Connect for Two different series ip

March 4, 2010 at 19:27:44
Specs: Windows 7
I want to connect series to series How to connect this.How many routers required for this connection and how to cnfigure this?


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March 4, 2010 at 21:03:47
You need no router, if you simply change the subnet mask from to
So the network range is: to

Or you use a subnet mask of
In that case, the network range is in your case: to

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March 4, 2010 at 21:30:18
could you use the same way to connect some computers (or
resources) from different network segments? for example if i
want to create a guest network but i only want to let them use
network printers and not to have access to computers.
Thank you

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March 4, 2010 at 21:40:05
No, except, you have a special set of printers, that are only for a special group of users.
Lets say, users of group A are in network 192.168.0.x.
Lets say, users of group B are in network 192.168.1.x
Lets say, printers used by both (group A and B) are in network
In this scenario, it's not possible, because the subnet mask must be choosen, so that both, group A and B can access the printers. In that case, they can also access all the workstations in the network.

If you separate some printers for group A and another set of printers for group B, you can, but in that case, you can put the printers directly in the network of the group and don't have to put them in a separate subnet.

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March 4, 2010 at 21:54:43
i was thinking what if i only change subnet mask for printer and
segment B only? or it is impossible to have a different subnet
on the same segment?
Or may be there is a way to create a custom route to the printer in the routing table of the router to link to printers ip?
thank you

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March 5, 2010 at 08:26:53
You can build a custom route to a network device (router), that can access the ip range of the workstations as well as to the range of the printers.

But a custom route to a printer, that is not part of your network range, will not function without a device like a router or another pc or server, that has access to both networks.

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March 5, 2010 at 10:50:23
i am planning on using router for the guest segment, i just not
sure about how to set up the rout to printer,
should i create a dummy address on guest network and tell
router to rout it to the printers ip? do u know any resources on
how to set up routes, just the main concepts or anything?
Thank you

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March 5, 2010 at 11:04:52
You are stuck on ip. Instead, this is a case for vlans.
This requires a managed switch in addtion to a router.

Printers would be in both the guest and private vlans. The private and guest vlans would never touch each other.

You can do this all in the same ip subnet.

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March 5, 2010 at 11:12:48
At the windows machine, you can use the command route at the CMD command line, to add a new route.
Assuming that your network for workstations is
Assuming that your network for printers is
Assuming that the router, that is connected to both networks and properly configured for that has the ip address
Assuming the printer has the ip address

The route has to be set as follows:
route add mask

The command route can be used with /? to get help on how to use it.

route print
gives you a list of active routing entries.

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March 5, 2010 at 21:03:44
thank you everybody for the clues!
i'll try it next week.
sorry, if i come back with more questions :)

oh, by the way, if i add a wireless router to the network, can i
keep wlan on the same ip range? i am guessing i'll have to
change routers ip so default gateway wouldn't point to itself
or it is impossible with conventional routers? i had same
situation before, but i didn't have enough time and your clues
to get it to work, ended up with 2 segments.

Also, if somebody know a good book or saw a good article
on routing concepts?

Thank you

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March 6, 2010 at 06:06:43
You may first look at for routing.
At the bottom of the page, there are mostly several links to other articles about routing and routing protocols.

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April 1, 2010 at 20:52:34
i think i found a solution for guest network segment:
i will add 2nd nic on one of pc in main network and put a
wireless router on it.
this way i should be able to share all the network printers on
this computer, so people from guest segment could access
them and have internet too.
should this work?

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April 1, 2010 at 21:29:08
Very bad idea. You need to understand vlan security. Supernetting as paulsep recommends adds a broader ip plan but does not address security of seperating the guest network and the private network.

I see no understanding of vlans from your responses.

Your solution does not address your access or security issues.

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April 13, 2010 at 19:50:06
U need to understand that i have no control over main
network and i don't even know who set it up, and last of all -
they don't want to change anything. So, i was trying to add
to it without changing it :).
So, here is what i did:
-added 2nd nic to one of pc and set it to 2nd segment ip
-added w-router
- 2nd ip range
- WAN connected to main segment
- connected 2nd nic to router
- shared needed printer on that pc

and it worked.

i never thought it will end up this way
it seemed to be a cheapest and non-invasive solution at the
moment. i may gonna change it later, if they ask me.

so, what do u think?

Thank you,

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April 13, 2010 at 21:52:16
Hey great! So guests on the wireless network can print to the wired network printers?

If so, what is stopping then from connecting to one of the shares on a work pc?

Did management also ask you to make sure the company lan was also secure? Does the company do payroll? Billing of any kind?

how about telling me what the company network is connected with, what kind of switch and how many?

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April 14, 2010 at 07:56:23
U need to understand that i have no control over main network and i don't even know who set it up

Ok, this is rather important information and the kind of thing you need to post at the outset, not in your last post. We're not mind readers and both Paul and Wanderer have given you good advice based on what you told them.

and last of all - they don't want to change anything. So, i was trying to add to it without changing it :).

Considering what you said above, the next big question is, "How the heck can you add something if you can't make changes!?!?!?"

I'm afraid the two statements are contradictory. Either you can make changes or you can't and if you can't, then you can't add a guest network.

I suggest you talk to the person who can make changes and get them to create your guest network. If you'll pardon me for being blunt, you're obviously not qualified to do this in the first place so I have to wonder why you don't just get whomever is (ie: the person that set your network up to begin with) to add the guest network.

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April 16, 2010 at 15:21:30
Why do u think it is not going to work?
Both networks have different ip range and with subnets.

Thank you,

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April 16, 2010 at 16:46:41
why do you think two different subnets with routes between them is secure? It's not.

In fact, if it is working, you just unsecured your company's network.

A "guest" network has to be seperate from the company network and you have not accomplished this but just the opposite.

I just hope you don't lose your job over this.

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April 16, 2010 at 19:21:18
i guess, i didn't describe it very well, i wish i could post a
picture with sketch.
When i tested it, i was only able to connect to shared pc with
second nic, which is part of guest ip range.

i will try to use subnet mask to test guest
network, to see if i could get through to the main network. I
think my internet wouldn't work since 2nd router on subnet range and 1st nic on shared pc isn't
sharing internet connection.
Thank you

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