From: Tarun Pahuja (pahujat@gmail.com)
Date: Wed Nov 07 2007 - 18:04:13 ART
Shiran,
In your configuration the first quartet of IP Nat Prefix
(2000::/96) must match the first quartet of ipv6 address in "ipv6 nat v4v6"
statement. You have it 2001:CC1E:5::5, Change it to 2000:CC1E:5::5. Also,
Please remove the acl after ipv6 Nat Prefix.
You should be fine.
HTH,
Tarun
On 11/2/07, shiran guez <shiranp3@gmail.com> wrote:
>
> what dose it mean destination
> address = 2000::192.168.1.1 how can you ping 2000::192.168.1.1
>
>
> R4#ping 2000::10.1.45.5
> % Unrecognized host or address, or protocol not running.
>
> interface Ethernet0/1
> no ip address
> half-duplex
> ipv6 address 2001:CC1E:146:146::4/64
> ipv6 nat
> ipv6 rip RIPng enable
> ipv6 rip RIPng default-information originate
> !
> !
> interface Serial1/1
> ip address 10.1.45.4 255.255.255.0
> ipv6 nat
> !
> !
> ipv6 nat v4v6 source 10.1.45.5 2001:CC1E:5::5
> ipv6 nat v6v4 source route-map PT-SOURCE pool v4pool
> ipv6 nat v6v4 pool v4pool 10.1.45.10 10.1.45.50 prefix-length 24
> ipv6 nat prefix 2000::/96 v4-mapped v4map_acl
> !
> !
> ipv6 prefix-list PT-LIST seq 5 permit 2001:CC1E:146:146::/64
> ipv6 prefix-list PT-LIST seq 10 permit 2001:150:1:6::/64
> route-map PT-SOURCE permit 10
> match ipv6 address prefix-list PT-LIST
> !
>
> R4 is connected via Serial to R5, R5 is pure v4 and R4 is the NAT-PT
>
> behind R4 there are R1 and R6 over a Ethernet R6 is Pure v6 and R1 is dual
> mode but with no NAT-PT or any other connection between the protocols.
>
> I want to be able to Ping from R6 to the v4 domain and from the v4 Domain
> to
> ping to v6 Domain Dynamically.
>
> In my configuration I went according to the Documentation and I do not
> understand practically how the Dynamic works.
>
>
>
>
>
> On 11/2/07, Phillip.McCollum@ins.com <Phillip.McCollum@ins.com> wrote:
> >
> > Shiran,
> >
> > I was pretty confused when working with this as well. Read over this
> > line and see if it helps to sink in. Taken from
> > http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/
> > ipv6_c/sa_natpt.htm#wp1079515:
> >
> > ==========
> > Enabling Traffic to be Sent from an IPv6 Network to an IPv4 Network
> > without Using IPv6 Dastination Address Mapping: Example
> >
> > In the following example, the access list permits any IPv6 source
> > address with the prefix 2001::/96 to go to the destination with a
> > 2000::/96 prefix. The destination is then translated to the last 32 bit
> > of its IPv6 address; for example: source address = 2001::1, destination
> > address = 2000::192.168.1.1. The destination then becomes 192.168.1.1 in
> > the IPv4 network:
> >
> > ipv6 nat prefix 2000::/96 v4-mapped v4map_acl
> >
> > ipv6 access-list v4map_acl
> > permit ipv6 2001::/96 2000::/96
> >
> > ==========
> >
> > Phillip
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > shiran guez
> > Sent: Thursday, November 01, 2007 1:00 PM
> > To: Cisco certification
> > Subject: IPV6 NAT-PT
> >
> > I am going out of my mind to figure out this, it seam like this
> > technology
> > do not want to go trough my head.
> > I already went trough the RFC and the Cisco DOC from univercd, but it is
> > not
> > sinking in.
> >
> >
> > I understand how the Static 1 to 1 work, but the Dynamic I do not see
> > how
> > can you set a range of address on one protocol and on the other protocol
> > without linking them one to one
> >
> > for say I have IPv6 Network on one side and IPV4 on the other side and
> > NAT-PT between them, if i set a pool of IPv4 and a Prefix of /96 for the
> > IPv6 what address should I ping from the IPv6 to the IPv4 to reach a
> > specific node if it is not mapped how can he know where to go?
> >
> > if some one have a better explanation and a working sample config I
> > would
> > much appreciate it as I am pooling hare as we speak.
> >
> >
> > --
> > Shiran Guez
> > MCSE CCNP NCE1
> > http://cciep3.blogspot.com
> > http://www.linkedin.com/in/cciep3
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
>
>
>
> --
> Shiran Guez
> MCSE CCNP NCE1
> http://cciep3.blogspot.com
> http://www.linkedin.com/in/cciep3
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
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