From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (NAM12-MW2-obe.outbound.protection.outlook.com [40.107.244.40]) by mx.groups.io with SMTP id smtpd.web10.94291.1679631736615241110 for ; Thu, 23 Mar 2023 21:22:19 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ami.com header.s=selector1 header.b=V3ZHzpri; spf=pass (domain: ami.com, ip: 40.107.244.40, mailfrom: sivaramann@ami.com) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=W+6YRmfeC/3eUhWynAmoY7FqV1xaFH8Oael0WOdVhlJEhi6SZHUGJKojXtAb3Qk+czV3KOACWEk3dmlmiXjS7YzPQv0TQkuUMQsUqdYEey1xhX6XEsR1tDAtRLMLGv0cF5pzWt3kgR43xINtrOXHQTb3yx/ESa0F82TY9SO7W8cdyyoyhkPTwR/xQtRHnyve4HY3gMXu5Q8uczv2G39ZgM2Yah3tAFLhF2+wqtRKTfUhoDsMGjF4ShqZELVpNexiudSXGu/P8hKY0jTYNXCW1jYuNdSqGD6WKEBXG1BnBqPm1fr7JPWAY+5rRFK2Mb7O6BF/RxFHqgpQFf/yUmknfg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Th5UpXO/20zvJc1WjwvFfLQtvrNexHjW/N6aoeJ4yrI=; b=H0RERhM77VQTQXMpmrzEJVmVZMgKesN0vubp4blwNgVRN81jR2YHCybSMFRT3Af/kgHB98PDLSWvq6M2Zymi0T67qyOTLBWZyfil8FNYWZeCfi+RC7ZZwEwXl6VReEiQUcIvjXaBulYy2OX1cfa5Kxe8d++hPDaateiU1b7dVvq6473+q4t+TdFZtRn8rBI+jenN1YwCTFUbIQBNmah020omtYXtrfRGbjzyLeeldaEhUT7bcHEoDaL5anCFb2giYiN3L50mh+rXWCp2OonAwI4UpdsiCsZnRiwM+WNc8PSNxOywy4MZqOPXCiAXq/xFMUj8ZSOmBmCPU+QaBBZ5cQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=ami.com; dmarc=pass action=none header.from=ami.com; dkim=pass header.d=ami.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ami.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Th5UpXO/20zvJc1WjwvFfLQtvrNexHjW/N6aoeJ4yrI=; b=V3ZHzprirf05RrCO9AbGYK4xej4u523DoE/s3QpDwBmemb5vcStWD9ojqb9DHIM+V5bLU8DZcyurDEprOgNZWbwvvXesbzjTJJKuyyZr4+FJ7rGbqA2aO83tC14ewFrYL73o/8j9RrVsSEuJYhrTq6Kb9Nr2M1pHcjJJvupDKxs= Received: from BN0PR10MB4981.namprd10.prod.outlook.com (2603:10b6:408:12d::16) by IA0PR10MB7255.namprd10.prod.outlook.com (2603:10b6:208:40c::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6178.38; Fri, 24 Mar 2023 04:22:12 +0000 Received: from BN0PR10MB4981.namprd10.prod.outlook.com ([fe80::35cc:721a:84bb:ea22]) by BN0PR10MB4981.namprd10.prod.outlook.com ([fe80::35cc:721a:84bb:ea22%5]) with mapi id 15.20.6178.038; Fri, 24 Mar 2023 04:22:12 +0000 From: "Sivaraman Nainar" To: "devel@edk2.groups.io" , Maciej Rabeda , "Rabeda, Maciej" , Santhosh Kumar V , Raj V Akilan Subject: reg: MAC address could not change on pre-boot environment and failed to PXE boot. Thread-Topic: reg: MAC address could not change on pre-boot environment and failed to PXE boot. 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boundary="_000_BN0PR10MB498158787CE78C22EA95CD86C2849BN0PR10MB4981namp_" --_000_BN0PR10MB498158787CE78C22EA95CD86C2849BN0PR10MB4981namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello : We are writing a application to program the MAC from UEFI shell and with th= e updated MAC address trying to do the PXE Boot which failed. The application uses the Simple Network Protocols StationAddress() to updat= e the MAC. After update the Current Address in the Mode of SimpleNetwork In= terface updated to new MAC address. If we performed IfConfigl -l command th= e updated MAC not showing. Also in this environment PXE boot also got faile= d. To bind the updated MAC, tried giving "reconnect -r" from UEFI shell after = running test application and performed PXE boot. With On board Network cont= roller (Intel I219), the MAC address updated in Snp->Mode->CurrentAddress i= s reverted back to older MAC address. If reconnect not performed, the MAC = Address changing but PXE Failed to boot. Can someone comment if the method to update the MAC is correct or we missin= g something. Thanks Siva -The information contained in this message may be confidential and propriet= ary to American Megatrends (AMI). This communication is intended to be read= only by the individual or entity to whom it is addressed or by their desig= nee. If the reader of this message is not the intended recipient, you are o= n notice that any distribution of this message, in any form, is strictly pr= ohibited. Please promptly notify the sender by reply e-mail or by telephone= at 770-246-8600, and then delete or destroy all copies of the transmission= . --_000_BN0PR10MB498158787CE78C22EA95CD86C2849BN0PR10MB4981namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hello :

 

We are writing a application to program the MAC from= UEFI shell and with the updated MAC address trying to do the PXE Boot whic= h failed.

 

The application uses the Simple Network Protocols St= ationAddress() to update the MAC. After update the Current Address in the M= ode of SimpleNetwork Interface updated to new MAC address. If we performed = IfConfigl -l command the updated MAC not showing. Also in this environment PXE boot also got failed.

 

To bind the updated M= AC, tried giving "reconnect -r" from UEFI shell after running tes= t application and performed PXE boot. With On board Network controller (Intel I219), the MAC address updated in Snp->Mode->Curre= ntAddress is reverted back to older MAC address.  If reconnect not per= formed, the MAC Address changing but PXE Failed to boot.<= /p>

 

Can someone comment i= f the method to update the MAC is correct or we missing something.

 

Thanks

Siva

-The information contained in this message may be confidential and propriet= ary to American Megatrends (AMI). This communication is intended to be read= only by the individual or entity to whom it is addressed or by their desig= nee. If the reader of this message is not the intended recipient, you are on notice that any distribution of = this message, in any form, is strictly prohibited. Please promptly notify t= he sender by reply e-mail or by telephone at 770-246-8600, and then delete = or destroy all copies of the transmission. --_000_BN0PR10MB498158787CE78C22EA95CD86C2849BN0PR10MB4981namp_--