[c-nsp] GRE/NAT ?

Rodney Dunn rodunn at cisco.com
Fri Jul 31 12:46:53 EDT 2009


That yes. I took his question as nat'ing post encapsulated inner packets 
due to his "inside" reference:

 >>> Can you NAT traffic inside GRE?



Luan Nguyen wrote:
> So you are talking about NAT after GRE?  You certainly could NAT and then
> GRE-encapsulated the NATTED traffic?
> 
> Regards,
> 
> --------------------------------
> Luan Nguyen
> Chesapeake NetCraftsmen, LLC.
> http://www.netcraftsmen.net
> --------------------------------
> 
> 
> -----Original Message-----
> From: Rodney Dunn [mailto:rodunn at cisco.com] 
> Sent: Friday, July 31, 2009 12:09 PM
> To: Luan Nguyen
> Cc: 'cisco-nsp'
> Subject: Re: [c-nsp] GRE/NAT ?
> 
> There is no code that does translation of the inner ip frame that I'm 
> aware of.
> 
> Rodney
> 
> 
> 
> Luan Nguyen wrote:
>> No? 
>> I remember doing overlapping RFC1918 sites for GRE/IPSEC VPN.
>>
>> Regards,
>>
>> ------------------------------------
>> Luan Nguyen
>> Chesapeake NetCraftsmen, LLC.
>> http://www.netcraftsmen.net
>> -----------------------------------
>>
>>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net
>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Rodney Dunn
>> Sent: Friday, July 31, 2009 11:40 AM
>> To: Jeff Kell
>> Cc: cisco-nsp
>> Subject: Re: [c-nsp] GRE/NAT ?
>>
>> No.
>>
>>
>>
>> Jeff Kell wrote:
>>> The GRE question reminded me of a nagging thought...
>>>
>>> Can you NAT traffic inside GRE? 
>>>
>>> Jeff
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