Can't ping devices in a subnet

[SpoonOverlord]

Hi,

   I'm a student, and I have a small project for my exam where I need to make an infrastructure with only four clients. I found a way to make a load balancer between two web servers (subnet 3). But before the load balancer, I noticed that I'm unable to ping a server in the subnet 3 from the subnet 2 or 1. But I can ping between subnet 1 and 2 without any problem. Do you have any idea where I made a mistake? It may be dumb, I really don't know.

I put my .pkt file in attachments. As for now, there is absolutely no passwords on switches and routers. I'll add them later when this problem will be fixed.

Thanks

[Mohsin Alam]

Easy way to fix this is to go in simulation mode and ping from 1 to 3 and follow the packets by opening and looking at where they getting dropped for what reason and make the necessary changes! 

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[Georg Pauwen · Accepted solution]

Hello,

there is no routing on either router. Add the static routes below:

R2
ip route 192.168.1.0 255.255.255.248 192.168.2.1

R1

ip route 192.168.3.0 255.255.255.248 192.168.2.3

Attached the revised file.

[SpoonOverlord]

Thanks you, your solution fixed the problem

Have a nice day