Baypass request from eth1 to eth0

[yogesh at banasdairy.coop]

hi all

i have a fire wall which has two ethernet
one
eth0=10.1.1.26(local)
eth1=210.222.145.227(internet)

i connect local pc to the eth0.

than i want some host-172.16.1.54(external) want to connect to 10.1.1.33.

so what can i do. i got request for 10.1.1.33 from 172.16.1.54 at eth1 but
it can not reach to the eth0;.

also i am able to access 172.16.1.54 from my local lan.but from
172.16.1.54 i am not able to connect to my local network.

i get ping 210.222.145.227 from 172.16.1.54 but not able to ping 10.1.1.26

so can any one help me .also the pc.172.16.1.54 is on ather lan he is
connect to other router.so it gate way is also different.




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