[mpls-linux-general] iptables command not working

[Itrat R. Q. <iq...@cc...>]

When I run the following command

./iptables -A OUTPUT -d 172.16.134.36/32 -j spec_nh --spec_nh 0x8847:0x2

I get the error

Unknown arg `spec_nh'

your help required.