RE: ipv6 autoconfig

Back to Basics. http://www.youtube.com/watch?v=ragdDUeQ3rk

If it doesn't work, L1 - L2 - L3. Work backwards.

Now back to reading. :)

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
dia.aliou_at_gmail.com
Sent: Wednesday, February 23, 2011 9:57 AM
To: Daniel Dib
Cc: Cisco certification
Subject: Re: ipv6 autoconfig

Hi Daniel,

Thank you.

I forgot to enable ipv6 on one of the routers.

BR,

Aliou

On 23 February 2011 17:44, Daniel Dib <daniel.dib_at_reaper.nu> wrote:

> On, feb 23, 2011 at 18:11:10, dia.aliou_at_gmail.com wrote:
> > Subject: ipv6 autoconfig
> >
> > Hi Experts,
> >
> > I am trying to lab INE vol1 ipv6 - 9.5 (IPv6 Auto-Configuration),
> > but it didn't work. I said perhaps I have a Vlan connectivity issues.
> > Then I tried to test it on the direct link between R1 and R3. It
> > didn't work as well.
> >
> > R1:
> > interface Serial0/1
> > ipv6 address 2001:1:0:13::1/64
> > ipv6 nd prefix 2001:1:0:13::/64 14400 14400 no ipv6 nd ra suppress
> > ipv6 nd ra interval 40
> > ipv6 nd ra lifetime 60
> >
> >
> > R3:
> > R3(config-if)#int s1/2
> > R3(config-if)#ipv6 address autoconfig default
> >
> >
> > On R3, debug ipv6 nd shows:
> > *Mar 1 03:16:58.923: ICMPv6-ND: Sending NS for
> > FE80::C005:10FF:FE12:0 on
> > Serial1/2
> > *Mar 1 03:16:59.923: ICMPv6-ND: DAD: FE80::C005:10FF:FE12:0 is unique.
> > *Mar 1 03:16:59.927: ICMPv6-ND: Sending NA for
> > FE80::C005:10FF:FE12:0 on
> > Serial1/2
> > *Mar 1 03:16:59.927: ICMPv6-ND: Linklocal FE80::C005:10FF:FE12:0 on
> > Serial1/2, Up *Mar 1 03:16:59.931: ICMPv6-ND: Address
> > FE80::C005:10FF:FE12:0/10 is up on
> > Serial1/2
> >
> > On R1, debug ipv6 nd shows:
> > *Mar 1 03:17:44.875: ICMPv6-ND: Received NA for
> > FE80::C005:10FF:FE12:0 on
> > Serial0/1 from FE80::C005:10FF:FE12:0
> >
> >
> > Is there anybody who tested it on dynamips?
> > Did I miss something?
> >
> > BR,
> >
> > Aliou
> >
> >
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> >
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> >
> >
> >
> >
> >
> >
>
>
> Hi,
>
> I have successfully run this lab in Dynamips. Are you 100% sure that
> you enabled ipv6 unicast-routing? Debug ipv6 nd should show that a RA
> is being sent.
>
> /Daniel

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Received on Wed Feb 23 2011 - 11:50:11 ART