One printer two networks, use NAT?

[morinookuni123]

I have been doing contract work for a sister company to the one I work to. They can only get DSL AT&T connections at 25 mbps with each modem. They got 3 modems which are set up like this.

Router 1: Static IP addresses for fire system, security DVRs, production machines, etc etc

Router 2: connected to cisco 2811 router, from router to cisco 2960 switch and from there spreads throughout the building to the wallplates. The LAN IP addressing on this is 192.168.2.1

Router 3: does not connect hard line to anything, it is strictly WIFI 2ghz only. The IP addressing scheme on this is 192.168.1.254

They recently just got a new canon printer and connected it to a wallplate so that put it on router 2, but anyone on wifi (router 3) can not see or connect to the printer so I am trying to figure out how to get both LAN networks to see the printer. This is the setup I am using so far

I am currently using NAT with router 2 (on the 2811 router) to talk to the outside world because the DHCP is on the 2811 router instead of the AT&T modem. I have also put in so NAT routes to the public IP address for router 3 to get the printer to connect. I can ping from router 2 LAN network to the router 3 LAN network but I can NOT ping from router 3 to router 2 network.

With my NAT configurations I specifically used:
permit IP tcp any any
IP route 0.0.0.0 0.0.0.0 192.168.2.5
Permit ICMP any any
( I used the any any in a act of desperation to get it working, I do plan on changing these)

I am not very good with NAT but given enough time I can figure it out but I spent about 2 days on this and cant seem to get it. Does anyone know the NAT commands for 2811 router that I should use? is there a better way to connect the printer to both networks?

 

[Ralston18]

Two things:

1) Full disclosure - going out of my own comfort zone....

2) Not sure that I am correctly visualizing your network's layout. A labeled diagram (sans private IP) would help I think.

That said, I did some googling and found the following link that seems to match your environment.

http://www.dummies.com/programming/networking/cisco/setting-up-network-address-translation-nat/

Reference the diagram provided and the command structures in the text.

Use the diagram as a model or template for your network and modify as appropriate.

May help you figure out what commands you need via the 2811 router etc..

If not post your diagram and someone may be able to add other comments or ideas.

[Sidebar: I always feel awkward referencing a "Dummies" link. Please do not take offense - none is intended.]