este es el error que me muestra:::::::::::

Could not retrieve mirrorlist
[root@localhost ~]# yum install rpmforge-release-0.3.6-1.el5.rf.i386.rpm
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
http://apt.sw.be/redhat/el5/en/mirrors-rpmforge error was
[Errno 4] IOError:
Error: Cannot find a valid baseurl for repo: rpmforge

ahora tambien realizo:::::::::::::::
[root@localhost ~]# yum -y update

ya busqu elos medio y pues no se peude actualizar::::::::::::::::::::::::
Juan Jesus Flores obregon