yum cd rom

yum cd  rom

# 1 Mount CROM

mount  -o loop /ISO/CDROM6.7  /mnt/cdrom

2 Edit file
vi /etc/yum.repos.d/media.repo

[InstallMedia]
name=Red Hat Enterprise Linux 6.7
mediaid=1435823078.298912
metadata_expire=-1
gpgcheck=0
cost=500
baseurl=file:///mnt/cdrom/


[HighAvailability]
name=ha
baseurl=file:///mnt/cdrom/HighAvailability
enabled=1
gpgcheck=0

[ResilientStorage]
name=rs
baseurl=file:///mnt/cdrom/ResilientStorage
enabled=1
gpgcheck=0