How to authenticate ldap server to query?

I am using ldapsearch command and getting below error while querying:

$ ldapsearch -x "(objectclass=*)"
# extended LDIF
#
# LDAPv3
# base <dc=goexample,dc=me> (default) with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 1 Operations error
text: 00002020: Operation unavailable without authentication

# numResponses: 1

Select allOpen in new window

content of /etc/openldap/ldap.conf

#
# LDAP Defaults
#

# See ldap.conf(5) for details
# This file should be world readable but not world writable.

#BASE   dc=example,dc=com
#URI    ldap://ldap.example.com ldap://ldap-master.example.com:666

#SIZELIMIT      12
#TIMELIMIT      15
#DEREF          never

BASE    dc=goexample,dc=me
URI     ldap://10.0.1.203
TLS_CACERTDIR /etc/openldap/cacerts

Select allOpen in new window

I think I am getting authentication error.. I can I supply a userid and password with ldapsearch command?