[138529] in North American Network Operators' Group
Re: ipv6 question
daemon@ATHENA.MIT.EDU (imNet Administrator)
Wed Mar 9 10:01:45 2011
Date: Wed, 09 Mar 2011 09:01:35 -0600
From: imNet Administrator <admin+nanog@msk4.com>
To: nanog@nanog.org
In-Reply-To: <320484.18776.qm@web111304.mail.gq1.yahoo.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On 3/9/2011 8:41 AM, ann kok wrote:
> Hi
>=20
> I read ipv6forum.pdf about ipv6
>=20
> It said=20
>=20
> 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.
>=20
> I set my linux box eth0 as 2001:db8:cafe:1111::12/64 but I can't ping i=
t
> inet6 2001:db8:cafe:1111::12/64 scope global tentative=20
>=20
> 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.
>=20
>=20
> # ping6 2001:db8:cafe:1111::12
> PING 2001:db8:cafe:1111::12(2001:db8:cafe:1111::12) 56
> =20
>=20
> data bytes
> =20
>=20
>>From ::1 icmp_seq=3D1 Destination unreachable:
> =20
>=20
> Address unreachable
> =20
>=20
>>From ::1 icmp_seq=3D2 Destination unreachable:
> =20
>=20
> Address unreachable
> =20
>=20
>=20
>=20
>=20
>=20
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