Re: [lwip-users] Ping Error

[Philippe VENAULT]

Kieran Mansley <address@hidden> writes:

> 
> 
> On 13 Jan 2012, at 08:56, Philippe VENAULT wrote:
> 
> > Would you have an idea where it is getting this other IP from ?!
> 
> What is the other IP address?  Could it be an auto-IP one?
> 
> Kieran
> 

I have a local network with a PC, my equipment and a switch.
IP Addr switch : 192.168.0.1
IP Addr PC : 192.168.0.2
IP Addr Equipment : 192.168.0.3

Ping from PC to equipment

first request : ARP => the PC searchs who is 192.168.0.3 ?
Reply : ARP => Equipment replys 192.168.0.3 is at 00:0a:35...(MAC ADDR)

Second request ICMP => Echo (Ping) Request from 192.168.0.2 to 192.168.0.3
reply : ICMP => Echo (Ping) Reply from 128.232.0.3 to 192.168.0.2

Why IP Addr has changed, ? I don't know....

Philippe