Palo Alto Networks Knowledgebase: Commit Duplex Error if Speed Set to 1000 Mbps

Commit Duplex Error if Speed Set to 1000 Mbps

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Created On 09/13/19 07:35 AM - Last Updated 09/13/19 07:38 AM
Network Integration Hardware
Resolution

Issue

In PAN-OS , if the duplex on a 1000 Mbps port is not set to "auto" the system will display the following error message upon committing:

Interface eth1/x link speed is set to '1000', link-duplex MUST be set to 'auto'

 

Resolution

This error response is by design in PAN-OS to report a configuration error. The only valid duplex option on a 1000 Mbps port is auto, this is defined within the IEEE 802.3 specification for 1000base-T

 

To change the duplex option via CLI, run the following command:

set network interface ethernet ethernet1/5 link-speed auto

 



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