show aps
ExtremeWare Software 7.3.0 Command Reference Guide 1683
• Hello protocol failures (this count is included as a component of the automatic line switches initiated
by protection-line switch counter)
• APS mode mismatch failures (occurs when the ADM indicates that it is provisioned for the 1:n APS
architecture, or when the ADM indicates that it is provisioned for unidirectional-switching mode)
• Protection switching byte failures (occurs when the received K1 byte is either inconsistent or contains
an invalid request code)
• Channel mismatch failures (occurs when the channel number in the transmitted K1 byte does not
match the channel number in the received K2 byte)
• Far-end protection line failures (occurs when a signal fail request code is received on the protection
line)
Additional detailed status information reported for each protection-line port includes:
• Current contents of received K1 and K2 bytes
• Contents of K1 and K2 bytes that are currently being transmitted
• An indication of whether an APS mode mismatch failure is currently active
• An indication of whether a protection switching byte failure is currently active
• An indication of whether a channel mismatch failure is currently active
• An indication of whether a Far-end protection line failure is currently active
Example
The following command displays APS group status information:
show aps
History
This command was first available in an ExtremeWare IP Technology Services Release based on
v6.1.5b20.
Platform Availability
This command is available on the BlackDiamond switch only.
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