you can use the below command to start/resume the replication. Modify the command accordingly.

nas_replicate -start Filestore_replicate -interconnect Replication -source_interface ip=172.31.91.65 -destination_interface ip=172.29.72.1 -max_time_out_of_sync 10 -overwrite_destination -background

Please refer the Celerra replicator document for the command syntax.

https://support.emc.com/docu7238_Using_Celerra_Replicator_(V2).pdf?language=en_US

Jithin