Date: Fri, 19 Jul 2013 12:39:06 +0200 From: joost@jodocus.org To: questions@freebsd.org, freebsd-net@freebsd.org Cc: Olivier Nicole <Olivier.Nicole@cs.ait.ac.th> Subject: Re: Same MAC address in 2 different VLANs Message-ID: <a3b86d2780d14439eb2fd1b42b27b091.squirrel@jodocus.org> In-Reply-To: <u9txjqdhix.fsf@banyan.cs.ait.ac.th> References: <u9txjqdhix.fsf@banyan.cs.ait.ac.th>
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> Hello, > > Could any one comment about the use of the same MAC address in 2 > separate VLANs? > [...] > > Will this be an issue? > You might run into problems if the two (virtual) systems are attached to a different port on your switch. Some switches don't take the vlan into account when learning on which port a mac address exists. These switches will see the mac address jumping between ports all the time. Joost.
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