Dell POWEREDGE M1000E - Manual (Page 803)

Fabric OS Command Reference 771
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portShow
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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
Dup ACK Counter of duplicate ACKs
Rtx Dup ACK Counter of retransmit packets due to duplicate ACK
LPort Local port
RPort Remote port
Along with history, the system keeps track of the following TCIP statistics, which you can display
with the fciptunnel -snapshow option. The statistic is collected from system startup onwards until it
is reset with the fciptunnel -snapstart option. Subsequent calls to -snapshow display statistics
collected since the system was last reset. The TCIP statistics include the following information:
Tunnel Num The tunnel number associated with this TCP connection
Connection The type of TCP connection (CONTROL or DATA)
LPort Local port
RPort Remote port
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.