[j-nsp] IPSec + GRE on same box, config example

[telecom at servidor.unam.mx]

 Hi everybody, I've done both tests separately with an AS PIC and so far 
the results have been great. Recently, i've been asked if it's possible to 
transport multicast over GRE over IPSec on an AS PIC. So before i jumped 
into the lab, I'd like to know if this is even supported today. Juniper is 
great at documenting their supported features and since I havent seen 
anything on their documentation, i'm wondering if anybody has tried this 
before. Thanks

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