From owner-freebsd-net@freebsd.org Sun Feb 12 15:28:39 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A9902CDB04A for ; Sun, 12 Feb 2017 15:28:39 +0000 (UTC) (envelope-from marlon@leerkotte.net) Received: from smtpq6.tb.mail.iss.as9143.net (smtpq6.tb.mail.iss.as9143.net [212.54.42.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 41374112A for ; Sun, 12 Feb 2017 15:28:38 +0000 (UTC) (envelope-from marlon@leerkotte.net) Received: from [212.54.42.133] (helo=smtp9.tb.mail.iss.as9143.net) by smtpq6.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1ccvna-0001Cx-HM for freebsd-net@freebsd.org; Sun, 12 Feb 2017 16:10:46 +0100 Received: from 524bb5cc.cm-4-4c.dynamic.ziggo.nl ([82.75.181.204] helo=mail1.prd.chs.leerkotte.eu) by smtp9.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1ccvna-0001Hi-CW for freebsd-net@freebsd.org; Sun, 12 Feb 2017 16:10:46 +0100 Received: from mail1.prd.chs.leerkotte.eu (unknown [192.168.25.13]) by mail1.prd.chs.leerkotte.eu (Postfix) with ESMTP id 9F21018494 for ; Sun, 12 Feb 2017 16:06:31 +0100 (CET) X-Virus-Scanned: amavisd-new at mail1.prd.chs.leerkotte.eu Received: from mail1.prd.chs.leerkotte.eu ([192.168.25.13]) by mail1.prd.chs.leerkotte.eu (mail1.prd.chs.leerkotte.eu [192.168.25.13]) (amavisd-new, port 10026) with ESMTP id xWYfbbJtsdMU for ; Sun, 12 Feb 2017 16:06:16 +0100 (CET) Received: from [192.168.15.4] (unknown [192.168.25.1]) by mail1.prd.chs.leerkotte.eu (Postfix) with ESMTPSA id 507FB1844A for ; Sun, 12 Feb 2017 16:06:16 +0100 (CET) From: Marlon Leerkotte Content-Type: multipart/signed; boundary="Apple-Mail=_7E006F21-DE41-4510-B130-8D42DEE5F776"; protocol="application/pkcs7-signature"; micalg=sha1 Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: VNET/epair double MAC address Message-Id: <4DA494ED-4268-4175-A90A-485F5411F581@leerkotte.net> Date: Sun, 12 Feb 2017 16:10:29 +0100 To: freebsd-net@freebsd.org X-Mailer: Apple Mail (2.3259) X-SourceIP: 82.75.181.204 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.2 cv=BuDt+cf5 c=1 sm=1 tr=0 a=VTE9ROBCqOTTQ6mp+QMKWQ==:17 a=n2v9WMKugxEA:10 a=KFrwfdwUAAAA:8 a=jU4qhlNgAAAA:8 a=rHPtwsbYujScA_xd2NsA:9 a=P13AkaGdf88URO5I:21 a=FqNpVFLESokvYSZ7:21 a=QEXdDO2ut3YA:10 a=uJKYerdC5U4A:10 a=pbc5cjdi493NrWEyVAEA:9 a=lI7FPseeUAW-PdoU:21 a=hvBiLtCZm_tGzmQF:21 a=LDfF46pGfIMSBtxA:21 a=_W_S_7VecoQA:10 a=HcRWRr9DcpmgsNamKLEA:9 a=usxJaLfvhCgA:10 a=tclcd6dtLQvEqt9_mmAA:9 a=CjuIK1q_8ugA:10 a=ynVhBjlY-JKCjlMmZoAA:9 a=RJv5WsVTvzoA:10 a=7awwJrVBp-Xw9p3fcJcA:9 a=ZVk8-NSrHBgA:10 a=XVXkndj2wIAA:10 a=oPO7haYCUhow2pK27QpY:22 a=Yzj368saxjB-0pgflKQk:22 none X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Feb 2017 15:28:39 -0000 --Apple-Mail=_7E006F21-DE41-4510-B130-8D42DEE5F776 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi everyone, I have been using jails with VNET since about 10.1 or 10 and have so far = not encountered any huge problems except for accidentally giving two = jails the same epair which broke my stack. But today I did encounter a = problem. The problem i encountered was where one of my jails would lose all = connectivity when starting another jail, after some investigation it = turned out that both jails had the same MAC address. I=E2=80=99m not = aware of how these MAC addresses are generated but this seems to be a = bug, as I=E2=80=99m not manually assigning MAC address. In the attachments you will find my jail.conf and the ifconfig output of = both jails. I hope someone can help me with this and/or give me some insight as to = how the addresses are generated. Regards, Marlon Leerkotte M.R. Leerkotte Mail: marlon@leerkotte.net LinkedIn: www.linkedin.com/in/MarlonLeerkotte = --Apple-Mail=_7E006F21-DE41-4510-B130-8D42DEE5F776 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJ9jCCBK8w ggOXoAMCAQICEQDgI8sVEoNTia1hbnpUZ2shMA0GCSqGSIb3DQEBCwUAMG8xCzAJBgNVBAYTAlNF MRQwEgYDVQQKEwtBZGRUcnVzdCBBQjEmMCQGA1UECxMdQWRkVHJ1c3QgRXh0ZXJuYWwgVFRQIE5l dHdvcmsxIjAgBgNVBAMTGUFkZFRydXN0IEV4dGVybmFsIENBIFJvb3QwHhcNMTQxMjIyMDAwMDAw WhcNMjAwNTMwMTA0ODM4WjCBmzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hl c3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxQTA/BgNV BAMTOENPTU9ETyBTSEEtMjU2IENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWls IENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAibEN2npTGU5wUh28VqYGJre4SeCW 51Gr8fBaE0kVo7SMG2C8elFCp3mMpCLfF2FOkdV2IwoU00oCf7YdCYBupQQ92bq7Fv6hh6kuQ1JD 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