How to create a seedfile from an existing Smarts topology.
How to dump out SNMP agents from a topology.
Smarts - 10.1.x
Navigate to <Basedir>/IP/smarts/bin/ and run sm_tpmgr -s <server> --dump-agents > <seedfile>.
Example: /opt/IP/smarts/bin/sm_tpmgr -s 1019-AMPM --dump-agents > seedfile.txt
This command will create seedfile.txt from where it is run i.e in bin directory.