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               | access point | wi-fi     |   my machine |           | 2-nd machine |
               | | --------- | | Ethernet  |              |
Internet ----  |  |           | | --------- |  |

I have 2 computers:

The 1-st is connected to the Internet through wi-fi interface. Network: default gateway: (IP of the wi-fi access point). It works.

Now I have another machine, connected to mine through the Ethernet interface. Here I have a second network with 2 machines:

  1. mine
  2. other machine: default gateway

ping between the machines works. ping on the 2-nd machine doesn't work.

Now I need to setup the route between the internal and external networks on my machine.

I don't know, what default gateway should I setup on machine for network, because my machine is the default gateway for this network. I tried

route add mask

but it doesn't work.

IPv4 routing table
Active routes:
Network address       Network mask     Default gateway     Interface  Metrics
         On-link    276
    276         On-link    306         On-link    306         On-link    306         On-link    276         On-link    276         On-link    276         On-link    281         On-link    281         On-link    281         On-link    306         On-link    276         On-link    281         On-link    306         On-link    276         On-link    281
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migrated from Jul 7 '14 at 11:54

This question came from our site for system and network administrators.

I suspect you need this: – Evan Anderson Jul 7 '14 at 7:31

2 Answers 2

up vote 2 down vote accepted

Your route statement isn't what you want. The router isn't the gateway for the network (which is what your route statement says-- it's flat wrong).

You'll want to place a route on the wireless router to give it a route to the network via the PC.

You'll also need to enable IP routing on the Windows 7 PC to get it to forward packets.

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I enabled IP routing and rebooted the machine. Also I set as a default gateway for interface. But it still doesn't work. I added the current routing table to my question. – user4035 Jul 7 '14 at 7:50
ok I solved it by adding a route to on the access point, only now understood what you meant – user4035 Jul 7 '14 at 9:49

You must share wireless connection in your machine and set dns in 2nd machine as:

then try to ping as follows:

then ping the ip you obtained from pinging at your machine in the 2nd machine. if you set dns correctly you must get reply in all pings.

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