From owner-freebsd-questions@FreeBSD.ORG Thu Jul 25 06:54:53 2013 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 745D6A3F; Thu, 25 Jul 2013 06:54:53 +0000 (UTC) (envelope-from olivier2553@gmail.com) Received: from mail-qa0-x234.google.com (mail-qa0-x234.google.com [IPv6:2607:f8b0:400d:c00::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 250002089; Thu, 25 Jul 2013 06:54:52 +0000 (UTC) Received: by mail-qa0-f52.google.com with SMTP id bq6so402944qab.4 for ; Wed, 24 Jul 2013 23:54:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=SjqXS2Gtw7bYQGdJbeN3Hasiff+i2FlD5UbF48XuSGk=; b=J5dyCOfoh4mGtgAK1A8rA1A2sxjH2gqWl0CoNvrn+4AV2wCdWKbrhaJnBTGMeuSU9M TX7PY4YYZHPvZ+Zq1lY9RVxte7Np9gza27VEJnZUCiyHFFlYlhBNVEboN2iYykzHPsYn 8HB16+Lp1BT0WiA1+30AKxNoflYXHX7t1XAa0HITbG6mqR1JWyK2dZ++FFfWMR2uuzKy 5vG/MXU3u1N4KZ5QUrgVTtxBa3ofQp52oTIgq7YncdnN+Gs8prwKUo5jxJZyiiryUnee 6J5JrkFKdw0MbQn/wTGedi8+XovI2M9cTvl9Rc5jlUkXTXGheHFwo7NMkwZ763v+TZCX mjhA== MIME-Version: 1.0 X-Received: by 10.49.132.41 with SMTP id or9mr47224974qeb.18.1374735292256; Wed, 24 Jul 2013 23:54:52 -0700 (PDT) Sender: olivier2553@gmail.com Received: by 10.49.0.235 with HTTP; Wed, 24 Jul 2013 23:54:52 -0700 (PDT) In-Reply-To: References: Date: Thu, 25 Jul 2013 13:54:52 +0700 X-Google-Sender-Auth: 4W3gw6_RjX5QntGRsHoivPCv5sc Message-ID: Subject: Re: Same MAC address in 2 different VLANs From: Olivier Nicole To: krad Content-Type: text/plain; charset=ISO-8859-1 Cc: Olivier Nicole , freebsd-net@freebsd.org, "freebsd-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: Thu, 25 Jul 2013 06:54:53 -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? Thank you, that was a brilliant idea: Flex only needs that one interface, with the specific MAC, exists on the host, it does not specifically try to use that interface for managing licenses, so a tap hanging to nowhere is the solution. Best regards, Olivier > > > 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" >> > _______________________________________________ > 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"