Networking problem ? how to put three devices Closed

Question

Hello,
PC 1 ip address 192.168.1.5
sub-net 255.255.255.0
default gateway 192.168.1.1

PC 2 ip address 192.168.15.2
sub-net 255.255.255.0
default gateway 192.168.15.1

Printer Hp 8150 ip address 192.168.1.100

Both pcs and printer are attached to the integrated switch ports of a BT router.
both pcs are able to use the printer............how pc2 can access printer while residing on differrent network.
when i change the ip address of pc2 to the same network as printer pc2 stop printing.......
Anyone please explain ...
how can I put all three( pc1 , pc2 and printer in same network so both pc can access to the printer and also communicate with each other.
Both pcs are set to obtain ip address automatically.

PC 1 VISTA PC2 XP

Would be very grateful for your pro help and advice.

thanks in advance

CyborgCop · Answer

an easy way to do it.  would be

Have your PC"s be able to communicate with each other

Get the printer to work with one..

Then just share the printer.  As opposed to trying to get it to be on the network; like a computer.. 

Ensure your computers have the same workgroup.

imi6969 · Answer

yes it can be done that way but then the pc attached to the printer must be on alway if other pc want to print.

I am not only looking for viable solution but also wants to know the why.....as mentioned in my original posting

CyborgCop · Answer

assuming your printer has a network port.. Plug them all up into your router.. 

they shouldn't have different addresses entirely.. just the ipaddress of each one should be unique.. but the subnet and gateway should be the same.

imi6969 · Answer

Yes all three are connected in the router as mentioned earlier..........

you know what are u talking about.........or its me who is not able to "take" sense out of it.

I think all three devices should be in same SUB NET (of course with differrent ip addresses in that SUB NET ) , they should have same  identical gateway, ...and after that both pcs should be able to ping each other and also access the printer......which is not the case .......why  why

CyborgCop · Answer

my question would be.. where are you getting the gateways from.. for the different computers.. 

If you have 2 dhcp's active.. that will mess with things.. How about just setting up everything as static.. and see if that works for ya.

imi6969 · Answer

I ve tried by placing all threre devices in that same subnet 192.168.1.0 , by asigning the ip addresses to  pcs statically but   fot some starnge reasons pc 2 stop accessing the printer.

How to disable DHCP.... do I need to diable at the router?

CyborgCop · Answer

yea..

CyborgCop · Answer

hmm.. i hope I didn't just disable your computers..

when you go to static.. You need to know your router info.. I usually just follow with "whatever" dhcp would've given me.. B/C all the address have to match up for it work.. 

Your Router has 2 IP address's

The One it's uses on your network (internal)
And an external one that it uses connecting to outside.. 
It's like a wall..  

Anyways..

If you've got all your computer hooked to the router.. then the DHCP will hand out addresses based on what's it's told to do.. 

By default it should pass out addresses that will work.  

So..

PC1 should be like
192.168.15.100 or something similar
255.255.255.0 (subnet)
192.168.15.1 (gateway) (the ipaddress of the device it's routing to; in this case your router)

PC2 
192.168.15.101
255.255.255.0
192.168.15.1

Printer
192.168.15.102 
255.255.255.0
192.168.15.1 (might not need or have a gateway)

Router
(internal)
192.168.15.1
255.255.255.0

(external)
66.55.52.90 (essentially it's something totally different; and that's why it blocks everything out)
255.255.255.0 


Anyways, if for some reason everything goes WYRY.. just reset your router and put all your computers back on DHCP.. should clear everything back up.. 

Here's a demo setup.. so.. when I look at your first post.. I think that's really where the problem is.. B/c you have different IP address's and different gateways.. I'm not a professional in networking so I can't tell you why that particular setup works for you.. But I can access your printer/network problem.

imi6969 · Answer

Thanks ....I did not try it yet  but I will let you know .....Thanks once again

Networking problem ? how to put three devices

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