Cannot connect to Mongodb Server without adding into Host Files

[steevej (Steeve Juneau)]

You will find some useful information in the following post.

Access mongodb via External IP

Hi @Bhuvanesh_R , As @steevej mentioned, with a replica set connection clients use the hostnames listed in the replica set configuration per the Server Discovery and Monitoring (SDAM) specification implemented by official MongoDB drivers. The rationale for this behaviour is to support failover and zero-downtime reconfiguration, which are key features of a replica set connection. Establishing a connection to a single replica set member (aka a “direct connection”) does not include failover or di…