Hi Alp Arslan, Since tap_cli code is going to be deprecated in favour of tapv2. I suggest you leverage tapv2, and also need some rework for PPPoE plugin.
Thanks, Hongjun -----Original Message----- From: vpp-dev@lists.fd.io [mailto:vpp-dev@lists.fd.io] On Behalf Of alp.ars...@xflowresearch.com Sent: Tuesday, October 23, 2018 3:08 PM To: vpp-dev@lists.fd.io Subject: [vpp-dev] PPPoE plugin documentation/support Dear All, I am trying to evaluate the support of pppoe in vpp. However, I am facing some issues, here is my startup conf file. unix { nodaemon log /var/log/vpp/vpp.log full-coredump cli-listen /run/vpp/cli.sock gid vpp } api-trace { on } api-segment { gid vpp } socksvr { default } cpu { main-core 1 corelist-workers 2,4,3,5 } dpdk { dev 0000:05:00.1 uio-driver vfio-pci socket-mem 2048,2048 } plugins { plugin default { enable} } tuntap { enable ethernet name newtap } After that I run the following commands: vpp# set interface state TenGigabitEthernet5/0/1 up vpp# set interface state local0 up Now at this point if I try to connect from the pppoe client, I can see three PADI request reaching VPP, and VPP trying to forward them at local0 interface. To forward this traffic to the tap port instead, I use this command. vpp# create pppoe cp cp-if-index 2 The help and the documentation for this command show this "create pppoe cp if-name <intfc> [del]", which doesn't work. Now at this moment, I was expecting the VPP to forward the PADI request to tuntap-0 interface, but I don't see anything in the VPP counters, nor by using tcpdump on interface "newtap" which is the kernel facing side of "tuntap-0" interface. My question is, Is my approach correct? Are the PADI requests forwarded to the tuntap-0 interface? If not where do they go? I cannot find any good documentation on this anywhere. Any help regarding this would be highly appreciated. Regards, Alp Arslan
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