What does error 'Nblade.invTcpRecordMarker' mean?
Applies to
- ONTAP 9
- Clustered Data ONTAP 8
Answer
This error is logged in EMS when one of three invalid TCP record markers is received:
-
TCP_FRAGMENT - Received a packet where the
'RPC Last Fragment'
bit is set to 0-
ONTAP does not support these calls
-
-
TCP_DATA_LENGTH_OVERFLOW - Received a packet where the record marker is greater than the maximum supported
-
Pre Clustered Data ONTAP 8.2 = 70KB
-
Clustered Data ONTAP 8.2 to Clustered Data ONTAP 8.3.2 = 300KB
-
ONTAP 9 and above = 1MB
-
-
TCP_DATA_LENGTH_UNDERFLOW - Received a packet where the record marker is less than 40 Bytes
Additional Information
Examples:
Nblade.invTcpRecordMarker:error]: Invalid TCP record marker received from remote IP address x.x.x.x on local port xxxx. Vserver ID associated with this operation is x. Invalid reason is TCP_FRAGMENT, invalid record marker is x.
Nblade.invTcpRecordMarker:error]: Invalid TCP record marker received from remote IP address x.x.x.x on local port xxxx. Vserver ID associated with this operation is x. Invalid reason is TCP_DATA_LENGTH_OVERFLOW, invalid record marker is x.
Nblade.invTcpRecordMarker:error]: Invalid TCP record marker received from remote IP address x.x.x.x on local port xxxx. Invalid reason is TCP_DATA_LENGTH_UNDERFLOW, invalid record marker is x.