1. Copy the contents from the Red Hat Enterprise Linux DVD ISO RHELX-XXXX.iso the the destination web directory.

    # mkdir -p /var/www/html/cdrom/
    # mount -o loop RHELX-XXXX.iso /media
    # cp -rv /media/* /var/www/html/cdrom

2  Create a file called dvd.repo locally with the contents below :

     # cat /etc/yum.repos.d/cat.repo
     [RHEL5-Server-DVD]
     name=Red Hat Enterprise Linux $releasever - $basearch (DVD)
     baseurl=file:///var/www/html/cdrom/Server
     enabled=1
     gpgcheck=1
     gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

Verify from client

1. # yum clean all
       # yum repolist
       Loaded plugins: katello, product-id, security, subscription-manager
       Updating certificate-based repositories.
       Unable to read consumer identity
       RHEL5-Server-DVD                                         | 1.5 kB     00:00    
       RHEL5-Server-DVD/primary                                 | 920 kB     00:00    
       RHEL5-Server-DVD                                                      3285/3285
       repo id          repo name                                                status
       RHEL5-Server-DVD Red Hat Enterprise Linux 5Server - x86_64 (DVD)          3,285
       repolist: 3,285