
GRE + IPSec tunnel between Cisco IOS and Huawei NE40
In this post we will discuss a very common (and little documented) scenario, which is to use a GRE tunnel secured with IPSec between a Cisco IOS ASR1002 router and a Huawei NE40 router. The topology for this example is described below. It has been kept simple so that we can discuss the details of […]