mpls linux???

hello;
i m trying to install mpls linux in fedora 5. so i recompiled the kernel. the compilation is successful.the commandes mpls nhlfe..., mpls ilm.., etc are known so mpls is working well.
but when i try the commande like
#mpl mhlfe add key 0instructions push gen 1000 nexthop eth0 ipv4 10.10.10.2
i always have the following error:
RTNETLINK ANSWERS: no such file or directory
the interfaces's config is correct. and i'm using vmware
is there anyone who have had the same problem?
how can u do? please help me!!

How do you resolve this problem?
Could you tell me?
Thank you very much.