Explanation The Neighbor Solicitation packet contains a source link layer adderss
option, this is illegal according to RFC4861. Dropping packet.
Gateway Action drop
Recommended Action Verify that no faulty network equipment exists.
Revision 1
Context Parameters Rule Name
Packet Buffer
2.32.41. nd_updated_entry (ID: 06400066)
Default Severity NOTICE
Log Message ND cache entry <ipaddress> updated from <oldenet> to
<newenet>.
Explanation A Neighbor Solicitation updated an entry in the Neighbor Discovery
cache.
Gateway Action allow
Recommended Action None.
Revision 1
Parameters ipaddress
oldenet
newenet
Context Parameters Rule Name
Packet Buffer
2.32.42. nd_update_entry_request (ID: 06400067)
Default Severity NOTICE
Log Message ND cache entry <ipaddress> update from <oldenet> to <newenet>
request. DPD old address.
Explanation A Neighbor Solicitation requests updating an entry in the Neighbor
Discovery cache. Performing Dead Peer Detection before allowing
changes.
Gateway Action dpd_old_entry
Recommended Action None.
Revision 1
Parameters ipaddress
oldenet
newenet
Context Parameters Rule Name
Chapter 2: Log Message Reference
412
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