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I have a packet with a tagged VLAN. I have tried different setups but am still missing something, since I am not receiving the packet that I sent. I do not want the tag to be stripped from the packet. In essence I just want the packet to pass thru without any conditioning being done.
What should the registers be set to. I have tried changing the “showIV and L2TSel and many other registers. Any idea’s ?
Greif
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Hi Greif,
Thank you for posting in Intel Communities.
Kindly check below links if it helps on your issue:
https://www.intel.com/content/www/us/en/support/articles/000005498/ethernet-products.html
https://www.intel.com/content/www/us/en/support/articles/000005677/ethernet-products.html
Please provide us more details if needed as well as any screenshot.
Please let us know if you have any questions.
Regards,
Hayat
Intel Customer Support
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Hayat, thanks for the response
checking on the promiscuous mode that was mentioned.
Can we go a little deeper to the chip level. Dealing with a tagged VLAN on the receive packet.
The E810 Datasheet section 7.12.3.3 states that the tag extraction rules are controlled by the following:
VSI_TSR.STRIPTAG, VSI_TSR.SHOWTAG, and VSI_TSR.SHOWPRIONLY bit fields.
Within Table 7-290 Tag Extraction Example, the document talks about “SHOWIV and L2TSEL”:
We, have SHOWIV and L2TSEL set to a 1, 0 respectfully. Which selects Inner VLAN on L2TAG1.
However, I believe this only pertains to different cases assuming the first tag is an STag and the second tag is a VLAN.
We don’t have a Stag only a typical 802.1 (8100) vlan tag.
If the VSI_TSR.STRIPTAG, VSI_TSR.SHOWTAG, and VSI_TSR.SHOWPRIONLY bit fields control the extraction rules how do you set this for “DO nothing” leave the packet as is.
Greif
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Hi Greif,
Since your questions are out of our support scope.
Kindly post your questions on the link below and our dedicated team will get back to you shortly:
https://community.intel.com/t5/Embedded-Connectivity/bd-p/embedded-networking-connectivity
Thus, we will proceed to close the case. Once the case is closed it will no longer be monitored by Intel. Kindly open a new case if you have further questions.
Thank you.
Regards,
Hayat
Intel Customer Support
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