Does IPv6 have a MAC address?


Does IPv6 have a MAC address?

An IPv6 device will use the MAC address of its interface to generate a unique 64-bit interface ID. However, a MAC address is 48 bit and the interface ID is 64 bit.

How do I find my IPv6 MAC address?

Use the ipconfig Command

  1. Open Command Prompt. In Windows 10, open the Start menu and search for cmd.
  2. Type this command and press Enter. ipconfig /all.
  3. Locate Physical Address to see the network adapter’s MAC address. The IPv4 address is listed beside IPv4 Address, while Link-local IPv6 Address shows the IPv6 address.

Which supports are in IPv6 address?

IPv6 has no broadcast addresses: multicast addresses took over. IPv6 supports addresses that are four times the number of bits as IPv4 addresses (128 vs. 32). This is 4 billion times 4 billion times the size of the IPv4 address space.

What is IPv4/IPv6 MAC address?

Address Length and Representation: In IP address, Ipv4 has an address length of 32-bits, while IPv6 has an address length of 128-bits. On the other hand, the MAC address is a 48-bits address. Also, the IP address is represented in the binary format with dots(.)

How do I manually configure IPv6 on MAC?

Select the network service you want to use with IPv6, such as Ethernet or Wi-Fi. Click Advanced, then click TCP/IP. Click the Configure IPv6 pop-up menu, choose Manually, then enter the IPv6 address, router address, and prefix length you received from your network administrator or ISP.

How do I find my IPv6 address?

When connecting a device to a PC which has a network interface configured to DHCP, you can find out the IP address with link-local. When connecting a Raspberry Pi to a Notebook for example, both devices will get a 169.254. 0.0/16 IPv4 address and a fe80::/10 IPv6 address.

Why does my Mac have so many IPv6 addresses?

Because new addresses are generated regularly the addresses are marked as temporary . A device can have multiple privacy extension addresses if the system is still using an old address when a new address is being generated. The system will keep the old address for as long as necessary.

How do I change IPv6 on Mac?

IPv6 and Mac OSX

  1. Select the Apple icon to open the Apple menu.
  2. Select System Preferences.
  3. Select Network.
  4. From the left-hand menu, select the connection type.
  5. Select Advanced.
  6. Confirm Configure IPv6 is set to Automatically.
  7. Select OK.

What does 128 mean in IPv6?

The /128 is because your address was obtained via DHCPv6. There is nothing wrong with it. The prefix information should be received via the router advertisement and installed in the local routing table, which can be visualized via the netstat -r command.