Re: ipv6 question

[imNet Administrator <admin+nanog () msk4 com>]

On 3/9/2011 8:41 AM, ann kok wrote:
> Hi
>
> I read ipv6forum.pdf about ipv6
>
> It said 
>
> MTU must be at least 1280 bytes (1500+)
> Does it mean to set the mtu over 1500

No, it simply means that the minimum MTU for IPv6 is 1280.

> I set my linux box eth0 as 2001:db8:cafe:1111::12/64 but I can't ping it
> inet6 2001:db8:cafe:1111::12/64 scope global tentative 
>
> ls it this problem? Thank you

Where are you pinging it from? also, the 2001:db8::/32 prefix is used
for "documentation purposes" and might be handled differently by the
TCP/IP stack.

> # ping6 2001:db8:cafe:1111::12
> PING 2001:db8:cafe:1111::12(2001:db8:cafe:1111::12) 56
>       
>
> data bytes
>     
>
> > From ::1 icmp_seq=1 Destination unreachable:
>       
>
> Address unreachable
>     
>
> > From ::1 icmp_seq=2 Destination unreachable:
>       
>
> Address unreachable
>

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