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So in one of my setups i have this modem/router sharing an xDSL connection through router#1 (192.168.1.1) and connected to it are 4 CPE510s in total in AP, CL configuration and another 2 routers (#2, #3) serving 2 remote locations as shown below:


- LAN cable 2: CPE510 (AP#1-192.168.1.21) <<--->> CPE510 (CL#1-192.168.1.22) <-> router#2 (eWAN 192.168.1.20 / LAN 192.168.2.1)
- LAN cable 3: CPE510 (AP#2-192.168.1.31) <<--->> CPE510 (CL#2-192.168.1.32) <-> router#3 (eWAN 192.168.1.30 / LAN 192.168.3.1)


The links work brilliantly, internet is served with no issues in all locations however I can't seem to be able to access servers (ftp/smb) running on either subnet from a neighbouring subnet. For example:


Router#2 has a samba server setup and running on 192.168.2.100. Being behind router#3 from IP 192.168.3.20 in connecting to 192.168.2.100 i get a connection timeout. Running a traceroute from 192.168.3.20 towards 192.168.2.100 yields:


1 192.168.3.1 (192.168.2.1) 0.840 ms 0.538 ms 0.494 ms (router#3)
2 192.168.1.1 (192.168.1.1) 4.412 ms 2.606 ms 2.580 ms (router#1)
3 192.168.1.22 (192.168.1.22) 5.821 ms 4.684 ms 4.488 ms (CPE510_CL#1)
* * *


which i translate as the request stopping at client CPE (CL#1) as shown in the diagram above.


Pings also don't go through as well as any other service. How can I go about letting traffic go through so that I can access servers and services running behind each of the different subnet?


Any hints / tips appreciated.

P.S: I tried setting up static routes rules to no avail. (i.e. bypassing the central route 192.168.1.1 and going straight from 192.168.3.1 to 192.168.2.1 which surely works, yet it's still terminates at the CPE_client level and just hangs there, similarly to what I've shown above).