Re: [lwip-users] Is it possible to pass ARP requests from the Ethernet to PPPoS?

[goldsimon]

Sturman_1 wrote:
>I use microcontroller and want to connect GSM(PPPos) modem to
>PC(Ethernet)
>via controller. I have read that LwIP can forward ipv4 packets. But in
>order
>to forward ipv4 packets first need a set connection.

That's not how ip forwarding works. Ip forwarding is one hop in a route and 
only may be done between different subnets.
ARP is only required for hosts on the LAN to know where to send the packet.

You either need 2 subnets or NAT to properly achieve what you want.

Simon


>The PC sends an
>ARP
>request and how to make it get an answer. Can I take bytes from the
>receive
>buffer and encode them into the PPP packet? and after send to the GSM
>modem
>
>
>
>--
>Sent from: http://lwip.100.n7.nabble.com/lwip-users-f3.html
>
>_______________________________________________
>lwip-users mailing list
>address@hidden
>https://lists.nongnu.org/mailman/listinfo/lwip-users