[c-nsp] Fwd: NAT in VRF

Jan van den Berg jan.vandenberg at isp.solcon.nl
Tue Oct 14 09:37:14 EDT 2008


This touches a problem I am currently working on. 
I need to access services in one VPN from multiple other VPNs.

I read in the ftnatvpn doc this:
"Inside VPN to VPN with NAT is not supported."

Since it is necessary that different VPNs can access the services from one
VPN; using NAT will be probably be required.

So does anyone have any pointers on how to go about this?

Cheers,

Jan

-----Oorspronkelijk bericht-----
Van: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] Namens Derick Winkworth
Verzonden: vrijdag 10 oktober 2008 14:09
Aan: cisco-nsp at puck.nether.net >> Cisco NSP
Onderwerp: Re: [c-nsp] Fwd: NAT in VRF

http://www.cisco.com/en/US/docs/ios/12_3t/12_3t14/feature/guide/gtnatvi.html
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t13/feature/guide/ftnatvpn.htm
l

Here are two different ways to do what you are asking for, I hope!



Gary Roberton wrote:
> Thanks Luan
>
> Can anyone else confirm this also?
>
> Thanks
>
> On Thu, Oct 9, 2008 at 2:04 PM, Luan Nguyen <luan at netcraftsmen.net> wrote:
>
>   
>> Yes you can.  I used to do that with 2 VRF-Lites on 2 DMVPN tunnels.
>> Platform doesn't make any different.
>>
>>
>> Luan Nguyen
>> Chesapeake NetCraftsmen, LLC.
>> www.NetCraftsmen.net
>>
>>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net
>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Gary Roberton
>> Sent: Thursday, October 09, 2008 7:28 AM
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] Fwd: NAT in VRF
>>
>> ---------- Forwarded message ----------
>> From: Gary Roberton <gary.ciscomail at gmail.com>
>> Date: Wed, Oct 8, 2008 at 10:13 AM
>> Subject: NAT in VRF
>> To: "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net>
>>
>>
>> Can someone please confirm for me that you can have the same IP address
in
>> different VRFs natted to different destinations.  In other words;
>>
>> 217.1.1.1 nat to 10.1.1.1 in VRF A
>> 217.1.1.1 nat to 192.168.1.1 in VRF B
>>
>> I can't see any reason why not.
>>
>> What about if using VRF-Lite on a 3845, does that make any difference?
>>
>> Its a funny question but I have been asked this and have no access to the
>> kit to prove it working and I have to have a solid answer.
>>
>> Thanks.
>>
>> Gary
>> _______________________________________________
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>>
>>
>>     
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