[dpdk-users] How to test l3fwd?

Charlie Li charlie.li at gmail.com
Sat Jul 23 03:18:17 CEST 2016


Never mind - I figured it out.

On Wed, Jul 20, 2016 at 3:06 PM, Charlie Li <charlie.li at gmail.com> wrote:

> I am also attaching the full logs from l3fwd and l2fwd.
>
> On Wed, Jul 20, 2016 at 3:02 PM, Charlie Li <charlie.li at gmail.com> wrote:
>
>> Hello,
>>
>> My setup is dpdk-2.2.0 on Fedora 23 Server with kernel 4.5.7.
>>
>> I have been testing L2 throughput with l2fwd and an Ixia traffic
>> generator. It works as expected.
>>
>> Command: ./l2fwd -c 0xf -n 4 -- -p 0x3
>> Ixia traffic: MAC (Ethernet frames)
>>
>>
>> Now I am moving to test L3 throughput with l3fwd, but cannot start
>> traffic from Ixia
>>
>> Command: ./l3fwd -c 0xf -n 4 -- -p 0x3 --config="(0,0,2)(1,0,3)"
>> Ixia traffic: IPv4 (IP packets)
>>
>> My question is:
>>
>> What are the IP addresses of the two ports?
>>
>> "LPM: Adding route 0x01010100 / 24 (0)
>> LPM: Adding route 0x02010100 / 24 (1)"
>>
>> Does it mean the IP addresses are 1.1.1.0 (netmask 255.255.255.0) for
>> port0 and 2.1.1.0 (netmask 255.255.255.0) for port1?
>>
>> I set up the following two flows, but Ixia complains "unreachable"
>>
>> Flow1: Ixia PortA (1.1.1.100) -> DPDK Port0 (1.1.1.0) .........(l3fwd)
>> ........ DPDK Port1 (2.1.1.0) -> Ixia PortB (2.1.1.100)
>>           Src IP: 1.1.1.100; Dst IP: 2.1.1.100; Gateway: 1.1.1.0
>>
>> Flow2: Ixia PortB (2.1.1.100) -> DPDK Port1 (2.1.1.0) .........(l3fwd)
>> ........ DPDK Port0 (1.1.1.0) -> Ixia PortA (1.1.1.100)
>>           Src IP: 2.1.1.100; Dst IP: 1.1.1.100; Gateway: 2.1.1.0
>>
>> Thanks,
>> Charlie
>>
>>
>


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