IPv6 Addressing
Loopback Address
fe90::215:60ff:fe7a:adc0
then the corresponding solicited-node multicast address is
ff02:0:0:0:0:1:ff7a:adc0
For related information, refer to:
■ RFC 2375: IPv6 Multicast Address Assignments
■ RFC 3306: Unicast-Prefix-based IPv6 Multicast Addresses
■ RFC 3956: Embedding the Rendezvous Point (RP) Address in an IPv6
Multicast Address
■ RFC 3177: IAB/IESG Recommendations on IPv6 Address Allocations to
Sites
■ RFC 4007: IPv6 Scoped Address Architecture
■ RFC 4291: IP Version 6 Addressing Architecture
■ “Internet Protocol Version 6 Multicast Addresses” (at www.iana.org)
■ RFC 2710: Multicast Listener Discovery (MLD) for IPv6
■ RFC 3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6
(Updates RFC 2710.)
Loopback Address
The IPv6 loopback address is a link-local unicast address that enables a device
to send traffic to itself for self-testing purposes. The loopback address does
not have a physical interface assignment. If an IPv6 packet destined for the
loopback address is received on a switch interface, it must be dropped. The
IPv6 loopback address is never used as the source IPv6 address for any packet
that is sent out of a device, and the switch drops any traffic it receives with a
loopback address destination. An example use case is:
ProCurve# ping6 ::1
0000:0000:0000:0000:0000:0000:0000:0001 is alive, time = 1 ms
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