[SOLVED] NFS No route to host

All,

I am stuck and need help troubleshooting my problem.

First of all, I disabled SELinux and stopped the firewalld.service on the server and client to eliminate their interference and make it easier for me to troubleshoot the problem.

On the server (LinuxSrv, 192.168.0.8), I made the following changes:

/etc/exports:
/home/data 192.168.0.78(rw,sync,no_root_squash)

/etc/hosts.allow:
portmap: 192.168.0.78
lockd: 192.168.0.78
rquotad: 192.168.0.78
mountd: 192.168.0.78
statd: 192.168.0.78

/etc/hosts.deny:
portmap:ALL
lockd:ALL
mountd:ALL
rquotad:ALL
statd:ALL

/etc/hosts:
192.168.0.78 LinuxClt
192.168.0.8 LinuxSrv

If I run exportfs -a -v, I get:
exporting 192.168.0.78:/home/data

On the server (LinuxClt, 192.168.0.78), I made the following changes:

/etc/nfsmount.conf (because my LinuxSrv is old and it has NFS 3):
Nsfvers=3

I ran the following command:
/usr/bin/mount -t nfs -o vers=3 LinuxSrv:/home/data /mnt/data

and got: mount.nfs: No route to host

What am I missing?

I appreciate any help.... Thanks.