Change router mac address cisco

This prevents us from moving R1 to another interface on SW1 unless we change the static entry. Like I mentioned before we can also change a static entry so it will drop all traffic.

Clear arp table cisco

I tried to replicate what you describe here on a Cisco production switch. This will give you a list of MAC addresses associated with that port. If you only have one device on this port, only one MAC address will show up. These computers will have a MAC address, it comes with their network cards.

  • Assign static MAC address.
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Cisco switches are designed to have a se. Ask a question or join the discussion by visiting our Community Forum. If you like to keep on reading, Become a Member Now! I want to ping that device. How do I do that? I use the ARP process.

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But we have an intervening network device here. The Layer 2 switch passively learns MAC addresses by listening.

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  4. It will have learned the MAC addresses of these two endpoints. If by some chance both of these machines claim to have duplicate MAC addresses, the switch will not know what to do with that traffic. In fact, if I added a router to this picture.

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    How far reaching is the MAC address? You can not post a blank message. Please type your message and try again. Hi How can I change the mac-address of a switch port? Also is there any way to change the mac-address in packet tracer? This content has been marked as final.

    Cisco administration 101: Understanding Ethernet MAC addresses

    Show 12 replies. Regards, Aref. Hi Csco Switch's mac-address can be changed by mac address command as far as I know ,but maybe packet tracer dont support it. Best of Luck.

    Thank you anyway man. Hi all, Samir is right there is no answer to this question in the internet. Thats it! Ri0N wrote Hi Rion, If we can change the mac-address then that will be sufficient to see the effects of Spanning Tree Protocol,isn't it? With Regards.