From Bugzilla Helper:
User-Agent: Mozilla/4.79C-CCK-MCD  [en] (X11; U; SunOS 5.8 sun4u)

Description of problem:
Entered as an NFS component error, but I suspect is more widespread.

With local HOSTS entries, NFS mounts fail with RPC portmap error using  host
name or IP address. (Similarly, Telnet fails with connection refused.) Ping
works.

Remove the HOSTS entries and NFS/Telnet works fine with IP address.  All worked
fine with redhat 7.1

I've seen comments about a bug that sounds similar and which was preventing some
sites (including redhat) migrating to 8.0, but can't find reference to this on
bugzilla.

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. remove entries in etc/hosts - works
2. add entries to etc/hosts - fails
3.
    

Actual Results:  nfs mount fails with RPC portmap error. 

Expected Results:  nfs should have mounted remote filesystem

Additional info: