[dpdk-users] Intel X710 dropping 802.1ad packets

Sean Hope (shope) shope at cisco.com
Mon Aug 22 19:29:28 CEST 2016

Thank you, that patch appears to work.


From: "Xing, Beilei" <beilei.xing at intel.com<mailto:beilei.xing at intel.com>>
Date: Tuesday, August 16, 2016 at 11:25 PM
To: Sean Hope <shope at cisco.com<mailto:shope at cisco.com>>
Cc: "users at dpdk.org<mailto:users at dpdk.org>" <users at dpdk.org<mailto:users at dpdk.org>>
Subject: Re: [dpdk-users] Intel X710 dropping 802.1ad packets


> -----Original Message-----

> From: users [mailto:users-bounces at dpdk.org] On Behalf Of Sean Hope

> (shope) <shope at cisco.com<mailto:shope at cisco.com>>

> Sent: Wednesday, July 13, 2016 8:15 PM

> To: users at dpdk.org<mailto:users at dpdk.org>

> Subject: [dpdk-users] Intel X710 dropping 802.1ad packets?


> Hello,


> I am seeing a problem with receiving 802.1ad packets on an intel

> X710 card, running the 16.04 dpdk release. All the 802.1ad packets

> are silently dropped. The port is in promiscuous mode. As far as

> counters go, ibytes are incremented for these packets, but not

> ipackets. Some of the extended stats are incremented as well (the

> histogram sizes,

> etc.)


> Has anyone else seen this?

You can try following patch to solve the problem.

Use testpmd cmdline “vlan set outer tpid value port_id” to set the value you want to see, 0x88A8 or 0x8100.

Best Regards,
Beilei Xing

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