Figure $1$ shows the network topology of enterprise network connected with three type of routing protocol are EIGRP, OSP and BGP route. HQ router is connected to ISP to access all resources worldwide and the connection is multi$-$homed ISP for redundancy. The Exterior Gateway Protocol $($EGP$)$ is used to exchange routing information within the same autonomous system $($AS$).$

CONFIGURATION REQUIREMENT

$1.$ Configure basic configuration based on the topology. For interface connection you can connect available serial and Ethernet interface connection between routers as in the topology.

DO ME THE CONFIGURATION FOR ALL ROUTERS