From owner-freebsd-questions@FreeBSD.ORG Fri Jul 19 10:02:28 2013 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id DAD753E0; Fri, 19 Jul 2013 10:02:28 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: from mail-wg0-x22b.google.com (mail-wg0-x22b.google.com [IPv6:2a00:1450:400c:c00::22b]) by mx1.freebsd.org (Postfix) with ESMTP id 4FDF2DE4; Fri, 19 Jul 2013 10:02:28 +0000 (UTC) Received: by mail-wg0-f43.google.com with SMTP id z11so3838492wgg.22 for ; Fri, 19 Jul 2013 03:02:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=8ybb0axaNvUFBE3uYcyGFtFd0LXXMpCGHQl4gmsTKPU=; b=JuBG9LNHoIE8D1wWPPKvrRIT6bgtXAgvKUuP9BpSfkCHciYHdfxftbVmdPy/XufBjO uMl2ql0acE8cEQSJ2j+393rEypMEuXLGVoLxueJ14SYnQAzuzmqsl6ukD6EmKzA5oeYk qzOzCUyNhwP9vtJjyiB4fP6tvyw7EQlPMJKDPr/hYPXSIvCiStV+EtZIUUmgDduSDPoA 9b7EhY+VbZa/r4Us4wiSzzZXeWCtEItUHLp17rtsQVLN85NkeqVQOLx7GA3XZqQztjd7 Ab4kXYpKT4Wm0YP/kQsHUM7hH9I9E5z1xNkFWKbgqg3NJUbFz/lT/GMpye17d857glqh g+/w== MIME-Version: 1.0 X-Received: by 10.180.11.146 with SMTP id q18mr10906537wib.50.1374228147406; Fri, 19 Jul 2013 03:02:27 -0700 (PDT) Received: by 10.216.68.137 with HTTP; Fri, 19 Jul 2013 03:02:27 -0700 (PDT) In-Reply-To: References: Date: Fri, 19 Jul 2013 11:02:27 +0100 Message-ID: Subject: Re: Same MAC address in 2 different VLANs From: krad To: Olivier Nicole Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: freebsd-net@freebsd.org, questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jul 2013 10:02:28 -0000 I think you maybe ok. Ive just looked at my esx config and the esx management interfaces use their own generated macs, not the physical interfaces ones. All the vms obviously use generated macs as well. However I only looked over it at a superficial level. Have you considered using a tap or spare phyical interface on your flex box and not linking it to the network? On 19 July 2013 10:29, Olivier Nicole wrote: > Hello, > > Could any one comment about the use of the same MAC address in 2 > separate VLANs? > > All my machines are connected to 2 VLANs (one public and one private) > with no routing in between the VLANs. > > I used to run a FLEX license manager to a physical machine. When I > virtualized that service, I had to use the MAC address of that physical > machine for the virtual machine (FLEX is linked to the MAc address and I > coul dnot issue new license as licensed the pproduct is not supported > anymore). The virtual NIC that has the old MAC address is connected to > the public VLAN. > > Now I want to reuse the physical machine as a VMware server. Dell nor > VMware offer a solution to change the MAC address (like > ifconfig em0 link xx:xx:xx:xx:xx:xx would do). So I plan to connect the > NIC with the incriminated MAC to the private VLAN. > > Most (if not all) my servers are FreeBSD. Most will access the virtual > machine running FLEX and may access the VMware server also. The servers > are not VLAN aware. > > Will this be an issue? > > Best regars, > > Olivier > > -- > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" >