RH6.2:ipx_configure:invalid argument

[mix <mix bgnet bg>]

First, excuse me for my bad English!

I want to run mars_nwe on RH6.2. It worked on RH6.0, but on RH6.2 - don't. 
The problem is IPX. My kernel is compiled to support IPX module:
     IPX protocol: yes
     Internal IPX network: no
But on boot ipx_configure says:
     socket: invalid argument

Either of update RH6.0 (with configured IPX) to RH6.2 or new installation 
of RH6.2 the result is the same.

Please tell me what's wrong.
Thank you in advance.