NFS mount problem

[Shelby, Ken (SEN US EXT)]

I need some help mounting an NFS file system on a Busybox 1.13.4
machine.
 
This is the error message:
 
        mount: 10.2.106.25:/export has wrong device number or fs type
nfs not supported
 
This is the mount command that I gave Busybox:
 
        mount  -t  nfs  -o  ro  10.2.106.25:/export  /mnt
 
The file system is exported as "read-only" to the world from a Red Hat
4.6 NFS server.  The Busybox NFS client machine is running on an
"initrd.gz" that the machine successfully grabbed off my network via
pxelinux and tftp.  Busybox has successfully run "insmod" to put the NIC
driver (e1000.ko) in the kernel, and Busybox can both ping and telnet to
the Red Hat NFS server.
 
I have unsuccessfully tried various combinations of all of the following
mount options: nolock, soft, intr, rsize=1024, wsize=1024, vers=2,
vers=3
 
The Busybox build configuration for "mount" includes the NFS option:
 
        CONFIG_FEATURE_MOUNT_NFS=y
 
I have tried having the RHEL server offer only NFS version 2 or only NFS
version 3.  It now explicitly offers both:
 
        # cat /etc/sysconfig/nfs
 
        MOUNTD_NFS_V1="no"
        MOUNTD_NFS_V2="yes"
        MOUNTD_NFS_V3="yes"
 
Other servers have no trouble mounting the NFS export, only my Busybox
machine.
 
Please let me know if I need to supply more details.
 
- Ken Shelby
 
ken DOT shelby AT siemens-enterprise DOT com
 
 
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