[c-nsp] IPv6 domain reply Cisco 6509 IPv4 address

[Chris Evans]

Google is one of the few who enabled  AAAA entries for their main website
pages on the v6 go live day a few months back...

That is why it's doing it.  There are some other sites that will be
affected too for you.

Hth.
On Aug 17, 2012 8:19 AM, "Chris Lane" <clane1875 at gmail.com> wrote:

> to follow up, once i added v6 to the router and advertised to my SP,
> pinging google.com resolved, but Only via IPv6.
> odd this Particular router only listen and responds to google via v6.. Did
> they change something?
>
> no other site does this that i can see.
>
> On Thu, Aug 16, 2012 at 3:12 PM, Charles Sprickman <spork at bway.net> wrote:
>
> > On Aug 16, 2012, at 9:41 AM, Chris Lane wrote:
> >
> > > We do not run IPv6 currently from this site, ipv6 is not enabled on
> box.
> > > when i ping google.com i get the following response.
> > > ping google.com
> > > Translating "google.com"...domain server (64.17.248.2) [OK]
> > >
> > > Type escape sequence to abort.
> > > Sending 5, 100-byte ICMP Echos to 2001:4860:4001:800::100E, timeout is
> 2
> > > seconds:
> > >
> > > % No valid source address for destination
> > >
> > > Rev is:
> > > s72033-advipservicesk9_wan-mz.122-33.SXH7.bin
> > > and also for further IPV6 analysis:
> > > sh ipv6 int
> > > LI-Null0 is up, line protocol is up
> > >  IPv6 is enabled, link-local address is FE80::218:74FF:FE16:D180
> > >  No global unicast address is configured
> > >  Joined group address(es):
> > >  MTU is 1500 bytes
> > >  ICMP error messages limited to one every 100 milliseconds
> > >  ICMP redirects are enabled
> > >  ND DAD is not supported
> > >  ND reachable time is 30000 milliseconds
> > >
> > > Ran this by a friend yesterday who also found this strange behavior and
> > at
> > > quick glance couldn't find any bugs related to rev.
> > >
> > >
> > > Just wondering if anyone else sees this behavior?
> >
> > I saw it after enabling a non-routable IPv6 address on a vlan
> subinterface
> > to do some testing...
> >
> > 12.4(24)T6.
> >
> > Charles
> >
> > > Thanks
> > >
> > > --
> > > //CL
> > > _______________________________________________
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> > > https://puck.nether.net/mailman/listinfo/cisco-nsp
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> >
> >
>
>
> --
> //CL
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