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doctorgpd
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Joined: Tue Mar 23, 2021 12:34 pm

Routing between two subnets

Tue Mar 23, 2021 12:54 pm

Hi all, I have been following your conversations for several months and now i'm her for the first post. :)

I have changed some configuration in my home/office and now i've a problem with subnetting that i hope to revolve with your help.

I have two subnet : 192.168.0.0/24 (Router Mikrotic) and 192.168.7.0/24 (Router TpLink Archer 6) linked to another subnet 192.168.1.0/24 (Router Fritzbox). This last one in linked to Internet.

This is approximately the schema :

| Subnet Mikrotik | Ip Gateway Mikrotik | Ip Mikrotik on FritzBox
192.168.0.0/24 --> 192.168.0.254 -->x<-- 192.168.1.2 -->
| --> Fritz!box --> Public IP --> Internet
192.168.7.0/24 --> 192.168.7.254 -->x<-- 192.168.1.7 -->
| Subnet Archer | Ip Gateway Archer | Ip Archer on FritzBox

Both subnets right access to internet but while the 192.168.7.0/24 (Router TpLink) look correctly the devices on the subnet of 192.168.0.0/24 (Router Mikrotik), the devices on 192.168.0.0/24 (Router Mikrotik) doesn't access right to devices on the subnet 192.168.7.0/24 (Router TpLink).

I think that is a problem of firewall because the tracert from the subnet 192.168.0.0/24 (Router Mikrotik) to 192.168.7.0/24 (Router TpLink) work correctly while the access to services ports (80, 22, 8181, ecc) fails. This is the command executed on OSX.

traceroute to 192.168.7.100 (192.168.7.100), 64 hops max, 52 byte packets
1 192.168.0.254 (192.168.0.254) 3.978 ms 0.484 ms 0.361 ms
2 192.168.1.1 (192.168.1.1) 1.221 ms 0.818 ms 0.624 ms
3 192.168.7.100 (192.168.7.100) 2.324 ms 1.380 ms 1.001 ms

Thanks in advance who help me with this problem.

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