change rpm sources

[Norbert Fabritius]

Thanks for the quick help, but...

adding the local isos to up2date works, but this program only cares for
packages already installed. I want to use my isos with
"redhat-config-packages" to have an easy way of installing _new_ packages.

So, my question is, where can I tell "redhat-config-packages" not to
search for my physical cds, but for my local packages in /mnt/iso1/
/mnt/iso2/ ...