Jonathan Larmour wrote:
>
> Ashish: I suggest starting with just ICMP pings to start off with. If
> pings
> work ok, then the problem is probably not in the PPP layer or below, as
> the
> IP transport is working correctly.
>
> If the problem is in the PPP layer, you can try enabling PPP debugging.
> You
> need to enable CYGDBG_LWIP_DEBUG in your configuration, but also look at
> the debugging options at the end of include/lwipopts.h in the lwIP
> package.
> You may want to turn off debugging for those components you do not wish to
> debug.
>
>
I turned on debugging. This is what I get when I try to telnet to the board
(192.168.1.4) from 192.168.1.3...... (0x401a8c0 is 192.168.1.4, the board):
ip_input: iphdr->dest 0xfb0000e0 netif->ip_addr 0x401a8c0 (0xe0, 0x1a8c0,
0xfb00000)ip_input: iphdr->dest 0xfb0000e0 netif->ip_addr 0x100007f (0xe0,
0x7f, 0xfb000000)
ip_input: packet not for us.
ip_forward: not bouncing packets back on incoming interface.
So basically, the data link layer (PPP) is up. But I am not able to do much
at the network layer (IP/ICMP).
--
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