[mpls-linux-general] problem with iptable rulesets

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Thanks a bunch James and Pierre Ansel but unfortunately my problem is not over 
yet, here is the output from "./iptables -t filter -L" at my ingress

Chain INPUT (policy DROP)
target  prot  opt  source      destination
ACCEPT  tcp   --   anywhere    172.16.134.36
ACCEPT  udp   --   anywhere    172.16.134.36
ACCEPT  icmp  --   anywhere    172.16.134.36
ACCEPT  tcp   --   anywhere    bf01 (localhost)
ACCEPT  udp   --   anywhere    bf01
ACCEPT  icmp  --   anywhere    bf01

Chain FORWARD (policy DROP)
target  prot  opt  source      destination
ACCEPT  tcp   --   anywhere    172.16.134.36
ACCEPT  udp   --   anywhere    172.16.134.36
ACCEPT  icmp  --   anywhere    172.16.134.36

Chain FORWARD (policy ACCEPT)
target  prot  opt  source      destination
spec_nh all    --   anywhere    172.16.134.36   set spec_nh 0x8847:0x00000002

Now when I ping 172.16.134.36 and do "tcpdump -xvp -i eth2" at the ip 
interface at the ingress I get nothing but when I abort tcpdump I get the 
response

# of packets received by filter
0 packets dropped by kernel

where # is the number of packets received by the filter. If the packets are 
being received by the filter how come I don't get to see the output and 
neither are the packets being forwarded onto the MPLS interface.

Need your kind assistance once again. 