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IPSec Vs GRE

jucpci001
Level 1
Level 1

Hi, What is the difference b/w IPsec tunnel & GRE tunnel ?

Regards, Jr.J

1 Reply 1

Marcin Latosiewicz
Cisco Employee
Cisco Employee

IPsec provides encryption and authentication services within the encapsulation, for IP. 

GRE provides a versatile transport service.

You can combine the two :-)

You can check images on google for GRE and IPsec header. 

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