[Discuss] CUPS Remote Printer

[Murray Strome]

Ray L. Bon wrote:
> On Sat, 15 Mar 2008 13:50:11 -0700
> Murray Strome <wmstrome at shaw.ca> wrote:
>
>   
>> My main printer is an Okidata OL600e B&W LED printer which is
>> physically connected to my wife's printer.  Through new installs,
>> upgrades, etc. I have never really had to do much to have it
>> accessible to all my computers.  However, since re-installing Kubuntu
>> on my wife's computer, I cannot no longer access it.  I imagine that
>> it has something to do with my ability to access her computer. I have
>> not changed any settings in my routers. The simplified configuration
>> is:
>>
>>
>>     --------                   ---------------          ----------------
>> ---| router|------------------|  Computer 1  |----------|Okidata Printer|
>>    |       |-----              ---------------           ----------------
>>    --------     |       
>>            --------------      ---------------
>>            |  router #2 |------|  Computer 2 |
>>            --------------      ---------------
>>                              
>>
>> Of course, there are other computers connected to router & router 2,
>> and other printers on both Computer 1 and Computer 2. The first
>> router is connected to a cable modem box, then to Shaw cable.
>>
>> All the computers used DHCP to get their addresses, as do the
>> routers. I have changed Computer 1 to fixed address (one the router
>> originally assigned to it), but that did not make any difference.
>>
>>  From Computer 2, I can ping router or Computer 1 (or anything else 
>> connected on that router) from Computer 2. I can ping router 2 from 
>> Computer 1 using the address "leased" to it by router, but I cannot
>> ping to Computer 2 from Computer 1.  I can connect to the internet
>> from everywhere without any problem.  If I try to add a network CUPS
>> printer in Computer 2, it cannot access Port 631 on the address
>> assigned to Computer 1 by router.
>>
>> As mentioned, I really did not have to do anything after previous 
>> reinstallations to have access to all the printers on all the
>> computers from every computer.  I don't know what has changed. I seem
>> to remember some security advice a while ago which recommended that
>> UPNP should be disabled, which I did on both routers, but CUPS was
>> still working OK long after I did that.
>>
>> Any suggestions?
>>
>> Thanks.
>>
>> Murray
>>
>>     
> could it be as simple as sharing the printer?
>   
No -- I set it up to be shared.  Wow, did my attempt at a diagram mess 
up! Hope it is better here.

Murray