[root@ip-10-244-219-191 mnt]# cat build/appliances/x86_64/rhel/6/jeos-rhel6/rhel-plugin/tmp/yum.conf
[main]
cachedir=/tmp/boxgrinder_build-x86_64-yum-cache/

[boxgrinder_build-rhel6]
name=rhel6
baseurl=ftp://ftp.redhat.com/pub/redhat/rhel/beta/6Workstation-beta2/x86_64/os/
enabled=1