Re: [lwip-users] PING request not answered

[Mike Kleshov]

2009/8/28 Alexandre Malo <address@hidden>:
> I tried to put three gateway on the uC (which doesnt reply)
>
>      127.0.0.1
> and None. ( I tought none would put a good default address...)
> and the uC own ip address
> and 255.255.255.255 (Broadcast)
>
> I tried the following mask on the uC
>
>        255.255.255.0
> and  255.255.255.255
>
> Of course if I put my comp and the uC in the same subnet, the ping work...
>
> Alex

Perhaps you should read about routing in IP networks. A gateway is a
device with access to both subnets. It accepts packets from one subnet
in forwards them to the other.
Is there a reason why you are trying to put the PC and the MCU on
different subnets?