If two service ports on an S series fixed switch are configured as stack ports, can other service ports on the switch that are not configured as stack ports be used to run services

For most S series fixed switches, the ports that are not configured as stack port can still run services. For example, when two rear SFP ports on an S5700-52P-LI switch are configured as stack ports, the other two rear SFP ports can forward service data. However, on the S6700EI and S6720EI, every four ports are added to one group. A group of ports must function as stack ports or service ports together. That is, when one port is configured as a stack port, the other three ports in the same group will automatically be configured as stack ports but cannot function as service ports.

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