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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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CSSM/4/PORTNOAVAILABLE:CSS port [OCTET] has been unavailable. Reason: [OCTET].


The CSS port is unavailable.


Parameter Name Parameter Meaning
[OCTET] CSS port number
[OCTET] Reason that the CSS port is unavailable

Possible Causes

When the CSS port is Down and the heartbeat expires, the CSS port is unavailable and this log is generated.


  1. If the CSS port is Down because you manually disable it, run the undo shutdown interface { interface-type interface-number1 [ to interface-type interface-number2 ] } &<1-10> enable command in the logical CSS port view to enable the CSS port.
  2. If the fault persists after all the CSS ports are enabled, remove and then install the cable of the unavailable CSS port.
  3. If the fault persists, the cable, optical module, or CSS card may fail. Replace the related hardware.
Updated: 2019-08-21

Document ID: EDOC1000142069

Views: 575563

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