When a range of ports is being configured for etherchannel which mode will configure lacp on a port only if the port receives lacp packets from another device?

The mode that configures LACP (Link Aggregation Control Protocol) on a port only if it receives LACP packets from another device is called "passive" mode. In this mode, the port will wait for LACP packets before it initiates the aggregation process. This is in contrast to "active" mode, where the port actively sends LACP packets to negotiate aggregation regardless of the other device's actions.