Help routing LAN to LAN - Router Forums
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post #1 of 11 (permalink) Old 05-25-2009, 02:11 PM Thread Starter
 
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Unhappy Help routing LAN to LAN

Hey dudes and dudets. i have a simple question regarding connecting 2 LANs using 2 Cisco 1841 routers. Each Lan consists of 1 switch and 1 pc. so i got my network into this topology: pc1-switch1-router1-router2-switch2-pc2
i added a serial interface to each router to connect router to router by serial. also each router has an ethernet port. 1st router ether net IP is 192.168.1.1 255.255.255.0. and so the 1st pc is:192.168.1.2 255.255.255.0
192.168.1.1. 2nd router ethernet IP is 192.168.2.1 255.255.255.0, and so the pc2 is: 192.168.2.2 255.255.255.0 192.168.2.1. between router to router, i put the network of 192.168.3.0. i then made a router from 1st router serial to second router serial: ip route 192.168.3.1 255.255.255.0 192.168.3.2. and vice versa for both way packet transfer. when i try to ping from 1st pc to second pc, it gives me destination host unreachable. any clues anyone?

P.S: when i ping from pc1 to router 1, it works. when i try router 1 to router 2, it works. when i try router 2 to pc2, it works! but y from pc 1 to pc2 it doesnt???

Thanks for any replies!!!
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post #2 of 11 (permalink) Old 05-25-2009, 02:38 PM
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Sorry, but this isn't a forum for THAT kind of router. This is a woodworking router forum, not a LAN/internet router forum.

Not saying someone here can't help you though...
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post #3 of 11 (permalink) Old 05-25-2009, 02:49 PM
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hi Paulo, as our poster said from a dude to a dude, hahahahahahahha i think you need to ping to a pong , according to Harry and Bobj. dudes and dudettes?????? i wish i were more computer literate, but not sure i want to be in the dude and dudette forum, lol

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post #4 of 11 (permalink) Old 09-24-2009, 10:20 AM
 
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Hey, I signed up for this forms thinking network routing to, sorry i can't help but i am off to find a network routing form
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post #5 of 11 (permalink) Old 09-24-2009, 11:02 AM
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You are trying to route a non-routable IP segment, and what the others said this forum is for wood routing.
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post #6 of 11 (permalink) Old 09-24-2009, 04:57 PM
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Change your router settings from adhoch to infrastructure and you can access pc to pc via your router ( I think ).
Sounds like you just have a setting out of whack...
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post #7 of 11 (permalink) Old 09-24-2009, 06:54 PM
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Quote:
Originally Posted by Mrclass View Post
i then made a router from 1st router serial to second router serial: ip route 192.168.3.1 255.255.255.0 192.168.3.2.
Here is your mistake. The two serial interfaces are on the same network, they don't need a route. Just like your pc can ping anything else on 192.168.1.x without needing a route.

Here is the correct answer:

PC 1: Default Gateway : 192.168.1.1
PC 2: Default Gateway : 192.168.2.1

You have a choice here:

1)
Router 1 add route:
192.168.2.0/24 via 192.168.3.2
Route 2 add route
192.168.1.0/24 via 192.168.3.1

or
2)
Router 1's default gateway = 192.168.3.2
Router 2's default gateway = 192.168.3.1
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post #8 of 11 (permalink) Old 09-24-2009, 07:00 PM
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Quote:
Originally Posted by jd99 View Post
You are trying to route a non-routable IP segment, and what the others said this forum is for wood routing.
What do you mean route a non-routable IP segment? That is what a network router is for. You define the networks it can reach. So if you have control of the router, you make the route reachable by adding the routes or using a dynamic routing protocol. Only time something is not reachable is if the router dies, there is no link to the destination network, or the destination is dead/off.
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post #9 of 11 (permalink) Old 09-25-2009, 06:06 AM
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And it's all a moot point now, as the OP asked back in May, and has never been back.

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post #10 of 11 (permalink) Old 09-25-2009, 07:59 AM
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It is important to remember that the proper routing protocol is to first route across the grain, then with the grain, then across the grain, then with the grain.

Triton 2.25 router; CMT Industrio table; Jointech fence; SC planer; Dewalt miter; Delta 14" bandsaw; Festool TS55, MFT/3, CT22, ETS150/3, OF1400, PSB300EQ; Dewalt Scrollsaw; Lathes: Nova DVR XP, Delta 46-460; JJ-6CS jointer, Ridgid OSS; Grizzly 1023s cabinetsaw
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