安装CM时yum repolist报错，跪求大神来解答

Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
http://10.161.32.65/cdh/cm5.4.0/repodata/repomd.xml: [Errno 14] PYCURL ERROR 7 - "couldn't connect to host"
Trying other mirror.
repo id                                                repo name                                                              status
cloudera-manager                                       Cloudera Manager ,Version 5.4.0                                        0
repolist: 0