Ethernet Switches & Routers

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Brocadian
Posts: 2
Registered: ‎11-19-2015

Several MAC addresses on a single port

I have this escenario with 4 swirches on a single stack cofiguration.   

When I type Show MAC un a specfic port, I got several MAC addresses.  but they are  physically 1 computer by port

ARP table is populated dynamically..

I cleared the ARP table  and after around a minute it gets full again.

RSTP is enabled

Contributor
Posts: 23
Registered: ‎06-16-2015

Re: Several MAC addresses on a single port

Have you verified to make sure that this computer is not running any type of virtual machines (VMs) or virtual adapters? If it's running VMs in something like VMware Player or VirtualBox then you will see multiple MACs (assuming the VMs have the adapters in bridge mode).

Jacob Bartlett
http://bartlett.network
https://www.linkedin.com/in/jacobbartlett

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