[c-nsp] IPv6 Transition - IP/MPLS Backbone

Ahmed Hilmy hilmy.aa at gmail.com
Tue Apr 16 14:47:16 EDT 2013


Hello Aaron,

That is great and so happy to hear that, is it real deployment at your live
network ?
MP-BGP between PE- Route Reflector, shall i modify it to allow IPv6 packet
to carry ? or only at PE to work as dual stack ?




On Tue, Apr 16, 2013 at 12:19 AM, Aaron <aaron1 at gvtc.com> wrote:

>
> Sounds like a good use for 6VPE...as I understand it, I've had to do the
> following in my network to get 6vpe working...
>
> - enable local vrf ipv6 data structure which may include you upgrading the
> vrf cli to the vrf definition to support ipv6
> - enable/activate vpnv6 neighbors within the MP-iBGP core...PE bgp
> neighbors
> or PE to Route Refelctor(s)
> - enable the ipv6 vrf within bgp
> - enable the pe-ce routing to be ipv6 capable
> - enable the ipv6 protocol stack in the interfaces facing CE
>
> ...i had to do nothing ipv6-related to my mpls/igp core routing
> environment.
> Nothing.  I think that's nice thing about 6vpe is that providers don't have
> to do anything to the core in order to enable ipv6 over pre-existing ipv4
> (vpvn4) mpls l3vpn's...
>
> When you are done, a traceroute from a client transiting the 6vpe mpls
> l3vpn
> will look like this... notice hops 2 and 3....i think they are ipv6
> compatible ipv6 addresses (but unsure about what they are called)...anyway,
> it shows the loopback router id of the mpls transit hop via the 6vpe (the
> mpls l3vpn that is ipv6 enabled)
>
> C:\>tracert -d www.cisco.com
>
> Tracing route to e144.dscb.akamaiedge.net [2600:1404:8:1:9200::90]
> over a maximum of 30 hops:
>
>   1    <1 ms    <1 ms    <1 ms  1234:5678:1111::1
>   2     1 ms     1 ms    <1 ms  ::ffff:12.34.0.3
>   3     1 ms     1 ms    <1 ms  ::ffff:123.123108.3
>   4     1 ms    <1 ms    <1 ms  2468:1234:0:8::f:8001
>   5    <1 ms    <1 ms    <1 ms  2468:1234:0:8::f:8000
>   6    11 ms     7 ms     7 ms  2468:1234:0:4::f:bb56
>   7     9 ms     7 ms     7 ms  2468:1234:0:4::3:0
>   8    15 ms    15 ms    15 ms  2468:1234:0:4::22
>   9    10 ms    15 ms    15 ms  1369:2468:0:8::e
>  10     8 ms     8 ms     8 ms  1369:2468:0:4::83
>  11     9 ms     8 ms     8 ms  2610:18:10e::45
>  12    77 ms     *      104 ms  2610:18:17:3000::2e
>  13    32 ms    32 ms    32 ms  2400:8800:7f04:6::2
>  14    32 ms    32 ms    32 ms  2600:1404:8:1:9200::90
>
> Trace complete.
>
> C:\>
>
>
> Aaron
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Ahmed Hilmy
> Sent: Monday, April 15, 2013 2:28 PM
> To: Harold 'Buz' Dale
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] IPv6 Transition - IP/MPLS Backbone
>
> I have IPv4/ MPLS Backbone, i want to deploy IPv6 by using exist Backbone.
> Yes, dual stack at PE only which it is facing to CE, but PE will face my
> core as IPv4.
> Please let me know if it is not clear yet ?
>
> Regards,
> Ahmed
>
>
> On Mon, Apr 15, 2013 at 8:00 PM, Harold 'Buz' Dale <buz.dale at usg.edu>
> wrote:
>
> > Are you planning on providing native v6 via dual stack at the edges
> > and then using 6PE to traverse your core? Maybe I am a little slow but
> > it isn't clear to me exactly what you are trying to do.
> > Thanks,
> > Buz
> >
> > -----Original Message-----
> > From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf
> > Of Ahmed Hilmy
> > Sent: Sunday, April 14, 2013 15:56
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] IPv6 Transition - IP/MPLS Backbone
> >
> > Hello Expert,
> >
> > We are planning to deploy IPv6 at our IPv4 Backbone, our PE to as Dual
> > Stack and carry IPv6 packet through MPLS label.
> > There are different scenarios, one of them is 6PE.
> > Would you please guide me from where can i start ?
> >
> > Thanks,
> >
> > Ahmed
> > _______________________________________________
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> >
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