[CentOS] Routing issue between 2 LANs

[Les Mikesell]

On 12/19/10 12:15 PM, Jose Maria Terry Jimenez wrote:
>
>>
>> First make sure that you can ping/access those 'other' services from the centos
>> box with 2 nics.   It should source from the .236 interface and 'just work'.  If
>> not, you have firewalls or something else blocking traffic.   When you route
>> other traffic from the .1 network, the destination machines need some reason to
>> send the return packets to the 192.168.236.74 address.  You can either add the
>> route to every machine or on the router that is currently their default router.
>>
>
> Thank you Les,
>
> Yes, i can ping/access those 'other' services from the CentOS box with 2 NICs.
>
> I understand that i need, for example in a networked printer in 236. network a 'return' route. I definitely have no access to configure network on every machine in the 236 network (only a few), nor the router...
>
> This can't be solved any other way?

The only other way to get the packets to return to the right place would be to 
use iptables to NAT routed packets to the 192.168.236.74 interface.  If you only 
need to establish connections in one direction, that should work.

-- 
   Les Mikesell
    lesmikesell at gmail.com