Routing over Gateway












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I have a very basic question about a routing issue I have right know.



So my central server with the ip 10.0.0.1 of my own network is the router for the ip net 10.0.0.0/25.
On the client 10.0.0.100 I have a WiFi connection to an access point which serves the ip net 172.20.10.0/25.



How is it possible that I can add a route to 10.0.0.1 so all clients of the 10.0.0.0./25 network can reach the 172.20.10.0/25 network?





What I have tested so far (ipv4 forwarding and iptables masquerading has been taken care for):



Adding the a route on 10.0.0.1 like



route add -net 172.20.10.0 netmask 255.255.255.128 dev br0


makes it possible on 10.0.0.1 to reach the 172.20.10.0/25 network, but thats it. A traceroute from any other client shows that the requests gets stuck at 10.0.0.1 and therefore they can not reach the other network until I configure the same route on all of them individually. But this contradicts the idea of 10.0.0.1 being the gateway.



The routing table of 10.0.0.1 after using the above noted command looks like this:



Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 <WANIP IS HERE> 0.0.0.0 UG 0 0 0 eth0
10.0.0.0 0.0.0.0 255.255.255.128 U 0 0 0 br0
<WANIP IS HERE> 0.0.0.0 255.255.255.252 U 0 0 0 eth0
172.20.10.0 10.0.0.100 255.255.255.128 UG 0 0 0 br0


What am I missing here?



Thank you very much for your time and answers to this probably very silly issue!









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    I have a very basic question about a routing issue I have right know.



    So my central server with the ip 10.0.0.1 of my own network is the router for the ip net 10.0.0.0/25.
    On the client 10.0.0.100 I have a WiFi connection to an access point which serves the ip net 172.20.10.0/25.



    How is it possible that I can add a route to 10.0.0.1 so all clients of the 10.0.0.0./25 network can reach the 172.20.10.0/25 network?





    What I have tested so far (ipv4 forwarding and iptables masquerading has been taken care for):



    Adding the a route on 10.0.0.1 like



    route add -net 172.20.10.0 netmask 255.255.255.128 dev br0


    makes it possible on 10.0.0.1 to reach the 172.20.10.0/25 network, but thats it. A traceroute from any other client shows that the requests gets stuck at 10.0.0.1 and therefore they can not reach the other network until I configure the same route on all of them individually. But this contradicts the idea of 10.0.0.1 being the gateway.



    The routing table of 10.0.0.1 after using the above noted command looks like this:



    Kernel IP routing table
    Destination Gateway Genmask Flags MSS Window irtt Iface
    0.0.0.0 <WANIP IS HERE> 0.0.0.0 UG 0 0 0 eth0
    10.0.0.0 0.0.0.0 255.255.255.128 U 0 0 0 br0
    <WANIP IS HERE> 0.0.0.0 255.255.255.252 U 0 0 0 eth0
    172.20.10.0 10.0.0.100 255.255.255.128 UG 0 0 0 br0


    What am I missing here?



    Thank you very much for your time and answers to this probably very silly issue!









    share







    New contributor




    Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      0








      0







      I have a very basic question about a routing issue I have right know.



      So my central server with the ip 10.0.0.1 of my own network is the router for the ip net 10.0.0.0/25.
      On the client 10.0.0.100 I have a WiFi connection to an access point which serves the ip net 172.20.10.0/25.



      How is it possible that I can add a route to 10.0.0.1 so all clients of the 10.0.0.0./25 network can reach the 172.20.10.0/25 network?





      What I have tested so far (ipv4 forwarding and iptables masquerading has been taken care for):



      Adding the a route on 10.0.0.1 like



      route add -net 172.20.10.0 netmask 255.255.255.128 dev br0


      makes it possible on 10.0.0.1 to reach the 172.20.10.0/25 network, but thats it. A traceroute from any other client shows that the requests gets stuck at 10.0.0.1 and therefore they can not reach the other network until I configure the same route on all of them individually. But this contradicts the idea of 10.0.0.1 being the gateway.



      The routing table of 10.0.0.1 after using the above noted command looks like this:



      Kernel IP routing table
      Destination Gateway Genmask Flags MSS Window irtt Iface
      0.0.0.0 <WANIP IS HERE> 0.0.0.0 UG 0 0 0 eth0
      10.0.0.0 0.0.0.0 255.255.255.128 U 0 0 0 br0
      <WANIP IS HERE> 0.0.0.0 255.255.255.252 U 0 0 0 eth0
      172.20.10.0 10.0.0.100 255.255.255.128 UG 0 0 0 br0


      What am I missing here?



      Thank you very much for your time and answers to this probably very silly issue!









      share







      New contributor




      Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I have a very basic question about a routing issue I have right know.



      So my central server with the ip 10.0.0.1 of my own network is the router for the ip net 10.0.0.0/25.
      On the client 10.0.0.100 I have a WiFi connection to an access point which serves the ip net 172.20.10.0/25.



      How is it possible that I can add a route to 10.0.0.1 so all clients of the 10.0.0.0./25 network can reach the 172.20.10.0/25 network?





      What I have tested so far (ipv4 forwarding and iptables masquerading has been taken care for):



      Adding the a route on 10.0.0.1 like



      route add -net 172.20.10.0 netmask 255.255.255.128 dev br0


      makes it possible on 10.0.0.1 to reach the 172.20.10.0/25 network, but thats it. A traceroute from any other client shows that the requests gets stuck at 10.0.0.1 and therefore they can not reach the other network until I configure the same route on all of them individually. But this contradicts the idea of 10.0.0.1 being the gateway.



      The routing table of 10.0.0.1 after using the above noted command looks like this:



      Kernel IP routing table
      Destination Gateway Genmask Flags MSS Window irtt Iface
      0.0.0.0 <WANIP IS HERE> 0.0.0.0 UG 0 0 0 eth0
      10.0.0.0 0.0.0.0 255.255.255.128 U 0 0 0 br0
      <WANIP IS HERE> 0.0.0.0 255.255.255.252 U 0 0 0 eth0
      172.20.10.0 10.0.0.100 255.255.255.128 UG 0 0 0 br0


      What am I missing here?



      Thank you very much for your time and answers to this probably very silly issue!







      linux routing route





      share







      New contributor




      Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










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      Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






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      asked 2 mins ago









      Daniel MessnerDaniel Messner

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      New contributor




      Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Daniel Messner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






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      Check out our Code of Conduct.






















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