Source Address
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... ICMPv6 messages are sent using various kinds of source and
destination address types and scopes. The source address is usually
a unicast address, but during address autoconfiguration ...
... address autoconfiguration message
exchanges, the unspecified address (::) is also used as a source
address [RFC2462].
...
... sent with the unspecified address (::) as the IPv6 source address.
Subsequently, the node will generate new MLD ...
... carried by ICMPv6 error messages. If the embedded packet has a
source address that does not match the destination of the error
message, the packet can be dropped. This provides a partial defense ...
... Haberman, B., "Source Address Selection for the Multicast Listener Discovery (MLD) Protocol", RFC 3590prop ...
... route to destination,
administratively prohibited, beyond scope of source address, address
unreachable, port ...
... address
unreachable, port unreachable, source address failed ingress/egress
policy, or reject route to destination ...
... Echo Request (Type 128) uses unicast addresses as source addresses,
but may be sent to any legal IPv6 address, including multicast ...