Exactly Piotr, that's what I even observed with wireshark capture. The ESP
packet is being authenticated by AH The AH header has next header value of
ESP.

With regards
Kings

On Sat, Jun 11, 2011 at 10:27 PM, Piotr Matusiak <[email protected]> wrote:

> Hi Kings,
>
> According to my limited knowledge, if both AH and ESP are configured in
> IPSec transform set, the result IPSec packet will be IP protocol 51 as the
> AH will encapsulate ESP. You do not need to configure ESP in the ACL in this
> case.
> In addition to that both protocols use separate SPI number, so there are
> two Inbound SA and two Outbound SA created (although there is on packet on
> the wire).
>
>
> Regards,
> Piotr
>
>
>
> 2011/6/11 Kingsley Charles <[email protected]>
>
>> I think, the following is the order for this combination:
>>
>> ESP Encryption + ESP Authentication  ---- >  ESP authenticates ESP
>> encrypted data
>>
>>
>> With regards
>> Kings
>>
>>
>> On Sat, Jun 11, 2011 at 7:15 PM, Vybhav Ramachandran 
>> <[email protected]>wrote:
>>
>>> Thanks a lot for all the information Kingsley! :)
>>>
>>> Cheers,
>>> TacACK
>>>
>>
>>
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>
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