Re: [lwip-users] how to detect cable down in this case

[Bill Auerbach]

I think he means if you are connected to a switch and the connection to
another device on the switch is removed.  In this case there is no loss of
link since the switch maintains that but there is a loss of connection.

>-----Original Message-----
>From: address@hidden
>[mailto:address@hidden On
>Behalf Of Krzysztof Wesolowski
>Sent: Tuesday, August 21, 2012 3:59 PM
>To: Mailing list for lwIP users
>Subject: Re: [lwip-users] how to detect cable down in this case
>
>Lwip is "just" network a stack, it does not interact with physical
>medium directly.
>
>In ethernet application usually (always?)  PHY i responsible for link
>up/down,
>negotiation, mode configuration etc.
>
>So your driver must detectrelated events and/or check state, and
>report it to LwIP.
>
>Regards,
>Krzysztof Wesołowski,
>
>
>On Tue, Aug 21, 2012 at 9:42 PM, vincent cui <address@hidden>
>wrote:
>> Hi:
>>
>> When internet cable is plugged into board, but another side is plugged
>out
>> Slotn how lwip know that the cable is down?
>>
>> Vincent
>>
>> _______________________________________________
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