Brocade Fabric OS Command Reference Manual Supporting Fabric OS v6.3.0 (53-1001337-01, July 2009)

Fabric OS Command Reference 713
53-1001337-01
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OOO Counter of out-of-order segments
OOO H Out-of-order segments high water mark
Dup ACK Counter of duplicate ACKs
Rtx Dup ACK Counter of retransmit packets due to duplicate ACK
Fast Rtx Fast retransmits
F Rtx H Fast retransmits high water mark
Slow Rtx Slow retransmits
InFlt H Packets in-flight high water mark
SlowStarts Counter of slow starts
Rtx TO Retransmit timeouts
Rtx Rtx TO Counter of retransmit packets due to timeout
Use portCfg fciptunnel with the -bstr parameter to display parameters related to the Byte Streaming
feature. Byte streaming allows the Brocade switch to communicate with third party WAN
optimization hardware. Refer to portCfg for more information on this feature. The following
parameters are displayed:
Head index The index into the TCP segment queue pointing to the oldest segment.
Tail index The index into the TCP segment queue pointing to the newest segment.
Current count The current number of pending segments to be processed.
Pending Frames High
A high count of the number of frames waiting to be processed from TCP.
Segment Count High
A high count of the number of segments that were used to create a single
FCIP frame.
Data Mover Restarts
The number of times the Data Mover was hung and needed to be restarted.
Frame Too Large Count
The number of times more data was received than was intended for the
single FCIP frame
Max Reference Count
The maximum number of FCIP frames that referenced a single TCP segment.
Max Frame Size The maximum size of an FCIP frame received.
Max Segments The number of times the maximum allowable number of segments was
pulled from TCP.
Reached Max Pending
Count of the number of times the pending frames queue was full.
FCIP Smoothed RTT
The WAN RTT perceived in FCIP smoothed over the last 8 samples.
FCIP RTT Variance Variance in RTT perceived in FCIP.
Operands This command supports the following operands: