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How does a router know the MAC address of its neighbor routers?
4 Answers. A router doesn’t know nor does it care about the MAC address of a remote destination. MAC addresses are used only for delivery in layer-2 segments like Ethernet within a directly attached network. Those addresses are of no consequence to any node outside that segment.
How do routers find MAC addresses?
Find your Network MAC address on an Android Device Android users can browse to Settings > About Phone > Status, swipe down to the bottom to view the Wi-Fi MAC Address. For devices such as your router or switch, normally the physical address can be found on the back of the device label.
Does router have 2 MAC addresses?
Wi-Fi Router and Access Points have multiple MAC addresses, not just one. They have multiple network interfaces: the WAN port. the LAN port (in some routers)
Why hub is used in physical layer?
10BaseT hubs are also Physical layer devices. Technically, they’re known as multiport repeaters because the purpose of a hub is to regenerate every packet received on any port on all of the hub’s other ports. Repeaters and hubs don’t examine the contents of the packets that they regenerate.
Why does a router have 2 MAC addresses?
Each network interface has its own unique MAC address, assigned by the vendor of the equipment. So if you have a wired and a wireless interface you will see two addresses.
How to find MAC address of computer, router, network?
To find MAC address of the computer’s network equipment, you must perform the following steps: Press Windows + R keyboard shortcut to bring up the “Run” line. In this line you need to write the msinfo32 command. This will allows you to access the “System Information” menu. Next, select “Components” – “Network” – “Adapter”.
Why are there three MAC addresses for the same router?
So since my router is hooked up to my DSL modem, my DSL modem sees the “Router” MAC address, but any computer that uses the router on the LAN will see either the LAN or wireless MAC address, depending on whether they are connected via ethernet or wireless. So the question is, why are there three MAC addresses for the same router?
How does a router know the destination MAC?
Router looks for ARP table to find a MAC address that matches the IP address and forwards the traffic .By flooding the broadcast message to all host connected in systems a ARP table is created in router belong to layer 3 gateway configuration on router .
Why do we need to know the MAC address of a device?
The MAC allows us to identify a specific computer always and at all times, regardless of the IP it has at that time since it is unique for each device. Thus, knowing the MAC of a device we could: