christophe preguica wrote:
> What should be the behavior of a router when it receives an IPv6 packet
> with Hop Limit = 0 ? 

If it's destined to the router itself, accept it.
Otherwise, drop it, and send the ICMPv6 error if the packet wasn't
multicast.

> Does IPv6 have the same behavior as for IPv4 TTL ?

Yes it should be the same.

> (Extract from RFC 2463 -- ICMPv6)
> 
> 3.3 Time Exceeded Message
>
> If a router receives a packet with a Hop Limit of zero, 

I think the above phrase is incorrect, since it contradicts 2460 as
you pointed out.

>                                                         or a router
>�decrements a packet's Hop Limit to zero, it MUST discard the packet
>�and send an ICMPv6 Time Exceeded message with Code 0 to the source of
>�the packet. �This indicates either a routing loop or too small an
>�initial Hop Limit value.

-Dave
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