To_Multi_Dst_Unreach_4.seq - check Message Processing Rules (ICMPv6 Destination Unreachable )
Host/Router
To_Multi_Dst_Unreach_4.seq [-tooloption ...] -p To_Multi_Dst_Unreach_4.def
When test starts, states of Neighbor Cache Entry for TN's addresses are reachable.
This test verifies that the message processing rule, An ICMPv6 error message MUST NOT be sent as a result of receiving:
a packet destined to an IPv6 multicast address (there are two exceptions to this rule: (1) the Packet Too Big Message - Section 3.2 - to allow Path MTU discovery to work for IPv6 multicast, and (2) the Parameter Problem Message, Code 2 - Section 3.4 - reporting an unrecognized IPv6 option that has the Option Type highest-order two bits set to 10).
TN NUT
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1. === UDP packet ===> src address : TN link local address dst address : all node multicast address port number is not used in NUT 2. << JUDGMENT >>
<=== No pakcet === or <=== ICMPv6 Destination Unreachable === Code is 4
<< PASS >> NUT do not send ICMPv6 Destination Unreachable. << FAIL >> NUT send ICMPv6 Destination Unreachable.
perldoc V6evalTool