February 2018
Beginner
290 pages
7h 28m
English
Static routes are used mostly in VPNs, with IGPs, such as OSPF, EIGRP, and so on run between the peers. With the advent of MPLS and the increase in adoption of VRF, where companies peer directly with the service provider, BGP became the most favored protocol.
In order to elucidate this a little further, take a look at the following diagram which shows how the connectivity between two of the sites are using the ISP:

Now, in the case of using an encrypted tunnel (using IPSec) or an non-encrypted overlay (using GRE), the routing table is shared between the two customer routers - either by using static routing or a routing protocol ...
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