F5 Trunk port is connected to Cisco Switch Access Port

Hi Josh,

Thanks for your comment and Hamish as well. So based on the attached diagram, if in case wrong cables are patched (as per scneario in diagram), there will not be any issue or STP looping but the end switch port will be shutdwon or will be in inconsistent error state because it is configured with etherchannel.

From the scenario, the cable for access ports supposedly connected to Data ports of F5 are wrongly connected to one of F5s Trunk interface that is configured as member of Trunk (F5 Term) or Etherchannel(Cisco Term) between F5 devices. And the cables for trunk ports are instead connected to Data ports between F5 device.

And also, what it the Switch access ports that are wrongly connected to F5 trunk ports are configured with portfast? Will it cause any loop?

As per previous question, portfast connected to F5 may cause loops but is it also applicable from scenario in the diagram? https://devcentral.f5.com/questions/trunk-setup-for-cisco-6509-and-f5-ltm-1600

Thanks.