Tag: BGP over Gre

Site to Site IPsec VPN

Topology Summary: To implement Flex VPN or IPSEC VPN the topology shown above. The motive is to make the reachability between LAN to LAN network i.e from 20.20.20.0 to 30.30.30.0 & vice versa. Currently we have configure simple connectivity in which R1 and R2 is reachable to each other via internet cloud. The basic requirement

BGP Over GRE

Topology Objective: To implement BGP over GRE , the topology shown above. In topology R1 & R3 running BGP 100 whereas R2 running only IGP.R1-R4 & R3-R5 running ebgp and advertising prefix 4.4.4.4 and 5.5.5.5 respectively. R1-R2-R3 running ospf under area 0. Bgp over GRE can be configured in scenario where end to end BGP