gmail.com>: >> >>> 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 >>>> >>> >>> >> >
