From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: None (no SPF record) identity=mailfrom; client-ip=203.199.198.232; helo=imsva.in.megatrends.com; envelope-from=karunakarp@amiindia.co.in; receiver=edk2-devel@lists.01.org Received: from IMSVA.IN.MEGATRENDS.COM (Webmail.amiindia.co.in [203.199.198.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id A658C2095E509 for ; Sun, 24 Sep 2017 23:59:06 -0700 (PDT) Received: from IMSVA.IN.MEGATRENDS.COM (IMSVA.IN.MEGATRENDS.COM [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7085082047; Mon, 25 Sep 2017 12:34:59 +0530 (IST) Received: from IMSVA.IN.MEGATRENDS.COM (IMSVA.IN.MEGATRENDS.COM [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5A02682046; Mon, 25 Sep 2017 12:34:59 +0530 (IST) Received: from webmail.amiindia.co.in (venus2.in.megatrends.com [10.0.0.7]) by IMSVA.IN.MEGATRENDS.COM (Postfix) with ESMTPS; Mon, 25 Sep 2017 12:34:59 +0530 (IST) Received: from VENUS1.in.megatrends.com ([fe80::951:7975:6ecf:eae5]) by Venus2.in.megatrends.com ([fe80::2002:4a07:4f17:c09b%14]) with mapi id 14.03.0248.002; Mon, 25 Sep 2017 12:32:13 +0530 From: Karunakar P To: "'edk2-devel@lists.01.org'" CC: "'Wu, Jiaxin'" , "'Fu, Siyuan'" , "Ye, Ting" Thread-Topic: Re: Linux CentOS 7.3 can get DHCP IPv4 IP address with configuring DHCP server as per RFC3021 Thread-Index: AdM1yawo0+R1yhiITlaLRJLRbEJqXQ== Date: Mon, 25 Sep 2017 07:02:13 +0000 Message-ID: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.0.84.128] MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.1.0.1600-8.1.0.1062-23350.005 X-TM-AS-Result: No--11.431-5.0-31-10 X-imss-scan-details: No--11.431-5.0-31-10 X-TMASE-Version: IMSVA-9.1.0.1600-8.1.1062-23350.005 X-TMASE-Result: 10--11.431000-10.000000 X-TMASE-MatchedRID: gzVbiXtWD9s6yy6RAAEPc5VIEKhlTKpsECb2PF/ysZvC9DxHKrnk8j6Z ku4ewpw6wQ8VE6lt9bsI+Pg1wHmcGwuPQWVQr+owxZQoGMRGhhOGm/9Tv2/OgQqiCYa6w8tv+sZ Iy0RVhj1hMCLqCj6m1NN2QZGIqLOv9mia1kFQhdC8coKUcaOOvZ6KYa03LCO2dDwP5ItpCOwcSR F9JP5Ozi4jb1n1eNA354mbosKUuYfCKxdd3mKUa4oLoibgjVEX+Gz435tISEHimKcLRvsB1fBYR o06eVj38vzD3/0Zl0qFbYEMj70WzDScgMqgJnG/e5NWR5iixe25pw2tsxj4tLXvDHySC+eUTxE5 RpfriHSQhHmNCS57VOXbZzu8Xg2bfbBn31Ku2wzLtNJZxvPj1jGaUEu3RNHWgnL+Z5JyhjWFAf5 iylR8Wnb4Bm7FqQnLXHn0K2CbIexZxuGjBHE90yVaGmu3j1AxpwnFZnn+VHwaK6XhXABo9+RqQA xbWD9+4vM1YF6AJbZO+3uGNcav99xWF9NJ0ly4sjvNV98mpPNIlu4ugFUklEc/V6Q1EU1mjxmAu UKiWF6iGyjfOmSMqwajVS+TNvQhBO6KviVxSCzG7Rpzf+GrRp8wn9+SVEw89egWtTGffCE= X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0,39:0-0 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 Subject: Re: Linux CentOS 7.3 can get DHCP IPv4 IP address with configuring DHCP server as per RFC3021 X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Sep 2017 06:59:07 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello All, It is known that current EDKII doesn't support RFC3021, We could see the fo= llowing behavior which is PXE boot fails whereas Cent OS can get IP address= from the same BIOS. [Configuration Used] DHCP server setting under Ubuntu: 1. /etc/dhcp/dhcpd.conf # RFC3021-Using 31-bit perfixes on IPv4 Point-to-Point Links subnet 192.168.1.0 netmask 255.255.255.254 { range 192.168.1.1 192.168.1.1; next-server 192.168.1.0; filename "EFI/BOOT/BOOTAA64.EFI"; option subnet-mask 255.255.255.254; option routers 192.168.1.0; } 2. /etc/network/interfaces auto eth0 iface eth0 inet static address 192.168.1.0 netmask 255.255.255.254 network 192.168.1.0 If the DHCP server and network interface are set up above configuration. Be= low are my test results and questions 1. CentOS 7.3 (pre-installed) was able to retrieve IP through DHCP w= hen they connect HDD to the SUT where PXE is failing. 2. Could you please suggest what could be the reason behind this? Thanks, karunakar