Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server. )

# cd /etc/yum.repos.d
# vim local.repo
[local]
name=local.repo

baseurl=file:///mnt
enabled=1
gpgcheck=0

# yum makecache
# yum install -y vsftpd
# service vsftpd restart
# chkconfig vsftpd on
# chkconfig –list vsftpd
# vim /etc/vsftpd/vsftpd.conf
anonymous_enable=YES