Re: [lwip-devel] ipv6 processing - ICMPv6 Echo

[Ivan Delamer]

Enrico,

Can you post this as a big in Savannah, so that it doesn't get forgotten.

Cheers
Ivan


On Sat, April 28, 2012 15:18, Enrico Lehmann wrote:
>
> -------- Original-Nachricht --------
>> Datum: Fri, 27 Apr 2012 10:39:29 -0600 (MDT)
>> Von: "Ivan Delamer" <address@hidden>
>> An: address@hidden, "Enrico Lehmann" <address@hidden>
>> Betreff: Re: ipv6 processing - ICMPv6 Echo
>
>> > The third question is about the Echo Request/Response processing in
>> > icmp6_input(). If an Echo Request is detected, the IPv6 source address
>> of
>> > the Echo Response message is determined by calling
>> > ip6_select_source_address(). Shouldn't this IPv6 source address not
>> the
>> > same as the IPv6 destination address of the Echo Request message? A
>> quote
>> > from RFC 4443 [chapter 4.2]:
>> >
>> > "The source address of an Echo Reply sent in response to a unicast
>> Echo
>> > Request message MUST be the same as the destination address of that
>> Echo
>> > Request message."
>> >
>> > As I understand this would omit the ip6_select_source_address() and
>> > simplifies it to just use the ip6_current_dest_addr() address
>> (previous
>> > make sure this is not a multicast address).
>> >
>>
>> This is a good suggestion and I will revise the code, hopefully push a
>> fix
>> today.
>
> I am glad if I could give a clue :-).
>
>>
>> Cheers
>> Ivan
>>
>
> Ciao,
> Enrico
>>
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