IPv6 TCP

Pamela Rock prock111 at yahoo.com
Tue Dec 29 02:02:29 UTC 2009



--- On Mon, 12/28/09, Mark Andrews <marka at isc.org> wrote:

> From: Mark Andrews <marka at isc.org>
> Subject: Re: IPv6 TCP
> To: "Pamela Rock" <prock111 at yahoo.com>
> Cc: "Kevin Oberman" <oberman at es.net>, "Chuck Anderson" <cra at WPI.EDU>, bind-users at lists.isc.org
> Date: Monday, December 28, 2009, 8:22 PM
> 
> In message <475084.65186.qm at web110304.mail.gq1.yahoo.com>,
> Pamela Rock writes:
> > This query is to anyone in general, based on the
> previous dig statement, do=
> > es the following command make sense??
> > 
> > dig -6 www.es.net @some:ipv6:address +tcp
> > 
> > I'm wondering if the combination of -6,
> @some:ipv6:address, and +tcp even m=
> > ake sense.  That is ultimately what I'm trying to
> achieve.
> 
> Yes, it make sense.  The following will retrieve the
> SOA record
> from ns-ext.isc.org using its IPv6 address over tcp. 
> If you put a
> literal IPv6 address rather than a name then the -6 is not
> needed.

That's it!!  So you are saying if I can use either -6 or MY:IPv6:Address, but I don't have to use both?  Is that accurate?  If so, that resolves the issue.


> 
> % dig -6 dv.isc.org soa @ns-ext.isc.org +tcp
> 
> ; <<>> DiG 9.3.6-P1 <<>> -6
> dv.isc.org soa @ns-ext.isc.org +tcp
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR,
> id: 1588
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2,
> ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;dv.isc.org.       
>     IN    SOA
> 
> ;; ANSWER SECTION:
> dv.isc.org.       
> 3600    IN   
> SOA    bsdi.dv.isc.org. marka.isc.org.
> 2007103117 86400 21600 2419200 86400
> 
> ;; AUTHORITY SECTION:
> dv.isc.org.       
> 86400    IN   
> NS    ns-int.isc.org.
> dv.isc.org.       
> 86400    IN   
> NS    ns-ext.isc.org.
> 
> ;; Query time: 218 msec
> ;; SERVER: 2001:4f8:0:2::13#53(2001:4f8:0:2::13)
> ;; WHEN: Tue Dec 29 12:15:00 2009
> ;; MSG SIZE  rcvd: 117
> 
> %
> 
> I suspect your error has more to do with the value of the
> IPv6
> address and sanity checks in the Linux kernel than with
> anything
> else.  Use a allocated address or generate a ULA
> prefix for testing
> and use that.
> 
> Mark
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742         
>        INTERNET: marka at isc.org
> 


      



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