[dpdk-users] generate ipv6 packets with pktgen

Wiles, Keith keith.wiles at intel.com
Sat Jun 16 15:24:55 CEST 2018



> On Jun 15, 2018, at 6:52 PM, Stefano Salsano <stefano.salsano at uniroma2.it> wrote:
> 
> Hi all,
> 
> I need to generate IPv6 packets with pktgen, but I am NOT able to set the IPv6 src and dst address
> 
> when I only change the packet type of port 0 to IPv6
> 
> Pktgen:/> set 0 type ipv6
> Pktgen:/> start 0
> 
> pktgen sends IPv6 packets with meaningless IPv6 addresses
> here is the tcpdump output:
> 18:23:37.777126 IP6 ::101:a8c0:0:0.0 > ::101:a8c0:0:0.0: Flags [.], ack 1, win 8192, length 0
> 
> but if I try to set the src and dst addresses:
> 
> Pktgen:/> set 0 dst ip 2000::1
> Pktgen:/> set 0 src ip 2000::2/64
> 
> the IP (v4) addresses in the main page display are zeroed:
> Dst  IP Address   :             0.0.0.0
> Src  IP Address   :             0.0.0.0
> 
> and when I ask to generate packets
> Pktgen:/> start 0
> 
> pktgen sends IPv6 packets with "zeroed" addresses
> 18:48:42.475672 IP6 ::.0 > ::.0: Flags [.], ack 1, win 8192, length 0
> 
> is it possible to set the IPv6 addresses?

The IPv6 address is suppose to be constructed using the IPv4 address, but I guess I did not get that right. I will have to look into the problem unless you would like to fix the problem as I can take patches.

> 
> thank you
> Stefano
> 
> -- 
> *******************************************************************
> Stefano Salsano
> Professore Associato
> Dipartimento Ingegneria Elettronica
> Universita' di Roma Tor Vergata
> Viale Politecnico, 1 - 00133 Roma - ITALY
> 
> http://netgroup.uniroma2.it/Stefano_Salsano/
> 
> E-mail  : stefano.salsano at uniroma2.it
> Cell.   : +39 320 4307310
> Office  : (Tel.) +39 06 72597770 (Fax.) +39 06 72597435
> *******************************************************************
> 

Regards,
Keith



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