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Defaults Display SWPQ statistics on all Z9500 CPUs (Control Processor, Route Processor,
and line cards).
Command
Modes
• EXEC
• EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
8.1.1.0 Introduced on the E-Series ExaScale.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series and E-Series.
Usage
Information
Field Description
Source QID /Tx
Process
Source Service Identifier
Destination
QID/Rx Process
Destination Service Identifier
Cur Len Current number of messages enqueued
High Mark Highest number of packets in the queue at any time
Timeout Timeout count
Retries Number of retransmissions
Msg Sent Number of messages sent
Ack Rcvd Number of messages acknowledged
Available Retra Number of retries left
Max Retra Number of retries allowed
Important Points:
• The SWP provides flow control-based reliable communication between the
sending and receiving software tasks.
• A sending task enqueues messages into the SWP queue3 for a receiving task
and waits for an acknowledgement.
• If no response is received within a defined period of time, the SWP timeout
mechanism resubmits the message at the head of the FIFO queue.
Control and Monitoring
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