When pinging a link-local or site-local address, it is recommended to specify the scope-ID to make the destination address unambiguous. For example, to send Echo Requests to Host B from the IPv6 address of fe80::210:5aff:feaa:20a2, use the following command: To specify the source address from which the Echo Request messages are sent, you can also use the Ping6.exe -s option. Use ipv6 if on Host B to obtain the link-local address for the Ethernet interface.Įxample: The link-local address of Host B is fe80::260:97ff:fe02:6ea5.įrom Host A, ping Host B using Ping6.exe. Use ipv6 if on Host A to obtain the link-local address for the Ethernet interface.Įxample: The link-local address of Host A is fe80::210:5aff:feaa:20a2. Install the Microsoft IPv6 Technology Preview for Windows on two Windows hosts (Host A and Host B) that are on the same link (subnet). To ping using IPv6 between two link-local hosts You can do a simple ping (an exchange of ICMPv6 Echo Request and Echo Reply messages) using IPv6 between two link-local hosts. Testing Connectivity Between Two Link-local Hosts Interface 4 is an interface corresponding to an installed Ethernet adapter with a link-local address of fe80::210:5aff:feaa:20a2.įor more information on IPv6 addressing and an overview of IPv6 concepts, see the Introduction to IPv6 white paper. Interface 1 (site 0): Loopback Pseudo-Interface Preferred address ::10.0.0.2, infinite/infinite Interface 2 (site 0): Tunnel Pseudo-Interface Multicast address ff02::1:ff00:2, 1 refs, last reporter Preferred address fe80::a00:2, infinite/infinite Interface 3 (site 1): 6-over-4 Virtual Interface Multicast address ff02::1:ffaa:20a2, 1 refs, last reporter Multicast address ff02::1, 1 refs, not reportable Preferred address fe80::210:5aff:feaa:20a2, infinite/infinite Ipv6 if Interface 4 (site 1): Local Area Connection You can view your link local address by using ipv6 if, as demonstrated in the following example: Therefore, the link-local address of this example node with the prefix fe80::/64 and the interface identifier 02-60-08-ff-fe-52-f9-d8 is fe80::260:8ff:fe52:f9d8. The link-local address of a node is the combination of the prefix fe80::/64 and the 64-bit interface identifier expressed in IPv6 colon-hexadecimal notation. Therefore, the IPv6 interface identifier corresponding to the Ethernet MAC address of 00-60-08-52-f9-d8 is 02-60-08-ff-fe-52-f9-d8. The result is that for the first byte, 0x00 becomes 0x02. The second low-order bit of 0x00 is 0 which, when complemented, becomes 1. The Universal/Local bit, the second low-order bit of 0x00 (the first byte) of the MAC address is complemented.The hex digits 0xff-fe are inserted between 0x08 (the third byte) and 0x52 (the fourth byte) of the MAC address, forming the 64-bit address 00-60-08-ff-fe-52-f9-d8.If it is a 1, it is turned to 0, and if it is a 0, it is turned to 1.įor example, for the MAC address 00-60-08-52-f9-d8: The Universal/Local bit, the second low-order bit of the first byte of the MAC address, is complemented.
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