*[root@sftp01 ~]# mount -vt cifs -o username=foo,password=password //samba01.test.lan/home/foo/smbshare /mnt/foo
mount.cifs kernel mount options: ip=192.168.10.105,unc=\samba01.test.lanhome,,ver=1,user=foo,prefixpath=foo/smbshare,pass=********
Retrying with upper case share name
mount.cifs kernel mount options: ip=192.168.10.105,unc=\SAMBA01.TEST.LANHOME,,ver=1,user=foo,prefixpath=FOO/SMBSHARE,pass=********
mount error(6): No such device or address
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)*

[root@samba01 ~]# hostname -f ;hostname -I ;cat /etc/centos-release
samba01.test.lan
192.168.10.105
CentOS release 6.9 (Final)
[root@samba01 ~]# iptables -L -n ;sestatus
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
SELinux status:                 disabled
[root@samba01 ~]# ps -ef |egrep "smbd|nmbd"
root       469     1  0 11:44 ?        00:00:00 nmbd -D
root       481     1  0 11:44 ?        00:00:00 smbd -D
root       485   481  0 11:44 ?        00:00:00 smbd -D
root       548   481  0 11:59 ?        00:00:00 smbd -D
root       582   500  0 12:04 ?        00:00:00 egrep smbd|nmbd
[root@samba01 ~]# smbclient -L //samba01.test.lan -U foo
Enter foo's password:
Domain=[MYGROUP] OS=[Unix] Server=[Samba 3.6.23-44.el6_9]

        Sharename       Type      Comment
        ---------       ----      -------
        foo             Disk
        IPC$            IPC       IPC Service (Samba Server Version 3.6.23-44.el6_9)
Domain=[MYGROUP] OS=[Unix] Server=[Samba 3.6.23-44.el6_9]

        Server               Comment
        ---------            -------
        SAMBA01              Samba Server Version 3.6.23-44.el6_9

        Workgroup            Master
        ---------            -------
        MYGROUP              SAMBA01
[root@samba01 ~]# testparm
Load smb config files from /etc/samba/smb.conf
Processing section "[homes]"
Processing section "[printers]"
Processing section "[foo]"
Loaded services file OK.
Server role: ROLE_STANDALONE
Press enter to see a dump of your service definitions

[global]
        workgroup = MYGROUP
        server string = Samba Server Version %v
        log file = /var/log/samba/log.%m
        max log size = 50
        client signing = required
        idmap config * : backend = tdb
        cups options = raw

[homes]
        comment = Home Directories
        browseable = No

[printers]
        comment = All Printers
        path = /var/spool/samba
        printable = Yes
        print ok = Yes
        browseable = No

[foo]
        path = /home/foo/smbshare
        valid users = foo
        read only = No
[root@samba01 ~]# ls -al /home/foo/
total 28
drwx------ 3 foo  foo  4096 Sep 12 10:09 .
drwxr-xr-x 4 root root 4096 Sep 13 11:30 ..
-rw------- 1 foo  foo    50 Sep 12 10:38 .bash_history
-rw-r--r-- 1 foo  foo    18 Mar 22 19:15 .bash_logout
-rw-r--r-- 1 foo  foo   176 Mar 22 19:15 .bash_profile
-rw-r--r-- 1 foo  foo   124 Mar 22 19:15 .bashrc
drwxrwxr-x 2 foo  foo  4096 Sep 13 12:20 smbshare

[root@sftp01 ~]# hostname -f ;hostname -I ;cat /etc/centos-release ;rpm -qa |grep cifs
sftp01.test.lan
192.168.10.104
CentOS release 6.9 (Final)
cifs-utils-4.8.1-20.el6.x86_64
[root@sftp01 ~]# iptables -L -n ;sestatus
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
SELinux status:                 disabled
[root@sftp01 ~]# smbclient -L //samba01.test.lan -U foo
Enter foo's password:
Domain=[MYGROUP] OS=[Unix] Server=[Samba 3.6.23-44.el6_9]

        Sharename       Type      Comment
        ---------       ----      -------
        foo             Disk
        IPC$            IPC       IPC Service (Samba Server Version 3.6.23-44.el6_9)
Domain=[MYGROUP] OS=[Unix] Server=[Samba 3.6.23-44.el6_9]

        Server               Comment
        ---------            -------
        SAMBA01              Samba Server Version 3.6.23-44.el6_9

        Workgroup            Master
        ---------            -------
        MYGROUP              SAMBA01
[root@sftp01 ~]# ls -al /mnt/
total 12
drwxr-xr-x  3 root root 4096 Sep 13 12:26 .
drwxr-xr-x 25 root root 4096 Sep 13 09:03 ..
drwxr-xr-x  2 root root 4096 Sep 12 10:05 foo

unc=\samba01.test.lanhome,,ver=1,user=foo,prefixpath=foo/smbshare