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cups relaying remote broadcasts to a local subnet



Everyone,

I posted a request last week that I am still not able to solve.  I am
unable to broadcast cups remote printer information to a local subnet
that is different than the external network card.  

In looking at the cups examples I have not seen any example of this
capability so I am wondering if anyone else has made this work or is
this a design limit of cups.  

Here is the example ip address obviously have been changed

"Remote A" 70.69.68.67     <->     "Remote C" 64.35.30.18

"Remote B" 64.70.99.20     <->     "Remote C" 64,35,30,18


Remote A is a two ethernet card gateway to a local network
Remote B is a one ethernet card gateway to a local network
Remote C is a two ethernet card gateway to a local network

Remote B has only one card because it is attached to an isp's router
that has NAT translation to a local subnet of 10.0.0.0

I am able to get broadcasted printer information into the local network
of Remote  B, but not Remote A or Remote C.  The difference obviously
being the fact that A and C have an internal and external ethernet
cards.

When I look at the examples on the cups documentation or ESP
documentation I have not found any examples of a two network card
machine broadcasting to an internal subnet different than the external
subnet.  There are examples of broadcasting to an internal subnet that
has the same subnet as the external card.

I would like to know if any of you have been able to make cups broadcast
remote printer information to an external ethernet card and then through
the internal ethernet card using a different subnet for a local network.
If this is possible I would sure like some help.

Thanks,

Greg Ennis
 


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