[mpls-linux-general] output: invalid ???

[hoangthanh19 <hoa...@sa...>]

I have complied mplsadm2 successfully.
But when I run some example commands (on file mplsadm-usage), it fail =
and the output like this.
./mplsadm2 -A -l gen:16:0=20
    -->Label Space:invalid
./mplsadm2 -A -O -0
    -->key 0x00000000
        Out Segment add : Invalid argument
./mplsadm2 -O 0x00000000 -o push:gen:eth0:ipv4:10.70.75.2
    -->Out Instr: Invalid argument
And in the directory /proc/net/ there is not directory mpls_*.
I have one PC and one Ethernet Card (ip address 10.70.75.1). Do I have =
to install on 2 PC (connected) to run these command successfully? Or it =
was faild by another reason?
I don't know if I can find something like error log in mplsadm to find =
out the reason of these output error ?
Thanks you very much.