Print from router LAN to WAN side printer

Belkin N+ wireless router
September 23, 2010 at 09:49:19
Specs: Windows 7
There is a configuration of cascading routers of the flavor described as version 2 of this existing article: http://www.computing.net/howtos/sho...

The question is this: how do the setup needs to change so that a computer connected to LAN side of Router 2 can print to a printer connected to Router 1 LAN side? In other words, how can a computer on the LAN side of a router can print to a printer on the WAN side of the router?
This probably has to flavors:
- is network discovery of the printer possible (if yes, printing is easy after add printer form discovered list)
- if not, should it work at least for adding printer by specifying (static) TCP/IP of printer?

Note: all connections are wired with patch cable.


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#1
September 23, 2010 at 10:22:51
Refering to the description of CurtR, both routers are in the same subnet and use the same path to the WAN side.

A network printer, server and every device, providing services for other users, should always configured with a static ip address.

Then you have to add the printer to the workstation:

1. Click START, SETTINGS, PRINTERS
2. Click Add Printer to start the Add Pritner Wizard
3. Click Next
4. choose Local Printer
5. click Next
6. select Create New Port, Standard TCP/IP Port
7. click Next
8. enter the Printers TCP/IP address
9. click Next
10. click Finish
11. choose you Printer Manufacturer and model, to install the printer driver

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#2
September 23, 2010 at 10:31:32
Please note that Version 2 of the config (down the page) has the WAN side of Router 2 connected to LAN side of Router 1, cascading routers, so they are on different subnets I think.

How can a computer connected then to LAN side of Router 2 access a printer connected to a LAN side of Router 1, any specific setups to do on Router 2?


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#3
September 23, 2010 at 11:12:38
Usually there is no issue printing to a upsteam printer. The problem is printing to a downsteam printer since there is no gateway entry to the router2 subnet.

Metru have you tried to do what Paulsep suggested?


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#4
September 23, 2010 at 11:21:50
In this configuration, router 2 WAN is part of router 1 network.
Therefore, you should be able to ping the router 1 (192.168.0.1) from a computer connected to router 2 (ip range 192.168.1.x / 255.255.255.0).

If this is possible, you can also access a printer in this way, descibed above in #1.

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#5
September 23, 2010 at 13:01:57
First, thank you all for replying so quickly.

I tried adding the printer on Router 1 LAN through its static IP address using the TCP/IP add printer feature on a computer on Router 2, before first post, but it did not work. It was not an issue of driver as the printer was discovered and worked just fine when computer was plugged in directly in Router 1.

Please take a look at the last paragraph in the post by CurtR saying:
"Once setup and working properly, the 192.168.1.0/24 LAN will have internet access, connectivity with anything else plugged into Router2 but will not have access to anything plugged in to Router1. The reverse is true also, computers plugged into Router1 will have internet access and LAN access to devices plugged into Router1. But they will not have access to anything plugged into Router2."

I think that I am experiencing exactly what CurtR mentioned and I was hoping to find out how the setups on Router 2 could be done slightly differently exactly as not to run into problems accessing stuff plugged into Router 1, as the printer is.
Disabling the firewall on Router 2 did not help, and the ping to printer IP address fails.


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#6
September 23, 2010 at 13:10:34
Keep in mind, that there is a firewall running between the LAN and the WAN port on a router.

Is there any hint in the log of router 2, that there is something blocked, concerning the ip printing?

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#7
September 23, 2010 at 13:32:39
What is the result of pinging the printer in the router1 lan from the pc in the router 2 lan?


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#8
September 23, 2010 at 13:43:09
Initial details on the latest are already in post #5:
- Ping fails from computer connected to LAN of Router 2 towards printer connected to LAN of Router 1.

Everything works on computer otherwise with respect to Internet: browsers, Outlook, etc.

Not sure ping needs to succeed for printing to work, have another computer connected to Router 2 LAN from which printing works to same printer, but ping also fails. Printer there was also mapped through same static TCP/Ip address of printer.

Computer (Computer 1) on LAN of Router 2 that still has printing not working has Windows 7 64-bit, the one on same router that works has Vista 32-bit.


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#9
September 23, 2010 at 14:26:37
So in general, the network and printing is working.
The problem isn't the network but the computer running windows 7.
What's about the event log on the Wndows 7 computer? Any hints shown in there?

The original poster should always write the last response !!!
Let us know, if the problem is solved !!!


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#10
September 23, 2010 at 15:08:19
Also sounds like the ping failure may be due to the 2nd router is set to not respond to icmp packets [ping]
Might want to check that aspect of the routers config.

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#11
September 23, 2010 at 17:08:03
Everything works now, including ping.
Did all the settings on router 2 again after a reset to factory. Tried and kept different LAN address, and also reduced lease time down way down from Forever.
Thanks again everybody.

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