Explanation Authentication failed due to bad crypto digest.
Gateway Action drop
Recommended Action Verify that the neighboring OSPF router share the same crypto
digest.
Revision 1
Context Parameters Rule Name
2.40.20. checksum_mismatch (ID: 02400055)
Default Severity WARNING
Log Message Checksum mismatch. Received was <recv_chksum>, mine is
<my_chksum>
Explanation Received OSPF data from neighbor with mismatching checksum.
Gateway Action drop
Recommended Action Check network equipment for problems.
Revision 1
Parameters recv_chksum
my_chksum
Context Parameters Rule Name
2.40.21. dd_mtu_exceeds_interface_mtu (ID: 02400100)
Default Severity WARNING
Log Message Neighbor <neighbor> MTU is too high. Received DD has MTU
<dd_mtu>. Interface MTU is <iface_mtu>
Explanation Received database description from neighbor with too high MTU.
Gateway Action drop
Recommended Action Lower the MTU on the neighboring OSPF router.
Revision 1
Parameters neighbor
dd_mtu
iface_mtu
Context Parameters Rule Name
2.40.22. m_ms_mismatch (ID: 02400101)
Chapter 2: Log Message Reference
481
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