[163288] in North American Network Operators' Group
Re: GMail IPv6 IMAP Issue, or is it Just Me?
daemon@ATHENA.MIT.EDU (Jason Hellenthal)
Sat Jun 1 16:00:50 2013
In-Reply-To: <CALQaxxh+Juawzzct2acC-CJe=8So_PpsH_uqQPUje=6Oys6Tbg@mail.gmail.com>
From: Jason Hellenthal <jhellenthal@dataix.net>
Date: Sat, 1 Jun 2013 16:00:09 -0400
To: "Stevens, Brant I." <branto@argentiumsolutions.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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IDK,
But I get NXDOMAIN upon lookup of imap. But have all my clients using mail.g=
oogle.com for imaps.
I get ipv6 on 2607:f8b0:4009:802::1015
--=20
Jason Hellenthal
Inbox: jhellenthal@DataIX.net
Voice: +1 (616) 953-0176
JJH48-ARIN
On Jun 1, 2013, at 13:53, "Stevens, Brant I." <branto@argentiumsolutions.com=
> wrote:
> Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it jus=
t
> me?
>=20
> Here's some of what I'm seeing:
>=20
> It responds to ping...
>=20
> imac01:~ branto$ ping6 imap.gmail.com
> PING6(56=3D40+8+8 bytes) 2001:470:8d30:b00c::bb0e --> 2607:f8b0:400d:c00::=
6c
> 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3D0 hlim=3D55 time=3D31.299=
ms
> 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3D1 hlim=3D55 time=3D41.528=
ms
> 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3D2 hlim=3D55 time=3D30.092=
ms
> 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3D3 hlim=3D55 time=3D35.450=
ms
> ^C
> --- gmail-imap.l.google.com ping6 statistics ---
> 4 packets transmitted, 4 packets received, 0.0% packet loss
> round-trip min/avg/max/std-dev =3D 30.092/34.592/41.528/4.470 ms
>=20
>=20
> TCP Sessions on v6 seem to time-out:
>=20
> imac01:~ branto$ telnet -6 imap.gmail.com 993
> Trying 2607:f8b0:400d:c01::6c...
> telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out
> telnet: Unable to connect to remote host
>=20
> IPv4 Connects:
>=20
> imac01:~ branto$ telnet -4 imap.gmail.com 993
> Trying 173.194.76.108...
> Connected to gmail-imap.l.google.com.
> Escape character is '^]'.
>=20
> ^]
> telnet> close
> Connection closed.
>=20
> and other connectivity via IPv6 works:
>=20
> imac01:~ branto$ telnet -6 www.google.com 80
> Trying 2607:f8b0:400c:c04::68...
> Connected to www.google.com.
> Escape character is '^]'.
>=20
> GET /
> HTTP/1.0 200 OK
> Date: Sat, 01 Jun 2013 17:08:58 GMT
>=20
> <snip>
>=20
> Connection closed by foreign host.
>=20
> I've tried flushing my dnscache to make sure I'm not holding on to
> something that's not valid, but no dice.
>=20
> -Brant
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