Command of cataloging the databse

Hello,

i have done a distributed installation CI on node A & DB on node B

details

CI - HOSTNAME - ECCCI

DB - HOSTNAME - ECCDB

SID - PRD

When i move DB vg on node A ,what command i have to use to catalogog a database

i have the command format. please suggest me the exact command

1. command to add the TCP/IP node to the node directory:

db2 catalog tcpip node node_alias_name remote DB2_server_host_name server DB2_port

2. command to catalog the database.

db2 catalog db database_name as database_alias at node node_alias_name

in my case what command should be used?

Thanks & Regards