Gateway Action drop
Recommended Action Verify that no faulty network equipment exists.
Revision 1
Parameters senderip
Context Parameters Rule Name
Packet Buffer
2.32.22. nd_hoplimit_reached (ID: 06400047)
Default Severity WARNING
Log Message Neighbor Discovery packet from <senderip> appears to have been
routed. Dropping
Explanation The Neighbor Discovery packet IP header contains a Hop Limit
smaller than 255. Dropping packet.
Gateway Action drop
Recommended Action Verify that no faulty network equipment exists.
Revision 1
Parameters senderip
Context Parameters Rule Name
Packet Buffer
2.32.23. nd_multicast_target_address (ID: 06400048)
Default Severity WARNING
Log Message Neighbor Discovery target address <targetip> is multicast. Dropping
Explanation The Neighbor Discovery target IP address is a multicast address, this
is illegal according to RFC4861. Dropping packet.
Gateway Action drop
Recommended Action Verify that no faulty network equipment exists.
Revision 1
Parameters targetip
Context Parameters Rule Name
Packet Buffer
2.32.24. invalid_nd_sender_ip_address (ID: 06400049)
Chapter 2: Log Message Reference
405
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