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#SHOW MAC ADDRESS TABLE EXPLAINED HOW TO#
#SHOW MAC ADDRESS TABLE EXPLAINED UPDATE#
#SHOW MAC ADDRESS TABLE EXPLAINED PC#

4 Steps total Step 1: Open the command promptĬlick the Windows 'Start' button and select 'Run.' In the textbox, type 'cmd' and click the 'Ok' button. Unlike IP address, which keeps changing on connecting to different networks, MAC address is. Media Access Control (MAC) address are unique addresses for each device that can connect to a network.

#SHOW MAC ADDRESS TABLE EXPLAINED HOW TO#

Method 1: How to Find Your MAC Address in Windows 10 with Command Prompt. MAC addresses are used in the local network while IP addresses can be used to identify network devices all around the world. There are several reasons you might want to know the MAC address of a remote computer, and it's easy to do by using a command line utility such as. While the IP address changes over time, the MAC address of a network adapter always stays the same. TCP/IP computer networks use both the IP addresses and MAC addresses of connected client devices. I hope you must be able to find the IP address from the router as the device connected to F0/7 of switch has to comminicate over the router at some point of time.

#SHOW MAC ADDRESS TABLE EXPLAINED PC#

Thus switch learns PC MAC address even before the data traffic flow or PING process.How to find an IP address when you have the MAC address of the device.Īfter taking down the mac address from the local switch using show mac-address-table command, log on to nearby router or 元 switch and issue the show arp to get the IP address. The destination IP address must be a PC2 IP address but here it has PC1 IP address, so it will drop the packet. At layer 3, it will check the destination IP address. Since it’s broadcast MAC address, it will accept and send to Layer 3. PC2 also receives the packet, and it will check the destination MAC address first. MAC Address Table Switch#show mac-address-table Now, if you run the command in Switch, you will see PC1 MAC-address entry in MAC address table.

#SHOW MAC ADDRESS TABLE EXPLAINED UPDATE#

The switch receives the packet, and it will learn the MAC address of the PC1, and it will update in the MAC address table. Since it’s a broadcast frame, it will be flooded to the network.

It immediately generates an ARP packet with broadcast destination mac address and destination IP address with its own IP address 192.168.0.1.Īlso note that, in this packet, you can see the PC1 source MAC address and source IP address. MAC Address table Switch#show mac-address-table So there is no chance of learning PC MAC address by a switch.Īt this point, when we run the command in switch, then you will see no entry in the MAC address table. So it will drop the frames and never send back a reply switch.

Difference between Synchronous and Asynchronous TransmissionĪs you know, PC is a layer 3 device, and it has no service to accept Layer 2 protocol frames.

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